Plastic material guides

Which plastic to specify for injection-molded or machined gears.

Which polymers are certified for direct food contact.

Which polymers survive continuous heat above 150 °C.

Which polymers survive prolonged exposure to acids, bases, and solvents.

Clearest plastics and when to use each.

Which FDM filament for which use case.

Which polymers are qualified for medical devices, sterilization, and body contact.

Which plastics survive long-term outdoor sunlight without yellowing or embrittlement.

Which polymers are available in UL 94 V-0 grades.

Which polymers offer the lowest density for weight-critical parts.

Which plastics survive years of sun, rain and temperature swings on signage.

Which polymer to specify for potable, rainwater or chemical storage tanks.

Which polymers combine dielectric strength, UL 94 V-0 and dimensional stability for electronics.

Which polymers survive repeated dishwasher cycles without warping, staining or leaching.

Which polymers survive saltwater immersion, UV and biofouling on boats.

Which polymers survive engine-bay heat, oils and vibration.

Which polymers are used for prescription, safety and sunglass lenses.

Which polymers combine light weight, impact resistance and printability for UAV frames.

Which polymers offer the lowest friction and highest PV limit for unlubricated bearings.

Which polymers are specified for water, gas, drain and chemical piping.

Reference for thermal conductivity, HDT, Tg, Tm, service temperature and CTE across polymers.

Thermal conductivity of PP homopolymer and copolymer, plus Tg, Tm, HDT, CTE and service temperature.

Reference on unplasticised PVC for pipe, window frame, sheet and profile applications.

Reference on PA66 compounds — glass fibre, mineral, impact modified, flame retardant and heat stabilised grades.

Reference density, mechanical, thermal and processing properties of PLA polylactic acid.

Compare PA12 (Nylon 12) and ABS on strength, temperature, chemical resistance and cost.

Compare ABS and polycarbonate (PC) for enclosures, housings and structural parts.

Compare polypropylene homopolymer, random copolymer and block copolymer for injection moulding.