Isangqa sesilika sikaBensen senziwe ngendalo kunye nokusingqongileyo okukumgangatho ophezulu wePVC weresin ikhompawundi, ngokunyibilika kobushushu obuphezulu kunye ne-extrusion, ibunjwe ibe ngumtya wesilika oncanyathiselwe kwinkxaso ye-PVC, emva kweenkqubo ezininzi ezintle.Imveliso ayizange yongeze i-wax yeparafini ene-oxidized, eyingozi kwimpilo, kwaye isempilweni kwaye ayinavumba.Iziqwenga ezilahliweyo kunye neemveliso ziyi-recyclable thermoplastic resin.