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Posted by Tocej, 25.18.2006 - roofing with asphalt shingles for pros by pros and polyisobutylene roofing
Polyisobutylene glide LayerPOLYISOBUTYLENE ROLL LAYERPolyisobutylene list layer is a polymeric union of high-molecular polyisobutylene attending plasticisers, fillers and other technological additives.Polyisobutylene gyrate layer is produced in four grades: NP-1, NP-2, NP-3 and NP-3D.