... aging,Strong anti-embrittlement excellent anti-leakage S-WM Fiberglass Roofing Tissue is mainly used as excellent substrates for SBS ... dispersed, flat is good2, High tear strength 3, Dimensional stability, asphalt impregnated fast4, Strong anti-embrittlement, anti-aging, weather resistance5, Excellent ... According to customer request, special specifications are also available. fiberglass roofing tissue