Customization: | Available |
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Chemical Composition: | Silicone Sealant |
Curing Time: | Slow Curing: More Than 48 Hours |
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**HC-793 Premium Weatherproof Architectural Sealant**
**Product Overview**
The HC-793 is a versatile, single-component architectural sealant designed for medium-modulus, long-lasting weatherproofing. With its high adhesion and superior weather resistance, it is the ideal solution for sealing and assembly in a wide range of construction applications, ensuring durability and reliability even in challenging environments.
### **Key Features**
- **Medium Modulus:** Strikes the perfect balance between flexibility and durability, making it suitable for various construction needs.
- **Weatherproof Performance:** Provides exceptional resistance to environmental elements, ensuring long-lasting sealing and protection.
- **High Adhesion:** Forms a strong bond with diverse building materials, enhancing structural integrity.
### **Applicable Materials**
The HC-793 is compatible with the following materials:
- Mirrors
- Coated glass
- Ceramics and pottery
- Fiberglass
- Galvanized metal surfaces
- Most plastic panels
- Non-oily wood
- Anodized or painted aluminum profiles
### **Usage Restrictions**
To achieve optimal performance, avoid the following applications:
- **Temperature Sensitivity:** Not suitable for substrates with surface temperatures exceeding 50°C during application.
- **Curing Requirements:** Requires air exposure for curing; unsuitable for completely air-isolated environments.
With its exceptional versatility and durable weatherproofing capabilities, the HC-793 is an indispensable choice for professional sealing and assembly in architectural projects.
PERFORMANCE DATA | |||
Test Parameter | Unit | Result Translucent Pigmented | |
As Supplied Tested at 23ºC and 50% RH | |||
Specific Gravity | g/ml | 1.41±0.02 | 1.72±0.02 |
Flow (sag or slump) | mm | 0 | 0 |
Extrusion Rate | ml/minute | 115 | 98 |
Skin Time | minute | 5~10 | ≤110 |
Tack-free Time | hour | ≤1.2 | ≤10 |
Curing time (5mm) | hour | ≤18 | ≤18 |
As Cured-after 21 days at 23ºC and 50% RH | |||
Durometer Hardness, Shore A | Points | 20 | 29 |
Elastic Recovery | % | 85 | 87 |
Movement Capability | % | ±18 | ±19 |
Tensile/Modulus at 50% Elongation | % | 0.2 | 0.4 |
Tensile/Modulus at 100% Elongation | % | 0.28 | 0.5 |
Ultimate Tensile Strength | Mpa | 0.27 | 0.51 |
Ultimate Elongation at Break | % | 160 | 350 |