Resilient Elastomer RE40

Color：

Translucent

Specification：

1000 g/Bottle

Machine Compatibility：

Reflex 2 Pro

Reflex 2

*The compatibility and process packages are being updated. Please refer to the process packages shown in Blueprint Studio.

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Key Features

RE40 is a 40A Shore hardness silicone-like elastomer that delivers a soft, comfortable skin feel, along with skin safety and low odor. It features excellent extensibility, good resilience and fine detail printability for elastomeric parts making it ideal for applications that demand a soft, comfortable touch—such as hearing aids/custom in-ear headphone shells, robot skin, and lattice padding. Suitable for medical, automotive, and consumer electronics industries, it is well suited for functional prototypes or small-batch production parts.

Silicone-like
Skin-safe
530% Elongation at break
48% rebound resilience
soft & comfortable feel

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Basic Performance¹

PropertiesStandardResultUnitElongation at BreakASTM D412530%Tensile StrengthASTM D4126MPaTear StrengthASTM D62413.5N/mm100% ModulusASTM D4120.49MPa200% ModulusASTM D4120.81MPaRebound Resilience TestISO 466248%HardnessASTM D224040Shore AViscosityASTM D42124580mPa·sThermal Accelerated Aging Test²YY/T 0681.11600hTemperature Change TestGB/T 2423.22√/Color Fastness TestISO 105-E04√/Thermal Aging Test （-20°C/40°C）GB/T 2423.22√/In Vitro Cytotoxicity TestISO 10993.5√/Skin Sensitization TestISO 10993.10√/Skin Irritation TestISO 10993.23√/ ¹ Data from HeyGears Lab. Results are average values with ±10% deviation. ² Equivalent to 1 year of outdoor use, the material's properties degrade by less than 30%, with a non-significant color change (△E＜2) and a dimensional deviation of ±0.1 mm.

Technical Data Sheet

Safety Data Sheet

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Resilient Elastomer RE40

Key Features

Basic Performance¹

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