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Neutral silicone A300

A300 Weather Resistance Building Silicone Sealant is a one part, neutral cure, architectural grade silicone sealant with high displacement, specially formulated for using in glazing and industrial fabrication where a premium quality, anti-corrosive sealant is required.

Main Uses:

Installation of various types of building doors and windows.

Multi-purposes architectural glazing & caulking sealant.

General-purpose caulking and waterproof sealing.

 

NO. Test items Technical indicators Test results
1 Appearance Delicate paste,no bubbles, crust or orgel OK
2 Sagging Vertical(mm) ≤3 0
level No deformation OK
3 Extruding ,ml/min ≥150 361
4 Surface drying time(h) ≤3 0.5
5 Displacement, % ±35 ±35
6 Elastic recovery rate, % ≥80 90
7 Tensile modulus,MPa 23°℃ >0.4 0.55
-20°℃ >0.6 0.88
8 Definite elongation adhesion No damage OK
9 Adhesion after hot pressing and cold drawing No damage OK
10 Elongation and adhesion after immersion in water No damage OK
11 Weight loss rate ,% ≤8 4
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