Poly 74/75X is used in small amounts to accelerate the cure of 74/75/77-Series liquid polyurethane rubbers. The addition of this product will also reduce the working time.
Poly 74/75X Accelerator is used to cure Poly 74, 75 and 77 Series polyurethane liquid mold rubbers more quickly. Part X is most useful when making brushed molds with Poly 74 Series rubbers to decrease the time between coats.
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