Polysulfide insulating glass sealant
JS-998 two-component polysulfide sealant for insulating glass is a solvent-free, two-component, room temperature curing sealant.
JS-998M two-component ordinary civil insulating glass polysulfide sealant is a solvent-free, two-component, room temperature curing sealant.
Product features
Two component, room temperature curing, free from solvents and low boiling substances, without polluting the environment;
Good bonding performance, excellent aging resistance, extremely low water vapor and inert gas permeability, and the hollow glass produced meets the requirements of GB/T 11944 standard.
Project technical indicators
Mechanical construction and manual construction
Appearance: Component A is white, with uniform viscosity and paste like substance. White, with uniform viscosity and paste like substance
B component black, uniformly viscous paste black, uniformly viscous paste
Viscosity (Pa s) Component A 250-400 180-350
Component B 100-250 100-250
Pot life (min) ≥ 30 ≥ 30
Surface drying time (h) ≤ 2 ≤ 2
Sag (mm) ≤ 1 ≤ 1
Tensile bonding strength (Mpa) ≥ 0.8 ≥ 0.7
Hardness after vulcanization (Shore A) 5h ≥ 30 ≥ 25
24h ≥40 ≥35
Product packaging: Component A is 191L/barrel, 300Kg/barrel, 30Kg/barrel, and the supporting packaging for Component B is 19L/barrel, 30Kg/barrel, and 3Kg/barrel.
Store in a cool, ventilated and dry place for a storage period of 12 months