Silicone rubbers (also referred to as polydimethyl siloxanes) which are used in medical and pharmaceutical applications must fulfill a multitude of requirements. They must be biocompatible, i.e. comply to USP Class VI and ISO 10993 standards and they need to be chemically resistant to a variety of cleaning fluids (CIP) and resistant to various sterilization techniques. The liquid silicone series Silopren® LSR 4020-4080 from Momentive Peformance Materials fulfill these requirements. They are prepared in a special filling process and delivered batchwise with a EP 1.3.2 certificate.
For some applications it is advantageous to reduce the coefficient of friction. This can be achieved with the also biocompatible LSR Top Coat TP3719 which can be applied on all silicone products, i.e. room temperature vulcanisable (RTV), high consistency (HCR) and liquid silicone (LSR) products. This may substantially reduce the friction of these products.
Silicone Elastomers in Medical Applications
Publication date: 14/11/2011
Silicones can be used in many medical applications
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