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Reynolds Plasti-Paste™ EPOXY Trowelable Epoxy Paste
Categories: Polymer; Thermoset; Epoxy

Material Notes: Product Overview: Plasti-Paste™ EPOXY is an epoxy-based version of Smooth-On’s popular urethane Plasti-Paste™ products. It is a two component, fiber-filled epoxy designed for vertical surface application. Part A is a paste and Part B is a liquid. Mix ratio is 2A: 1B by volume or weight. Pot life is 40 minutes and cure time is 16 hours at room temperature depending on mass. Applying heat can reduce cure time. Mixed material holds a vertical surface without sagging and cures very rigid and strong. Plasti-Paste™ EPOXY offers some advantages over urethane Plasti-Paste™ products: 1. Material is not affected by moisture. 2. Material has a longer working time for applying over large areas. 3. Cured material is more rigid with less being required for making support shells/mother molds and 4. Higher heat resistance up (160°F / 71°C). Liquid material can be colored with UVO™ colorants and cured epoxy can be sanded, machined and painted with acrylic enamel paints. This plastic can used as a support shell or mother mold material to reinforce rubber molds during casting. It can also be used for creating themed environments, creating art or special effects. This epoxy is also a powerful adhesive and can be used as a repair material for a variety of industrial applications.

Information provided by Reynolds Advanced Materials

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.00 g/ccASTM D-1475
Linear Mold Shrinkage <= 0.0010 in/inASTM D-2566
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 80ASTM D-2240
Tensile Strength, Ultimate 3320 psiASTM D-638
Elongation at Break 0.83 %ASTM D-638
Tensile Modulus 470000 psiASTM D-638
Flexural Strength 9186 psiASTM D-790
Flexural Modulus 2.273e+6 psiASTM D-790
Compressive Strength 7700 psiASTM D-695
Compressive Modulus 138000 psiASTM D-695
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 71.0 °CHeat Deflection Temperature; ASTM D-648
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 hourThin Film Tacky Recoat Time
 16.0 hourDemold Time
 60.0 minRecoat Time
Pot Life 40.0 minASTM D-2471
 
Descriptive Properties
ColorOff White
Mix Ratio2A:1Bby volume
 2A:1Bby weight
Mixed ViscosityPaste
Specific Volume27.73[in3/lb], ASTM D1475

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PREYN209 / 296910

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