* Ndị na-ekpo ọkụ rọba silicone nwere uru nke ịdị mkpa, ịdị mfe na mgbanwe;
* Igwe na-ekpo ọkụ silicone nwere ike melite nnyefe ọkụ, mee ka ọkụ dịkwuo ọkụ ma belata ike n'okpuru usoro ọrụ;
* rọba silicone nke fiberglass mesiri ike na-eme ka akụkụ nke ndị na-ekpo ọkụ sie ike;
* Enwere ike ịme oke ọkụ silicone rubber maka 1 w / cm²;
* Enwere ike ịme igwe mkpuchi rọba silicone maka nha ọ bụla na ụdị ọ bụla.