... yarn is supplied by Jushi Group which is the largest producer of fiberglass yarn in the world like Saint Gobain, it's 20 ... yarn!4.Strength retention rate> 90%, elongation <1%, the durability of more than 50 years.5.Good dimensional stability, stiffness, ... degree of tensile strength, can be widely used in building internal and external wall insulation, waterproofing, crack, etc..Performance:The product ...