1)solid,hollow,hollow conjugated 2)2.5-25D X 22-76MM 3) Non-siliconized and siliconized silicone solid material silicone solid material Specifications HTV disc silicone rubber Features :Temperature resistance of 400- 420c or even more higher,available in 300,260mm size diameter HTV Disc silicone rubber Name: HTV - Zinc-alunimun Alloy Craft Silicone DiscNumber: SM05Usage: Alloy crafts, bullion ...