Neutral Cure 300ml Curtain Wall Silicone Sealant Anti Mildew
Neutral Cure 300ml Curtain Wall Silicone Sealant Anti Mildew
FEATURES of Curtain Wall Silicone Sealant
One part, neutral cure to form an extremely tough elastomeric rubber ensuring a durable, flexible, and watertight bond.
Non-corrosive to glass, metal etc.
Excellent weatherability and high resistance to ultra-violet radiation, heat and humidity, and ozone.
Excellent resistance to temperature extremes, unaffected performance from –50 ℃ to +150 ℃.
Excellent unprimed adhesion to wide range of substrates.
BASIC USES
GUIBAO 999 Silicone Structural Glazing Sealant is designed for:
Structural bonding and glazing applications for glass curtain walls, aluminum curtain walls, terracotta curtain walls and metal structures.
Other construction structural glazing applications
TYPICAL PROPERTIES of Curtain Wall Silicone Sealant
These values are not intended for use in preparing specifications
| Test Method | Property | Unit | Standard | Result |
| GB/T 13477 (ISO 7390) | Slump | mm | ≤3 | 0 |
| GB/T 13477 (ISO 8394) | Extrusion rate | s | ≤10 | 1.6 |
| GB/T 13477 (ASTM D 2377) | Tack free time | h | ≤3 | 1.0 |
|
GB/T 531.1 (ISO 7619) 53113477 |
Hardness | Shore A | 20～60 | 49 |
| GB 16776 (ASTM C 792) | Heat Aging | |||
| weight loss | % | ≤10 | 3.6 | |
| cracking | Nil | Nil | ||
| chalking | Nil | Nil | ||
| GB/T 13477 (ISO 8339) | Tensile strength |
MPa
|
||
| 23℃ | ≥0.60 | 1.08 | ||
| 90℃ | ≥0. 45 | 0.90 | ||
| -30℃ | ≥0. 45 | 1.3 | ||
| water immersion | ≥0. 45 | 1.12 | ||
| water-UV exposure | ≥0. 45 | 1.03 | ||
| adhesion failure | % | ≤5.00 | 0 | |
| elongation at ultimate tensile strength at 23℃ | % | ≥100 | 220 |
CURE TIME
As exposed to air, GUIBAO 999 begins to cure inward from surface. Its tack free time is about 60 minutes, the full and optimal adhesion forms in about 21 days.
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