Structural Silicone Sealant A500

A500 Structural Silicone Sealant, is a one part, neutral cure, high performance RTV silicone rubber sealant, especially formulated for structural bonding and curtain wall application.

Main Uses:

Structural glazing for curtain wall and façade system.

Glass, aluminum, ceramics, steels and other common building products.

Tiles, concrete, precast panels and other non-porous substrates.

NO. Test items Technical indicators Actual value
1 Appearance Delicate paste, no bubbles, crust or orgel OK
2 Sagging Verti ca(mm) ≤3 0
level No deformation OK
3 Extruding abilty, S ≤10 1.7
4 Surface drying time(h) ≤3 0.6
5 Hardness, Shore A 20-60 43
6 23℃Maximum tensIle strength elongation, % ≥100 188
7 Tensile adhesion,MPa standard conditions ≥0.6 1.09
8 90°℃ ≥0.45 0.83
9 -30℃ ≥0.45 2.07
10 After soaking in water ≥0.45 1.09
11 Water-UV light ≥0.45 1.07
12 Adhesive damage area ≤5 1
13 heat aging Thermal weightloss, % ≤10 4.1
14 Crack none none
Powdering none none
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