The Silicone Sealant is widely used as waterproofing and sealing material in the construction.

However, the builders always facing some problems that the sealant would change colours after using, it causes the outward appearances of the doors, windows, curtain walls etc.

How the silicone sealant changes colour?

1. Silicone sealant quality problem, some manufacturers use the poor quality raw materials for saving the cost;

2. There is incompatible during the different type silicone sealant. The acetoxy silicone sealant, alkoxy silicone sealant, oxime silicone sealant can not be used together, they will react then changing colours.

3. The silicone sealant used in incompatible with the EPDM

4. Acid materials, some acid cleaner (for example Oxalic acid solution) will cause the silicone sealant colour changed

1. Before using, do the compatibility testing between the silicone sealant and accessory materials (gaskets, spacers, etc.)

2. Avoiding contacting and exposed in the acid environment when application.

3. Choosing the qualified manufacturers, with the excellent characteristic silicone sealant

(GNS N76 Structural silicone sealant recommended)