Cement, sawn wood, wood shavings, wood doors, natural stone , limestone, sand, gravel.Transport, production
Borosilicate 4.0 fire resistant glass: the maximum fire resistance time is 3 hours, ultra low expansion coefficient small specific gravity, more than 8% lighter than ordinary soda lime silica glass ultra clear, light transmittance above 92% thickness range: 4 15mm maximum size: 4800*2440mm can be used in fireproof curtain walls, partition walls, platforms, day lighting roofs, smoke proof vertical walls, railings, doors and windows, elevator shafts, rail transit platform screen doors, rail locomotive doors and windows and other fields..
Minimum Length Bottom - 4 cm Produced Tooth Colors Brass, Antique Yellow, Antique Oxide, Oxide, Tin, Tin Oxide, Copper, Copper Oxide, Gold, Light Gold, Rose Gold, Gun Metal, White Free, Black Free, Painted Teeth Dimensions Tooth height 1.40 mm + 0.05 mm Thread width 3.30 mm + 0.05 mm Strip width (closed) 25 mm ± 0.100 mm Strip width (open) 11.5 mm + 0.10 mm