Reynolds EcoFlex® 00-20 Silicone Rubbers

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Reynolds EcoFlex® 00-20 Silicone Rubbers
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Product Overview: Ecoflex™ rubbers are platinum-catalyzed silicones that are versatile and easy to use. Ecoflex™ rubbers are mixed 1A:1B by weight or volume and cured at room temperature with negligible shrinkage. Low viscosity ensures easy mixing and de-airing, or you can choose to mix and dispense using our convenient dispensing cartridges. Cured rubber is very soft, very strong and very “stretchy”, stretching many times its original size without tearing and will rebound to its original form without distortion. Ecoflex™ rubbers are water white translucent and can be color pigmented with Silc Pig™ pigments for creating a variety of color effects. You can also add Smooth-On’s Silicone Thinner™ to further lower the viscosity. THI-VEX™ silicone thickener can be added by weight to Ecoflex™ silicones for brushable applications. Soft, Softer, Softest . . . Ecoflex™ rubbers are based on Smooth-On’s Dragon Skin™ technology and are currently available in many different hardnesses: Shore A-5, Shore 00-10, 00-20, 00-30 and 00-50. They are suitable for a variety of applications including making prosthetic appliances, cushioning for orthotics and special effects applications (especially in animatronics where repetitive motion is required). Ecoflex™ 5 has a pot life of 1 minute and a demold time of 5 minutes – Available only in dispensing cartridges. Ecoflex™ 00-33 AF is an anti-fungal silicone suitable for making a variety of skin-safe cushioning device configurations that resist fungi for orthopedic and orthotic applications. Ecoflex™ 00-20 FAST has a 20 minute pot life and 1 hour cure time. Cured Ecoflex™ is skin safe and certified by an independent laboratory. Information provided by Reynolds Advanced Materials
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Physical Properties	Metric	English	Comments

Specific Gravity	1.07 g/cc	1.07 g/cc	ASTM D-1475
Viscosity	3000 cP	3000 cP	Mixed; ASTM D-2393
Linear Mold Shrinkage	<= 0.0010 cm/cm	<= 0.0010 in/in	ASTM D-2566

Mechanical Properties	Metric	English	Comments
Hardness, Shore OO	20	20	ASTM D-2240
Tensile Strength	1.10 MPa	160 psi	ASTM D-412
Elongation at Break	845 %	845 %	ASTM D-412
100% Modulus	0.0552 MPa	8.00 psi	ASTM D-412
Tear Strength	5.26 kN/m	30.0 pli	Die B; ASTM D-624

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	232 °C	450 °F
Minimum Service Temperature, Air	-53.0 °C	-63.4 °F

Processing Properties	Metric	English	Comments
Cure Time	240 min	4.00 hour
Pot Life	30.0 min	30.0 min	ASTM D-2471

Descriptive Properties
Color	Translucent
Mix Ratio	1A:1B		by volume
	1A:1B		by weight
Specific Volume	26		[cu. in./lb.]

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PREYN140 / 296841

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