Flex-It 90
Made in the USA
Made in the USA
When you buy from SRC, you'll receive fresh American-made materials every time, direct from the source.
Flex-It 90 is a semi-rigid urethane casting resin for casting abrasion resistant molds with excellent tear strength.
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Flex-It 90 is a semi-rigid urethane casting resin designed for casting abrasion resistant molds, seals, gaskets, models, prototypes, parts, rollers, etc.. It is semi-rigid in mass castings and flexible in thin cross-sections. FLEX-IT 90 has excellent abrasion resistance, tear strength, tensile strength, and has good chemical resistance.
| Mix Ratio | 1:1 by weight / volume |
| Working Time | 3 minutes |
| Demold Time | 1.5 hours |
| Heat Deflection | 170°F |
| Shrinkage | .001 |
| Color | Semi-clear |
| Hardness | 90-A |
| Viscosity | 1000 cps |
Overall I think the product worked ok.
This is the first time I have tried casting polyurethane.
The end use is for a form for casting concrete.
The fast set up time was ok but I think it trapped some air bubbles that affected the quality of the mold.
I will be placing an order for more and could use any guidance or insight.
Thank you,
Jeff Jenkins
Love this stuff. Does exactly what it says, and is so straightforward to use.
I used this product to fill in some custom square tube steel bump stops on my truck. The 1:1 mixing ratio made it super simple, and the black dye looked great. It started hardening just a bit faster than I was expecting, but probably because I stirred too long, poured too slow to avoid air bubbles; like the title says this was my first time ever using this so no doubt it was my fault. Regardless of it curing toward then end I got it all done just in time with no issues. I can’t wait to find more uses for this stuff!
Material looks and feels like the rubber material used for SCUBA high pressure vintage 1st stage regulators. We'll see. Looks really good.
Great product, perfect hardness for my homemade gaskets