Materials · 3D printing · GuamMaterials · Guam

Tell us what it has to survive. We pick the plastic.

Most people never need to choose a material. Tell us where the part lives and what it goes through, and we choose a plastic that holds up. Buyers who already know what they want will find the technical names below each condition.

You never need to choose a material. Tap what your part goes through.

Start with the conditionsTap what it goes through

Sun and outdoor weatherSun and outdoor weather

UV light breaks down ordinary plastic. These hold color and strength in Guam sun, rain and salt air.

We usually useASA (outdoor, UV-resistant plastic) · ASA-CFASA · ASA-CF

Seen in: Solar input housing, boat cleat  →

Water, salt, or always wetWater, salt, or always wet

For parts that sit wet or get salt spray. We avoid plastics that soak up water.

We usually useASA · ASA-CFASA · ASA-CF

Seen in: Bilge pump strainer  →

HeatHeat

Near engines, motors, a hot car interior or hot equipment.

We usually usePC (polycarbonate) · PC-CF · PPA-CF (high-heat, carbon-filled)PC (polycarbonate) · PC-CF · PPA-CF (high-heat, carbon-filled)

Oil, fuel, cleaners or chemicalsOil, fuel or chemicals

Contact with oils, fuels or cleaning chemicals. We review these case by case.

We usually usePPS-CF (chemical-resistant, carbon-filled), after reviewPPS-CF (chemical-resistant, carbon-filled), after review

Drops, knocks or impactsDrops and impacts

Parts that get dropped, bumped or hit.

We usually usePC · PETG (tough, everyday plastic)PC · PETG (tough, everyday plastic)

Steady forceSteady force

Holding, clamping or tightening under everyday load. Not for safety-critical, load-bearing parts.

We usually useCarbon-filled grades: PETG-CF · ASA-CF · PC-CFCarbon-filled grades: PETG-CF · ASA-CF · PC-CF

Seen in: Twist-lock nut, 52-tooth gear  →

Rubbing, sliding or turningRubbing or turning

Against other parts, like gears and guides.

We usually usePA12-CF (nylon, carbon-filled) · ASA-CFPA12-CF (nylon, carbon-filled) · ASA-CF

Seen in: 52-tooth drive gear  →

Bending or flexingBending or flexing

Needs some give without cracking.

We usually useTPU 95A (firm rubbery plastic)TPU 95A (firm rubbery plastic)

Sealing or cushioningSealing or cushioning

Soft and rubbery, like gaskets and bumpers.

We usually useTPU 85A (soft rubbery plastic)TPU 85A (soft rubbery plastic)

Light has to shine throughLight shines through

Lenses, covers and light pieces.

We usually useClear PETGClear PETG

Seen in: DRZ400 tail-light piece  →

Nothing special / indoorsNothing special

Everyday indoor use.

We usually usePETGPETG

Not sureNot sure

That is fine. We work it out during the free assessment.

We usually useAssessed by PolyFormAssessed by PolyForm

Materials  ·  Guam

Tell us what it has to survive. We pick the plastic.

No material names needed. Tap what your part goes through.

Try it

What will your part face?

All conditions

Sun and outdoor weatherASA · ASA-CF
Water, salt, or always wetASA · ASA-CF
HeatPC · PC-CF · PPA-CF
Oil, fuel or chemicalsPPS-CF
Steady forcePETG-CF · ASA-CF · PC-CF
Rubbing or turningPA12-CF · ASA-CF

+ 6 more: impacts, flexing, sealing, light through, indoors, not sure

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