Phazi la LSR (Liquid Silicone Rubber) la Sipika yokhala ndi Adhesive Backing lapangidwa kuti lipereke kugwira kosatsetsereka ndikuletsa kugwedezeka kapena kuyenda kwa sipika, kuonetsetsa kuti phokoso likhale lokhazikika komanso labwino kwambiri.
Chomangira kumbuyo kwa mapazi a LSR chimalola kuti kuyikako kukhale kosavuta komanso kumamatira pansi pa sipika, zomwe zimapangitsa kuti maziko ake akhale olimba komanso okhazikika pamalo osiyanasiyana.
Mapazi a LSR a Sipika Yokhala ndi Chothandizira Chomatira amapangidwa ndi chinthu cholimba komanso chosinthasintha chomwe chimatha kupirira kutentha kwambiri, kukhudzidwa ndi chinyezi ndi mankhwala, komanso kugwiritsidwa ntchito kwa nthawi yayitali popanda kuwonongeka kapena kutaya mphamvu.