Polytuff®-31 is a 100% solids, solvent-free, high build, semi-flexible polyurethane binder. Polytuff-31 can also be pigmented with polyurethane tinters or powder oxides.
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INTENDED USES OF Polytuff®-31
| MIX RATIO | 1:3 with Graco high-pressure, heated, impingement-mix equipment |
| HARDNESS | 55+/-5 (Shore D) |
| ELONGATION | 50 – 60% |
| ABRASION | 75mg (CS-17 wheel, 1000 cycle) |
| TENSILE | 13 – 14 N/mm² |
| TEAR | 35 KN/m |
BY GRACO EXPERTS
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