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Poly 15-3X Liquid Plastic is a two-part, liquid polyurethane resin that cures (RTV) to a tan, Shore D80 plastic that has the feel of dense stone. This is a fast-setting, mineral-filled system with a simple 1A:1B mix ratio by weight. The filler makes Poly 15-3X a very economical, low-cost resin and also reduces exotherm so shrinkage is minimal; Poly 15-3X and Poly 15-3 (the slower setting version of Poly 15-3X) exhibit the least shrinkage on cure compared to other Polytek® polyurethane plastics. Poly 15-3X is a pourable plastic, but it can be easily thickened with PolyFiber II Thickener for brush-on application.
WARNING: This product can expose you to chemicals including Diisononyl phthalate, Cumene, Napthalene, Ethyl benzene, Benzene and Toluene, which are known to the State of California to cause cancer and/or reproductive harm. For more information, go to www.P65Warnings.ca.gov.
FOR INDUSTRIAL/PROFESSIONAL USE ONLY.
TECHNICAL SPECIFICATIONS
- Mix Ratio by Weight: 1A:1B
- Shore Hardness: D80
- Pot Life: 5 min.
- Demold Time: 1-12 hr.
- Cured Color: Tan
- Mixed Viscosity: 2,000 cP
- Specific Volume: 18 in³/lb
- Specific Gravity: 1.53
- Linear Shrinkage: 0.0015 in/in
- Elongation: 2.6 %
- Tensile Strength: 3,890 psi
- Heat Deflection Temp.: 149°F
- Max Exotherm: 160°F
- Note: Shake or Stir Part A & Part B before use. Demold time varies with thickness of casting. The thinner the casting, the longer the demold time. Shrinkage in polyurethane resins is caused by gelling while hot then cooling.
- Note: The color of polyurethane Part Bs may change in color from batch to batch or may darken with age, but product performance is not affected.
Kit Components
| Poly15-3X | Components |
| 20-lb kit includes | 10 lb of Poly 15-3X Part A (~1 gallon) 10 lb of Poly 15-3X Part B (~1 gallon) |
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