PlatSil® FS-20 is a top - notch, two - part platinum - catalyzed liquid silicone system. It cures to a milky - white rubber with a Shore OO66/A20 hardness. The 1A:1B mix ratio, whether by weight or volume, makes it super easy to use. With a fast demold time of about 25 minutes and a pour time of around 8 minutes relative to its curing speed, you can quickly produce molds and parts while having enough time to mix and pour. You can use heat to speed up the curing process even more. This pourable rubber can be thickened easily with PlatThix Liquid Thickener or Fumed Silica for brush - on applications. Get access to specifications, product literature, technical bulletins, physical properties bulletins, and safety data sheets.

To use the Polytek PlatSil® FS - 20 Silicone Rubber Kit, first mix the two parts in a 1A:1B ratio, either by weight or volume. Stir well to ensure a uniform mixture. You have about 8 minutes to pour the rubber into your mold. After pouring, wait around 25 minutes for demolding. If you're in a hurry, you can use heat to speed up the curing. For brush - on applications, thicken the rubber with PlatThix Liquid Thickener or Fumed Silica. When handling, wear proper protective gear like gloves. Store the kit in a cool, dry place. If you notice any signs of degradation or changes in the product, don't use it. Keep it out of reach of children and pets.