General Purpose Frameless Structural Silicone Sealant High Modules
General Purpose Frameless Structural Silicone Sealant High Modules Low Elasticity
Structural silicone sealant Description
Structural silicone sealant for Curtain Wall is a two component, neutral cure premium performance silicone construction sealant adhesive with good features. Silicone Construction Sealant adhesive has excellent unprimed adhesion to most coated or not coated glass and metal spacers. It’s compatible to neutral serial products, adhesive to most of construction material. Excellent adhesion to most curtain-wall materials such as coated ceramic, reflective glass, anodized oxidation or coated aluminium and stainless.
APPLICATION
Structural silicone sealant For structural assembling of glass curtain wall, particularly suitable for the structural assembly of glass and metal components of factory curtain wall. Secondary bonding and sealing for insulting glass and other industrial buildings.
TYPICAL PROPERTIES
| Test Method | Property | Unit | Standard | Result |
| GB/T 13477 (ISO 7390) | Slump | mm | ≤3 | 0 |
| GB/T 13477 (ASTM D 2377) | Tack free time | h | ≤3 | 0.8 |
| GB/T 13477 |
Working time |
s | ≤10 | 2.2 |
|
GB/T 531.1 (ISO 7619) |
Hardness | Shore A | 20～60 | 43 |
| GB 16776 (ASTM C 792) | Heat Aging | |||
| weight loss | % | ≤10 | 3.5 | |
| cracking | Nil | Nil | ||
| chalking | Nil | Nil | ||
| GB/T 13477 (ISO 8339) | Tensile strength |
MPa |
||
| 23℃ | ≥0.60 | 1.13 | ||
| 90℃ | ≥0.45 | 1.02 | ||
| -30℃ | ≥0.45 | 1.3 | ||
| water immersion | ≥0.45 | 1.01 | ||
| water-UV exposure | ≥0.45 | 1.09 | ||
| adhesion failure | % | ≤5.00 | 0 | |
|
Elongation at |
% | ≥100 | 140 |
Feature
Adjustable curing speed, fast solidification, suitable for continuous operation
Excellent weather durability, resistance to UV and hydrolysis
Wide range of temperature tolerance, with good elasticity within -50 to 150°C
Compatible with other neutrally cured silicone sealants and structural assembly systems
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