... 1x20m,50m-300m 3.Weight: 60-300g 4.High strength&many color Fiberglass mesh is mainly alkali-resistant fiberglass fabric, it ... after test in Naoh 28days later, so that guarantee high strength, high tensility, light weight.3.Our fiberglass yarn is supplied ... 2.Reinforced cement products.3.Used for Granite, mosaic, marble back mesh etc.4.Fabric waterproof membrane, asphalt roofing.5.Framework material ...