What are the five major uses of silicone sealants in construction?

In construction, there are five major uses for silicone sealants:

1. Silicone structural sealant

Use: Mainly used for structural bonding of glass and aluminum sub-frame, and also used for the second sealing of insulating glass in hidden frame curtain wall.

Features: Bear wind load and gravity load, high requirements for strength and aging resistance, and certain requirements for elasticity.

2. Silicone weather-resistant sealant

Use: Sealing of joints to ensure air tightness, water tightness and other properties.

Features: Need to withstand large changes in joint width, high requirements for elasticity (displacement capacity) and aging resistance, low strength requirements, high modulus and low modulus are both possible.

3. Ordinary silicone sealant

Use: Sealing of door and window joints, external wall caulking and other locations.

Features: Bear changes in joint width, certain displacement capacity requirements, and low strength requirements.

4. Second silicone sealant for insulating glass

Use: Second sealing of insulating glass to ensure the stability of the insulating glass structure.

Features: High modulus, not too soft, some have structural requirements.

5. Special purpose silicone sealant

Purpose: used for joint sealing with special requirements, such as fireproofing, mildewproofing, etc.

Features: must have certain special properties (such as mildewproofing, fireproofing, etc.).

What are the five major uses of silicone sealants in construction?

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