Products tagged with 'DOWSIL 791, ซิลิโคนยาแนว, silicone sealant, ซิลิโคนกันน้ำ, neutral cure, weatherproofing, ยาแนวกระจก, curtain wall, façade, ASTM C920, ยาแนวรอยต่อ, ยาแนวอาคาร'

DOWSIL™ 791 is a one-part, RTV, neutral-cure, architectural-grade waterproof silicone sealant for sealing joints in curtain walls and building facades. It allows for expansion and contraction of joints up to ±50%, provides excellent adhesion without primer, and is resistant to sun, rain, and ozone. It meets ASTM C920 Class 50 standards and is SWRI validated.