PT Flex 85 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow/amber, Shore A85 rubber. PT Flex Series rubbers were specifically designed for prototyping and model making applications and offer fast pour times (~5 minutes) and fast demold times (~2 hours).
FOR INDUSTRIAL/PROFESSIONAL USE ONLY.
TECHNICAL SPECIFICATIONS
- Mix Ratio by Weight: 1A:1B
- Shore Hardness: A85
- Pour Time: 5 min.
- Demold Time: 2 hr.
- Cured Color: Yellow/Amber
- Mixed Viscosity: 750 cP
- Specific Volume: 26.2 in³/lb
- Specific Gravity: 1.06
- Elongation: 250 %
- Tensile Strength: 1,064 psi
- Die C Tear Strength: 190 pli
- Notes: The color of polyurethane Part Bs may change in color from batch to batch or with time, but product performance is not affected.
Kit Components
PT Flex 85 |
Components |
80-lb kit includes |
40 lb of PT Flex 85 Part A (~5 gallons) 40 lb of PT Flex 85 Part B (~5 gallons) |

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