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Silicones also exhibit good chemical resistance and high-temperature resistance (205 °C, 400 °F and higher). For this reason, silicone molds are suitable for casting low-melt metals and alloys (e.g. zinc, tin, pewter, and Wood's metal). RTV silicone rubbers are, however, generally expensive – especially platinum-cure.
Silicone rubber is an ... and building construction and as molds for casting polyurethane, epoxy, and polyester resins, waxes, gypsum, and low-melting-temperature ...
Injection molding of liquid silicone rubber (LSR) is a process to produce pliable, durable parts in high volume.. Liquid silicone rubber is a high purity platinum cured silicone with low compression set, good stability and ability to resist extreme temperatures of heat and cold ideally suitable for production of parts, where high quality is required.
High gas permeability: at room temperature (25 °C), the permeability of silicone rubber for such gases as oxygen is approximately 400 times [9] that of butyl rubber, making silicone useful for medical applications in which increased aeration is desired. Conversely, silicone rubbers cannot be used where gas-tight seals are necessary such as ...
A flexible mold can be made of latex rubber, room temperature vulcanized silicone rubber, of which there are two types:Tin catalysed [2] (sometimes called condensation cured due to the alcohols weeping out as a by product of the reaction) or Platinum [3] (or addition cured, thus no byproduct) catalysed. Other similar materials can be used at ...
Silastic-brand silicone elastomers have a range of applications. In the automotive industry they are used for making gaskets, spark plug boots, hoses and other components that must operate over a broad temperature range and resist oil and coolants.