1. Whakamaramahia nga hiahia: whiriwhiria te momo wera -(pēnei i te fluorosilicone) mo te taiao teitei o te pāmahana, me te aro ki te taumata whakamarumaru i roto i te mara hiko.
2. Whakataurite tawhā: kia iti iho ranei te rite ki te ± 0.05mm te hapa matotoru, a ko te roanga o te -ahua papanga silicone te nuinga o te 5-8 tau (puna raraunga: China Rubber Industry Association).
3. Paerewa Tiwhikete: Ko te tiwhikete FDA e hiahiatia ana mo te whakamahinga hauora, me te UL94 te whakamatautau mura mo te ahumahi miihini.