Sika SikaSil 670 Fire Rated Silicone Sealant [Grey]

Usage Sikasil?-670 Fire is designed for fire rated movement and connection joints on porous and non-porous substrates. Advantages Up to 4 hours fire resistance according to AS 1530.4 Up to 4 hours fire resistance according to EN 1366-4 Very good resistance to weathering Movement capability of ± 35% (ASTM C 719) Easy to smooth and very good workability Good adhesion to many different substrates Neutral curing ? Colour Grey