JB50 polyurethane windscreen nplaum yog lub zog siab, siab modulus, nplaum hom polyurethane windscreen nplaum, ib feem, chav sov noo noo curing, siab cov ntsiab lus, zoo huab cua tsis kam, zoo elasticity, tsis muaj teeb meem tshuaj raug tsim thaum lub sij hawm thiab tom qab kho, tsis muaj kuab paug rau. cov khoom siv hauv paus. Qhov saum npoo yog pleev xim rau thiab tuaj yeem coated nrog ntau yam xim thiab txheej.