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Tools and hardware

Plastic materials for power tools, battery packs, chargers and hand tools

All materials · 7 grades

Parts of the cordless drill

Parts and materials of the cordless drill

Pain points and material advice

  • Drops and impact

    Pain point
    Tools are often dropped on sites, in workshops and in vans. A cracked housing can expose live parts, and a cracked battery pack is a safety risk.
    Advice
    Use glass-fiber-reinforced PA6 for housings, balancing stiffness and toughness. Use PC or PC/ABS for battery pack housings, and drop test at the actual height and temperature. Run low-temperature impact tests for tools used outdoors in winter.
    Candidates

  • Oil and chemical resistance

    Pain point
    Engine oil, grease, cleaners and gasoline often get on tools. Some plastics stress-crack or discolor.
    Advice
    Use PA first for housings in long-term contact with grease. Stress-crack test PC-type battery pack housings with the actual media, and revise the design to reduce internal stress where needed.
    Candidates

  • Heat and flame retardancy

    Pain point
    High-power motors, battery packs and chargers generate heat. Areas around switches and live parts need heat resistance and flame retardancy.
    Advice
    For switch housings and parts supporting live parts, use high-CTI flame-retardant reinforced materials and run glow-wire and ball pressure tests as the standard requires. Use halogen-free flame-retardant PC or PC/ABS for charger housings.
    Candidates

  • Grip and overmolding

    Pain point
    Handles must be non-slip, damp vibration and feel good. An overmold that comes loose affects use and appearance.
    Advice
    Choose the rigid core and the overmolding compound together. First confirm that the two materials bond, then test bond strength, oil resistance and wear resistance.
    Candidates

  • Brand color and appearance

    Pain point
    Tool brands usually have fixed brand colors. Parts from different batches and materials must match when assembled, and must not fade noticeably in the sun.
    Advice
    Color match at the compounding stage and control color difference against your color plaque. For outdoor tools, choose weather-resistant grades and test color difference after xenon-arc weathering.
    Candidates

Plastic parts for power tools (drills, impact drivers, grinders, saws, garden tools), tool battery packs and chargers, hand tools, measuring tools and toolboxes: housings, battery-pack cases, overmolded handles, switch parts, gears, charger housings, guards and measuring-tool housings.

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  1. 01 / 05Plastic gears · Plastic gears, clutch parts

    GRN-POM-G110

    General-purpose copolymer POM

    Low noise; self-lubricating; can be injection molded

    Tensile strength
    60–68 MPaISO 527-1/-2
    Heat deflection temperature
    90–105 °CISO 75-1/-2 · 1.80 MPa

    Typical values

    Material card

  2. 02 / 05Gearbox housing · Gearbox housing, motor bracket

    GRN-PA66-E510

    Halogen-free flame-retardant glass-fiber-reinforced PA66

    Carries motor torque and heat; needs dimensional accuracy

    Tensile strength
    140–170 MPaISO 527-1/-2 · dry
    Flammability rating
    V-0UL 94 · 1.5 mm; design target, subject to test report

    Typical values

    Material card

  3. 03 / 05Housing, overmoulded grip and clutch collar · Power-tool housing

    GRN-PA6-E310

    Glass-fiber-reinforced PA6 (GF30, non-flame-retardant)

    Balance of stiffness and toughness; resistance to oil and dirt; mounting accuracy for motor and gearbox

    Tensile strength
    160–190 MPaISO 527-1/-2 · dry
    Heat deflection temperature
    200–215 °CISO 75-1/-2 · 1.80 MPa

    Typical values

    Material card

  4. 04 / 05Trigger, direction lever and switch · Switch parts

    GRN-POM-G110

    General-purpose copolymer POM

    Repeated actuation; wear resistance; live parts inside switch housings

    Tensile strength
    60–68 MPaISO 527-1/-2
    Heat deflection temperature
    90–105 °CISO 75-1/-2 · 1.80 MPa

    Typical values

    Material card

  5. 05 / 05Battery-pack case · Tool battery-pack case

    GRN-PC-N510

    Halogen-free flame-retardant PC

    Dropped often; flame retardancy around the lithium battery; slide rails must be wear resistant

    Tensile strength
    60–68 MPaISO 527-1/-2
    Flammability rating
    V-0UL 94 · 1.5 mm; design target, subject to test report

    Typical values

    Material card

Materials in the cordless drill

Example grade / typical values — to be corrected by GREENPOLYMER Typical values. Refer to the actual TDS.

  • GRN-PA6-E310

    Glass-fiber-reinforced PA6 (GF30, non-flame-retardant)

    Tensile strengthISO 527-1/-2 · dry
    160–190 MPa
    Flexural modulusISO 178 · dry
    8.5–10 GPa
    Heat deflection temperatureISO 75-1/-2 · 1.80 MPa
    200–215 °C

    Used for

    Request a sampleGrade details
    MoreLess

    Features

    Balanced stiffness and toughness, oil and grease resistant

    Typical values

    Charpy notched impact strengthISO 179-1/1eA · 23 °C; dry
    10–15 kJ/m²
    DensityISO 1183
    1.34–1.38 g/cm³
    Flammability ratingUL 94 · 1.5 mm; design target, subject to test report
    HB

    Processing

    Drying
    80 °C, 4–6 h (desiccant dryer); moisture content 0.05–0.2 % recommended
    Melt temperature
    260–290 °C
    Mold temperature
    80–100 °C; upper end for a better surface

    Why this material

    • Balance of stiffness and toughness; resistance to oil and dirt; mounting accuracy for motor and gearbox

  • GRN-PA66-E510

    Halogen-free flame-retardant glass-fiber-reinforced PA66

    Tensile strengthISO 527-1/-2 · dry
    140–170 MPa
    Flammability ratingUL 94 · 1.5 mm; design target, subject to test report
    V-0
    Flexural modulusISO 178
    8–10 GPa

    Used for

    Request a sampleGrade details
    MoreLess

    Features

    Stiff, heat-resistant, creep-resistant

    Typical values

    Heat deflection temperatureISO 75-1/-2 · 1.80 MPa
    230–250 °C
    Charpy notched impact strengthISO 179-1/1eA · 23 °C; dry
    8–12 kJ/m²
    DensityISO 1183
    1.45–1.55 g/cm³

    Processing

    Drying
    80 °C, 4–6 h (desiccant dryer); moisture content 0.05–0.2 % recommended
    Melt temperature
    280–300 °C; do not exceed the TDS upper limit for flame-retardant grades
    Mold temperature
    80–110 °C

    Why this material

    • Carries motor torque and heat; needs dimensional accuracy

  • GRN-PC-N510

    Halogen-free flame-retardant PC

    Tensile strengthISO 527-1/-2
    60–68 MPa
    Flammability ratingUL 94 · 1.5 mm; design target, subject to test report
    V-0
    Charpy notched impact strengthISO 179-1/1eA · 23 °C
    20–50 kJ/m²

    Used for

    Request a sampleGrade details
    MoreLess

    Features

    Flame-retardant, impact-resistant, heat-resistant

    Typical values

    Heat deflection temperatureISO 75-1/-2 · 1.80 MPa
    115–128 °C
    DensityISO 1183
    1.20–1.24 g/cm³

    Processing

    Drying
    120 °C, 3–4 h; moisture content ≤ 0.02 % recommended
    Melt temperature
    280–310 °C; for flame-retardant grades keep within the TDS upper limit
    Mold temperature
    80–110 °C

    Why this material

    • Dropped often; flame retardancy around the lithium battery; slide rails must be wear resistant

  • GRN-PBT-E510

    Flame-retardant glass-fiber-reinforced PBT (high CTI)

    Tensile strengthISO 527-1/-2
    100–130 MPa
    Comparative tracking index (CTI)IEC 60112 · design target
    ≥ 600 V
    Flammability ratingUL 94 · 1.5 mm; design target, subject to test report
    V-0

    Used for

    Request a sampleGrade details
    MoreLess

    Features

    Flame-retardant, good electrical insulation

    Typical values

    Flexural modulusISO 178
    8–10 GPa
    Heat deflection temperatureISO 75-1/-2 · 1.80 MPa
    200–215 °C
    Charpy notched impact strengthISO 179-1/1eA · 23 °C
    6–10 kJ/m²
    DensityISO 1183
    1.55–1.70 g/cm³

    Processing

    Drying
    120 °C, 3–4 h (desiccant dryer); moisture content ≤ 0.02 %
    Melt temperature
    240–270 °C
    Mold temperature
    60–90 °C; upper end when surface and dimensional stability matter

    Why this material

    • Repeated actuation; wear resistance; live parts inside switch housings

  • GRN-POM-G110

    General-purpose copolymer POM

    Tensile strengthISO 527-1/-2
    60–68 MPa
    Flexural modulusISO 178
    2.4–2.9 GPa
    Heat deflection temperatureISO 75-1/-2 · 1.80 MPa
    90–105 °C

    Used for

    Request a sampleGrade details
    MoreLess

    Features

    Wear-resistant, fatigue-resistant, dimensionally accurate

    Typical values

    Charpy notched impact strengthISO 179-1/1eA · 23 °C
    5–8 kJ/m²
    DensityISO 1183
    1.39–1.42 g/cm³
    Flammability ratingUL 94 · 1.5 mm; design target, subject to test report
    HB

    Processing

    Drying
    Usually not needed; if damp, 80 °C, 2–3 h
    Melt temperature
    190–210 °C; do not exceed 230 °C
    Mold temperature
    60–90 °C; upper end for precision parts, for more stable dimensions

    Why this material

    • Switch parts, trigger, direction leverRepeated actuation; wear resistance; live parts inside switch housings
    • Plastic gears, clutch partsLow noise; self-lubricating; can be injection molded

  • GRN-PA6-E510

    Flame-retardant glass-fiber-reinforced PA6 (GFRPA)

    Tensile strengthISO 527-1/-2 · dry
    130–160 MPa
    Flammability ratingUL 94 · 1.5 mm; design target, subject to test report
    V-0
    Flexural modulusISO 178
    8–10 GPa

    Used for

    Request a sampleGrade details
    MoreLess

    Features

    Stiff, flame-retardant

    Typical values

    Heat deflection temperatureISO 75-1/-2 · 1.80 MPa
    190–205 °C
    Charpy notched impact strengthISO 179-1/1eA · 23 °C; dry
    8–12 kJ/m²
    DensityISO 1183
    1.40–1.50 g/cm³

    Processing

    Drying
    80 °C, 4–6 h (desiccant dryer); moisture content 0.05–0.2 % recommended
    Melt temperature
    260–290 °C
    Mold temperature
    80–100 °C; upper end for a better surface

    Why this material

    • Non-slip, vibration damping, good feel; two-shot molding

  • GRN-PC-L110

    Transparent PC

    Tensile strengthISO 527-1/-2
    60–68 MPa
    Light transmittanceISO 13468-1 · 3 mm; design target
    ≥ 88 %
    Charpy notched impact strengthISO 179-1/1eA · 23 °C
    60–80 kJ/m²

    Used for

    Request a sampleGrade details
    MoreLess

    Features

    Light-transmitting, impact-resistant

    Typical values

    Heat deflection temperatureISO 75-1/-2 · 1.80 MPa
    125–135 °C
    DensityISO 1183
    1.19–1.21 g/cm³
    Flammability ratingUL 94 · 1.5 mm; design target, subject to test report
    HB

    Processing

    Drying
    120 °C, 3–4 h; moisture content ≤ 0.02 % recommended
    Melt temperature
    280–310 °C; for flame-retardant grades keep within the TDS upper limit
    Mold temperature
    80–110 °C

    Why this material

    • Stops debris and blades; some must show the cutting line

Industry overview and trends

  • Large exports, a changing market

    China is one of the main producers and exporters of power tools and hand tools. In 2025, customs exports of "tools for hand or machine use" were about 2.9 million tonnes, up about 11 % on the previous year; export value was about USD 18.3 billion, up about 2 %. Power tool export value fell slightly, by about 2 %, while exports of lawn mowers and other garden tools rose about 32 %.

  • Export markets are more diverse

    In 2025, the share of exports to North America fell markedly, while the share to emerging markets kept rising. Certifications, voltages and plugs differ by market, so one tool often needs several versions.

  • Cordless and lithium-ion keep advancing

    The share of lithium-ion tools in exports is rising. In one major power tool industrial cluster, lithium-ion tools already make up more than 40 % of exports. One battery pack platform covers drills, saws, grinders and garden tools, so volumes of battery pack housings and chargers rise with it.

  • Regulatory updates

    Power tool safety is assessed to the IEC 62841 series. The new EU Machinery Regulation, Regulation (EU) 2023/1230, applies from 2027-01-20 and replaces the Machinery Directive 2006/42/EC. Exports of lithium-battery tools also involve dangerous-goods transport testing (UN 38.3).

  • In 2025, China exported about 2.9 million tonnes of hand and machine tools (customs category, about +11 %), worth about USD 18.3 billion (about +2 %). Power-tool export value fell by about 2 %, while lawn-mower exports grew by about 32 %.
  • Cordless lithium tools keep growing. In one major power-tool cluster, lithium tools are more than 40 % of exports. One battery platform covers drills, saws, grinders and garden tools.

Part-to-material guide

Full list · 12 parts

This table shows common industry practice for first-round selection. The final choice depends on the applicable standards, load analysis and validation results (to be verified by GREENPOLYMER).

Power-tool housing (drill, impact driver, grinder)

Typical materials: Glass-fiber-reinforced PA6 (often GF30), PA66-GF, PC/ABS (light-duty models)
Why

Balance of stiffness and toughness; resistance to oil and dirt; mounting accuracy for motor and gearbox

Key requirements

Drop impact; stiffness; resistance to grease and chemicals; heat resistance; dimensional stability

Common standards

IEC 62841-1; IEC 62841-2-x; ISO 179; ISO 178

GREENPOLYMER grade

GRN-PA6-E310 (glass-fiber-reinforced PA6, GF30, non-flame-retardant); when flame retardancy is needed, GRN-PA6-E510, GRN-PA66-E510 (halogen-free flame retardant)

Example grade / typical values — to be corrected by GREENPOLYMER

Gearbox housing, motor bracket

Typical materials: Glass-fiber-reinforced PA66, PA6-GF, aluminum alloy (high power)
Why

Carries motor torque and heat; needs dimensional accuracy

Key requirements

Stiffness; heat resistance; creep resistance; dimensional stability

Common standards

ISO 75; ISO 178

GREENPOLYMER grade

GRN-PA66-E510; GRN-PA6-E510

Example grade / typical values — to be corrected by GREENPOLYMER

Tool battery-pack case

Typical materials: PC, flame-retardant PC/ABS, PC/ABS (with overmolding)
Why

Dropped often; flame retardancy around the lithium battery; slide rails must be wear resistant

Key requirements

Impact (including low temperature); V-0 or as the standard requires; wear resistance; chemical resistance

Common standards

IEC 62841-1 (battery section); IEC 62133-2; UL 2595; UN 38.3

GREENPOLYMER grade

GRN-PC-N510; GRN-PCA-N510; GRN-PCA-H320 (when flame retardancy is not required); GRN-PCA-S520

Example grade / typical values — to be corrected by GREENPOLYMER

Overmolded handle, soft grip

Typical materials: Rigid PA6-GF / PP / PC/ABS + TPE or TPU overmolding
Why

Non-slip, vibration damping, good feel; two-shot molding

Key requirements

Bond strength between rigid and soft materials; oil resistance; wear resistance; feel

Common standards

Bond strength per customer testing

GREENPOLYMER grade

Rigid core: GRN-PA6-E510, GRN-PCA-H320. TPE / TPU overmolding compounds: Available as a project-based development

Example grade / typical values — to be corrected by GREENPOLYMER

Switch parts, trigger, direction lever

Typical materials: POM, PA66, flame-retardant PBT (switch housings)
Why

Repeated actuation; wear resistance; live parts inside switch housings

Key requirements

Wear resistance; fatigue resistance; dimensional accuracy; flame retardancy and comparative tracking index (CTI) (switch housings)

Common standards

IEC 61058-1 (switches); IEC 60112; IEC 60695-2-12 / -13

GREENPOLYMER grade

Moving parts: GRN-POM-G110 (copolymer POM). Switch housings: GRN-PBT-E510, GRN-PA66-E510

Example grade / typical values — to be corrected by GREENPOLYMER

Plastic gears, clutch parts

Typical materials: POM, PA66, reinforced PA; high-torque gears are mostly metal
Why

Low noise; self-lubricating; can be injection molded

Key requirements

Wear resistance; fatigue resistance; dimensional accuracy; strength under temperature rise

Common standards

Gears tested to VDI 2736 or on your test rig

GREENPOLYMER grade

GRN-POM-G110; GRN-PA66-E510 for higher loads

Example grade / typical values — to be corrected by GREENPOLYMER

Charger housing

Typical materials: Flame-retardant PC, flame-retardant PC/ABS
Why

Power circuits inside, generating heat; placed on desks or in workshops

Key requirements

V-0; glow-wire; heat resistance; impact

Common standards

IEC 60335-2-29; IEC 62368-1 (where applicable); IEC 60695-2-12 / -13

Example grade / typical values — to be corrected by GREENPOLYMER

Blade and wheel guards

Typical materials: Metal (common for grinder guards), PC (transparent sight windows), PA-GF (lower guards of saws)
Why

Stops debris and blades; some must show the cutting line

Key requirements

Impact and penetration; heat resistance; light transmission and scratch resistance of transparent parts

Common standards

IEC 62841-2-3; IEC 62841-2-5

GREENPOLYMER grade

Transparent sight windows: GRN-PC-L110. Structural guards: GRN-PA6-E510

Example grade / typical values — to be corrected by GREENPOLYMER

Measuring-tool housing (tape, laser meter, level)

Typical materials: ABS, PC/ABS + TPE overmolding, transparent PC (windows)
Why

Drops; feel; appearance and brand color

Key requirements

Impact; appearance; UV resistance; window light transmission

Common standards

IEC 60825-1 (laser products, product level); IEC 60529

GREENPOLYMER grade

GRN-ABS-H120 (high-impact ABS); GRN-PCA-H320; windows: GRN-PC-L110

Example grade / typical values — to be corrected by GREENPOLYMER

Garden-tool housing (mower, trimmer, blower)

Typical materials: PP-GF, PA-GF, weather-resistant ASA / PC/ASA (appearance parts)
Why

Outdoor sun; grass sap, mud and water; large parts

Key requirements

UV resistance and color difference; impact; stiffness; cost

Common standards

IEC 62841-4-x; ISO 4892-2

GREENPOLYMER grade

GRN-ASA-W110; GRN-PCAS-W310; structural parts: GRN-PP-E510, GRN-PA6-E510

Example grade / typical values — to be corrected by GREENPOLYMER

Toolbox, storage case

Typical materials: PP, ABS, PC/ABS; PA or PP for handles
Why

Large parts; drop resistant; stacking loads

Key requirements

Impact (including low temperature); stiffness; cost

Common standards

ISO 179; drop per customer testing

GREENPOLYMER grade

GRN-ABS-H120; GRN-PCA-H320

Example grade / typical values — to be corrected by GREENPOLYMER

Car inverter, portable power housing

Typical materials: Flame-retardant PC/ABS, flame-retardant PC, aluminum alloy (heat dissipation)
Why

Power devices generate heat; high temperatures in vehicles; lithium batteries

Key requirements

V-0; heat resistance; impact; glow-wire

Common standards

IEC 62368-1; UL 94; IEC 60695-2-12 / -13

Example grade / typical values — to be corrected by GREENPOLYMER

Notes

  • Nylon absorbs moisture. Conditioned, it is tougher and less stiff. Run housing drop tests and stiffness checks in the actual service condition.
  • Housings and battery packs come into contact with engine oil, grease, cleaners and gasoline. PC and PC/ABS can stress-crack in contact with some chemicals; test with the actual media.
  • Guards of angle grinders and saws follow the product standard, and many models use metal. Plastic is used only where the standard allows.
  • IEC 62841, IEC 60335-2-29, UL 2595 and similar are product standards; what they certify is not the material itself.

GREENPOLYMER grades for tools and hardware

GradeMaterialRecommended partsDensityTensileNotched impactFlammability (target)
GRN-PA6-E310Glass-fiber-reinforced PA6 (GF30, non-flame-retardant)Housings, gearbox housings, handle cores1.34–1.38 g/cm³160–190 MPa (dry)10–15 kJ/m² (dry)HB @ 1.5 mm
GRN-PA6-E510Flame-retardant glass-fiber-reinforced PA6Housings, gearbox housings, handle cores, guards1.40–1.50 g/cm³130–160 MPa (dry)8–12 kJ/m² (dry)V-0 @ 1.5 mm
GRN-PA66-E510Halogen-free flame-retardant glass-fiber-reinforced PA66Gearbox housings, motor brackets, switch housings1.45–1.55 g/cm³140–170 MPa (dry)8–12 kJ/m² (dry)V-0 @ 1.5 mm
GRN-POM-G110Copolymer POMGears, triggers, sliders, snap fits1.39–1.42 g/cm³60–68 MPa5–8 kJ/m²HB @ 1.5 mm
GRN-PBT-E510Flame-retardant glass-fiber-reinforced PBT (high CTI)Switch housings, connectors1.55–1.70 g/cm³100–130 MPa6–10 kJ/m²V-0 @ 1.5 mm
GRN-PC-N510Halogen-free flame-retardant PCBattery pack housings, charger housings1.20–1.24 g/cm³60–68 MPa20–50 kJ/m²V-0 @ 1.5 mm
GRN-PCA-N510Halogen-free flame-retardant PC/ABSCharger housings, inverter housings1.17–1.20 g/cm³55–65 MPa10–30 kJ/m²V-0 @ 1.5 mm
GRN-PCA-H320Low-temperature high-impact PC/ABS (non-flame-retardant)Battery pack housings, measuring tools, toolboxes1.12–1.15 g/cm³48–56 MPa45–65 kJ/m² (−30 °C: 25–40 kJ/m²)HB @ 1.5 mm
GRN-ABS-H120High-impact ABS (non-flame-retardant)Measuring tool housings, toolboxes1.03–1.05 g/cm³38–45 MPa25–40 kJ/m²HB @ 1.5 mm
GRN-PCA-W310Weather-resistant PC/ABS (non-flame-retardant)Appearance parts of outdoor tools1.12–1.16 g/cm³50–58 MPa35–55 kJ/m²HB @ 1.5 mm
GRN-ASA-W110 / GRN-PCAS-W310Weather-resistant ASA / weather-resistant PC/ASA (non-flame-retardant)Garden tool housings1.06–1.17 g/cm³40–60 MPa8–50 kJ/m²HB @ 1.5 mm
GRN-PP-E510Flame-retardant glass-fiber-reinforced PPGarden tool structural parts1.15–1.30 g/cm³50–70 MPa5–9 kJ/m²V-0 @ 1.5 mm
GRN-PC-L110Transparent PC (non-flame-retardant)Guard sight windows, measuring tool windows1.19–1.21 g/cm³60–68 MPa60–80 kJ/m²HB @ 1.5 mm
  • Typical values. Refer to the actual TDS. Chemical resistance and fatigue data are to be verified by GREENPOLYMER and can be tested per project.
  • For full properties, see Products. For how to choose, see the selection guide.

Why GREENPOLYMER

  • Custom compounding

    GREENPOLYMER does reinforcing, toughening, flame-retardant and weather-resistant compounding. Formulations can be adjusted to the different requirements of housings, battery packs and chargers. Materials marked "Available as a project-based development" in the table can be developed with GREENPOLYMER engineers.

  • Brand colors

    The Shenzhen Color Matching Center works to RAL and Pantone numbers and customer color plaques; color matching at the compounding stage controls color difference between batches.

  • Technical support

    Material selection assessment and design advice on wall thickness and ribs; mold flow analysis can be done together with your tooling team.

  • Halogen-free flame retardancy

    GREENPOLYMER's flame-retardant technology focuses on halogen-free and fluorine-free solutions. Silicone-based flame-retardant grades do not use PTFE anti-drip agents.

  • Recycled grades

    Each grade can be customized with recycled content (suffix -R). The recycled share is set per project, with traceability documents. Certificate to be uploaded.

  • Fast sampling

    Free samples of 1–5 kg are available for standard grades, usually shipped in 3–7 working days. Custom formulation samples usually take 1–3 weeks.

  • Sites

    The company headquarters and main plant are in Jiangxi, which is also home to a 3D printing filament industry cluster. GREENPOLYMER also has the Hangzhou Production Base, the Shenzhen Color Matching Center and the Dongguan Development Center. 6,000+ t capacity; 29,000+ m² total plant area.

  • Patents

    8 invention patents.

  • In-house testing

    Test equipment covers melt flow rate, Izod and Charpy impact, horizontal and vertical burning (UL 94 method), heat deflection temperature and Vicat, constant temperature and humidity, UV and xenon-arc weathering, XRF, TGA, DSC, glow-wire, needle flame, comparative tracking index (CTI) and salt spray. In-house tests are for development and quality control and do not replace third-party test reports or UL certification.

  • Customers and partners

    TRUPER.

3D printing in tool development

UseExampleRecommended filament
Ergonomic samplesReviews of handle shape and gripGRN3D-PLA-M01 (Matte); GRN3D-PLA-T01 (PLA Toughened)
Soft-grip samplesFeel validation of soft grips and anti-slip padsGRN3D-TPU-F95; GRN3D-TPU-F85
Functional prototypesAssembly of housings, battery pack rails and accessory interfacesGRN3D-PA6-G25; GRN3D-PA6-C20 (carbon fiber content to be verified by GREENPOLYMER); GRN3D-PC-E01
Jigs and accessoriesDrilling guides, storage racks, tool boardsGRN3D-PETG-C01; GRN3D-PETG-S01
Outdoor samplesAppearance reviews of garden tool housingsGRN3D-ASA-S01
  • Printed parts cannot replace injection-molded samples for drop, flammability and heat resistance certification.
  • The properties of printed parts depend on print orientation, layer thickness and infill.

For filament details, see the filament overview, Engineering series, Everyday Functional series and Flexible series. To prototype in filament and then injection-mold the same material family, see From compounding to filament. For more 3D printing applications, see the 3D printing industry page.

Industry FAQ

Q1. Why is glass-filled PA6 common for power-tool housings?

It is stiff and reasonably tough, resists oil and chemicals, and is cost-effective. Moisture makes it tougher, which suits tools that are often dropped. Its dimensions and stiffness change with moisture, so design with conditioned values.

Q2. PC or PC/ABS for battery-pack cases?

PC offers better toughness and heat resistance for demanding packs. PC/ABS is easier to process and costs less. Both can stress-crack with some greases and cleaners, so test with the real media. If flame retardancy is needed, use a halogen-free FR grade rated at the actual wall thickness.

Q3. What if the soft grip peels off?

First check that the substrate and the overmold material are compatible; PA, PP and PC/ABS each need a matching TPE or TPU. Then check the process: mold temperature, molding sequence and surface cleanliness. Finally, test bond strength, oil resistance and thermal cycling.

Q4. Can plastic gears be used in power tools?

Low-torque gears, clutch parts and speed selectors can use POM or reinforced PA. High-torque main drive gears are usually metal. Test plastic gears at the real speed, torque and temperature.

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  • Product type (power tool, battery pack, charger, hand tool, garden tool) and part name
  • Drop, oil and heat requirements
  • Flammability requirement and test thickness
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