best polysulphide sealant high quality sealant

polysulphide sealant 1,excellent elasticity 2,heat gas penetration 3,adherent stability to various glasses It is a kind of two-part room temperature vulcanized polysulphide sealant with high performance especially formulated for insulating glass. This sealant has excellent elasticity, heat gas penetration and adherent stability to various glasses. Insulating glass is a kind of energy-efficient material with various functions of soundproof, heat-resistant, anti-frost, and anti-fume, etc. It is widely used as the wind shields in construction, trains automobiles and the door glasses in refrigerators and freezing cabins.  Main Technical Properties (Only for Reference) 

Under the conditions of the 23±2°C and the R.H. 50±5%
Item		Component A			Component B
Viscosity(Pa's)		4000			800
Appearance		Fine, smooth and homogeneous			fine, smooth and grease-like
Color		White			Black
Density(g/em3)		1.75±0.1			1.52±0.1
Mixed Component A and Component B at 10:1 by weight, under the conditions of 23±2°Cand the R.H. of 50±5%
Item			Standard		Result	Test method
Resistance to flow, mm	Vertical		≤3		0.8	GB/T113477
	Level		No distortion		No distortion
Application Time, 30min ,S			≤10		4.8
A:B=10:1, Under the conditions of the  23±2°Cand the R.H. of 50±5%, after 7days of curing:
Item				Standard	Result	Test method
Durometer hardness (Shore A)					45	GB/T1531
Tensile strength , MPa				MPa	0.8	GB/T113477
Permeation rate of evaporation (g/m2.d)				≤15	8	GB/T11037
GB/T113477					25HM	JC/T1486

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best polysulphide sealant high quality sealant