Platsil Part H Hardener Gel 10 & 25 aggregates Fine-ground

Fine-ground

The compound itself has low toxicity but decomposes on strong heating to evolve highly toxic fumes

Comparative and Relative Proportions

Power Station:

Mix the 105 Resin and 207 Special Clear Hardener thoroughly in the pierced and taped mixing cup

Platsil Part H Hardener Gel 10 & 25 aggregates Fine-groundUse PlatSil Part H Hardener to increase the Shore hardness of any PlatSil Gel. It also increases working and demold time. For PlatSil Gel OO, a mix of 1A: 1B: 1H gives a Shore A~10 rubber. For PlatSil Gel 10, a 1A: 1B; 1H mix cures to a Shore A~20 rubber. For PlatSil Gel 25, a mix of 1A: 1B: 1H has 7 minute working time and cures to a Shore A~40 rubber in under two hours.