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Master Bond adhesives

Reynolds OOMOO® 30 Tin Cure Silicone Rubber
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: Product Overview: No Vacuuming – No Scale – Easy To Use . . . OOMOO™ 25 & 30 are easy to use tin cure silicone rubber compounds that feature convenient one-to-one by volume mix ratios (no scale necessary). Both have low viscosities for easy mixing and pouring . . . vacuum degassing is not necessary. Both products cure at room temperature with negligible shrinkage. OOMOO™ 30 has a 30-minute pot life, with a six-hour cure time. OOMOO™ 25 is a faster version, with a 15-minute pot life and 75 minute cure time. For The Novice Mold Maker - OOMOO™ silicones do not have great tear strength. They are good for making simple one- or two-piece block molds. If you require a high-tear strength silicone, Mold Max™ silicones are recommended. More information on Mold Max™ silicones is available at www.smooth-on.com. OOMOO™ 25 & 30 are suitable for a variety of art-related and industrial applications including making one and two-piece block molds for sculpture and prototype reproduction, casting plaster, resins and wax. OOMOO™ silicones are also suitable for electrical potting and encapsulation applications.

Information provided by Reynolds Advanced Materials

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.34 g/cc1.34 g/ccASTM D-1475
Viscosity 4250 cP4250 cPMixed; ASTM D-2393
Linear Mold Shrinkage 0.0025 cm/cm0.0025 in/inASTM D-2566
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 3030ASTM D-2240
Tensile Strength 1.65 MPa240 psiASTM D-412
Elongation at Break 250 %250 %ASTM D-412
100% Modulus 0.689 MPa100 psiASTM D-412
Tear Strength 7.01 kN/m40.0 pliDie C; ASTM D-624
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 7.363e+15 ohm-cm>= 7.363e+15 ohm-cmASTM D-150-98
Surface Resistance >= 1.00e+14 ohm>= 1.00e+14 ohmASTM D-150-98
Dielectric Constant 3.33
@Frequency 100 Hz
3.33
@Frequency 100 Hz
ASTM D-150-98
Dielectric Strength 14.1 kV/mm357 kV/inASTM D149
Dissipation Factor 0.010
@Frequency 100 Hz
0.010
@Frequency 100 Hz
ASTM D-150-98
 
Thermal PropertiesMetricEnglishComments
CTE, linear 288 µm/m-°C160 µin/in-°FASTM E-831-06
Thermal Conductivity 0.370 W/m-K2.57 BTU-in/hr-ft²-°FASTM D-1461
Maximum Service Temperature, Air 205 °C401 °F
Minimum Service Temperature, Air -53.0 °C-63.4 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 360 min6.00 hour
Pot Life 30.0 min30.0 minASTM D-2471
 
Descriptive Properties
ColorLavender
Mix Ratio100A:130Bby weight
 1A:1Bby volume
Specific Volume20.6[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.

PREYN110 / 296811

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