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Specialty Compounds RTP Company

Reynolds Poyo® Putty 40 Two-component mold making silicones
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: Product Overview: PoYo® Putty 40 is a two-component mold making silicones (tin catalyst) that can be mixed and applied “on site” – directly to almost any model. PoYo® Putty will hold any vertical surface and capture even the finest detail - perfect for making strong rubber molds that can be used within minutes. Use Less – Do More: Because PoYo® is applied as a thin layer, less material is used, saving you money. Molds are also lightweight, making them easier to handle. Pot life and cure time can be adjusted (faster or slower) by varying the amount of Part B catalyst. User Friendly - PoYo® Putty can be measured and mixed by volume (no scale necessary). It will stick to itself and other silicone rubbers, giving the user many application options or for using as a silicone rubber repair material. PoYo® Putty has been used to make molds of valuable antiques and archeological models and can be used to make fast molds of sculpture, prototypes, candles, picture frames, coins, etc. You can cast wax, gypsum and a variety of resins into PoYo® Putty molds.

Information provided by Reynolds Advanced Materials

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.30 g/cc1.30 g/ccASTM D-1475
Linear Mold Shrinkage 0.0030 cm/cm0.0030 in/inASTM D-2566
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 4040ASTM D-2240
Tensile Strength 3.10 MPa450 psiASTM D-412
Elongation at Break 250 %250 %ASTM D-412
Tear Strength 14.9 kN/m85.0 pliDie B; ASTM D-624
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 205 °C401 °F
Minimum Service Temperature, Air -53.0 °C-63.4 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 30.0 min0.500 hour
Pot Life 3.00 - 5.00 min3.00 - 5.00 minASTM D-2471
 
Descriptive Properties
ColorLight Pink
Mix Ratio100A:6Bby weight
 20A:1Bby volume
Mixed ViscosityPutty
Specific Volume21.3[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.

PREYN111 / 296812

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