... Heat insulation 2) Pipe wrapping(petrolium) ,Isolation purposes , 3) Indicator & protection for underground cables and pipes ,Windows ... -resistant. 2) oxidation –resistant, good tensile strength. 3) uniform mesh size, flat and even mesh surface, weave ... ' - 2M25, 24, 23, 22, 21, 20, 191"25mm±3.00.9mm - 551' - 2M25, 24, 23, 22, 21, 20, ... 19, 181-1/4"31mm±4.00.9mm - 401' - 2M23, 22, 21, 20, 19, ...