Ngwaahịa a bụ ihe mkpuchi okpomọkụ nke ọkwa ihe nkiri na ihe mgbochi infrared masterbatch, nke kwesịrị ekwesị maka ịmepụta ọkụ ọkụ ọkụ (VLT) mkpuchi ọkụ na ihe nkiri na-echekwa ike ma ọ bụ mpempe akwụkwọ, VLT 60-75%.Enwere ike iji ya maka imepụta ihe nkiri windo anyanwụ maka ụgbọ ala na ụlọ, iji ghọta ọkụ n'oge oyi ma dị jụụ n'oge okpomọkụ, na-echekwa ike oriri 32% n'oge okpomọkụ na 34% n'oge oyi.Igwe ọkụ na-ekpo ọkụ nke anyanwụ na-emepụta site na masterbatch nwere ike izere nsogbu na nchekasị na njikwa mma, na-ebelata ọnụ ahịa mmepụta nke ukwuu ma melite arụmọrụ mmepụta.