Smooth-On So-Flex II, 1 Gallon

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Clear plasticizer which is used as a softener for the PMC series materials. In general this material does not change the A to B ratio for these elastomers. SO-FLEX™ II is a phthalate free softening agent that will lower the cured durometer of a variety of Smooth-On flexible polyurethane products. The following charts indicate the effect SO-FLEX™ II has on fully cured (7 days) PMC™-121/50, Vytaflex™ 30 and Reoflex™ 20 urethane rubbers when added as a percentage of the total mix.
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Brush-On™ 40 100A:125B pbw
Part B SO-FLEX™ II Mix Thoroughly Parts A Shore A Hardness
125 g 0 g Mix 100 g 40
125 g 10 g Mix 100 g 35
125 g 20 g Mix 100 g 30
125 g 40 g Mix 100 g 20
Vytaflex™ 20 1A:1B pbw
Part B SO-FLEX™ II Mix Thoroughly Parts A Shore A Hardness
100 g 0 g Mix 100 g 20
100 g 10 g Mix 100 g 18
100 g 20 g Mix 100 g 16
100 g 40 g Mix 100 g 12
Vytaflex™ 30 1A:1B pbw
Part B SO-FLEX™ II Mix Thoroughly Parts A Shore A Hardness
100 g 0 g Mix 100 g 30
100 g 10 g Mix 100 g 27
100 g 20 g Mix 100 g 20
100 g 40 g Mix 100 g 16
PMC™ 780 DRY 2A:1B pbw
Part B SO-FLEX™ II Mix Thoroughly Parts A Shore A Hardness
100 g 0 g Mix 200 g 80
100 g 15 g Mix 200 g 73
100 g 30 g Mix 200 g 69
100 g 60 g Mix 200 g 60