Kunezinhlobo eziningi zama-substrates ezingilazi namalensi, njenge-CR39, i-PC (i-polycarbonate), i-1.53 Trivex156, ipulasitiki yenkomba ye-refractive ephakathi, ingilazi, njll. Kumalensi okulungisa, ukudluliswa kwakho kokubili kwe-resin namalensi engilazi cishe ku-91% kuphela, futhi okunye ukukhanya kubonakaliswa emuva yilezi zinhlamvu ezimbili...
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