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Rapid Prototype Silicone Gaskets

Silicone is frequently used in gasket and o-ring applications due to its compression set values (among the highest available), as well as other characteristics and advantages including; excellent electrical qualities, inert and odorless, extreme temperature applications, can be steam sterilized, resistant to many chemicals, flexibility and durability, can be compounded for special properties and far exceeds values for thermoplastic elastomers.

Albright Technologies offers custom prototype silicone gaskets for medical devices, biomedical and other industries. Prototype silicone gaskets can be molded from both Liquid Silicone Rubber (LSR) and High Consistency Rubber (HCR). Albright provides its customers rapid silicone prototyping (5 business day expedited delivery) using compression, transfer and liquid silicone injection molding. Applications for silicone gaskets, o-rings, and micro gaskets include: medical (for both short and long term implant), aerospace, military, industrial and consumer products.

Silicone gaskets can be overmolded or bonded to other substrates such as thermoplastics, metals and existing silicone parts (such as tubing). Overmolding silicone gaskets onto substrate parts offers cost reduction in production products. There are many critical factors in properly designing a silicone gasket, such as location of the parting line, minimization of flash and maintaining tight dimensional tolerances.

Silicone Material for Gaskets

Silicone Rubber is commercially available in Shore A durometers ranging from 1 to 80. Higher durometers are used when higher compression forces are required, while lower durometers are used under lower compression forces. Other advantages of silicone gaskets are biocompatibility, resistances to chemicals, high temperature, and fatigue, as well as having a very high elastic modulus. These properties make silicone gaskets ideal for applications in typically hostile environments.