Reynolds Mold Max® 30 Silicone Rubber Compounds

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Reynolds Mold Max® 30 Silicone Rubber Compounds
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Product Overview: Mold Max™ Silicones are tin-cured silicone rubber compounds that have exceptional working properties and library life. Mold Max™ Silicones feature Smooth-On’s exclusive “Libra™” catalyst for long library life. Mold Max™ silicones can be pigmented with Silc Pig™ silicone colorants. Pot life for the pourable silicones is 45 minutes and they cure overnight at room temperature. Mold Max™ Silicones will reproduce the finest detail and are suitable for a variety of industrial and art related applications including making molds for reproducing prototypes, furniture, sculpture and architectural elements. Mold Max™ 10, 20, 25 and 30 silicones can be thickened with THI-VEX™ additive for brush-on applications. (Note: THI-VEX™ is NOT compatible with Mold Max™ 40 or 60). Mold Max™ 60 offers highest heat resistance for casting metal (see separate technical bulletin) Mold Max™ Silicones can be used to cast a variety of materials including wax, gypsum, low melt alloys/metals and urethane, epoxy or polyester resins (without using a release agent). Important; you must weigh Part A & B components using a gram scale to be successful with Mold Max™ silicones. Vacuum degassing mixed material using a vacuum pump and chamber to remove entrapped air is recommended. Information provided by Reynolds Advanced Materials
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Physical Properties	Metric	English	Comments

Specific Gravity	1.18 g/cc	1.18 g/cc	ASTM D-1475
Viscosity	25000 cP	25000 cP	Mixed; ASTM D-2393
Linear Mold Shrinkage	0.0020 cm/cm	0.0020 in/in	ASTM D-2566

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	30	30	ASTM D-2240
Tensile Strength	3.98 MPa	577 psi	ASTM D-412
Elongation at Break	300 %	300 %	ASTM D-412
100% Modulus	0.758 MPa	110 psi	ASTM D-412
Tear Strength	21.9 kN/m	125 pli	Die B; ASTM D-624

Electrical Properties	Metric	English	Comments
Volume Resistivity	5.83e+13 ohm-cm	5.83e+13 ohm-cm	ASTM D257-14
Surface Resistance	8.29e+11 ohm	8.29e+11 ohm	ASTM D257-14
Dielectric Constant	3.29 @Frequency 100 Hz	3.29 @Frequency 100 Hz	ASTM D150-18
Dielectric Strength	13.0 kV/mm	330 kV/in	ASTM D149-20
Dissipation Factor	0.0050 @Frequency 100 Hz	0.0050 @Frequency 100 Hz	ASTM D150-18

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	205 °C	401 °F
Minimum Service Temperature, Air	-53.0 °C	-63.4 °F

Processing Properties	Metric	English	Comments
Cure Time	1440 min	24.0 hour
Pot Life	45.0 min	45.0 min	ASTM D-2471

Descriptive Properties
Color	Pink
Mix Ratio	100A:10B		by weight
Specific Volume	23.5		[cu. in./lb.]

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PREYN104 / 296805

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