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High-performance, one-component, moisture-curing silicone adhesive with excellent adhesion to glass, metals, and plastics.
Offers superior resistance to temperature extremes (–40 °C to +200 °C continuous service).
Low modulus formulation provides exceptional flexibility and stress relief in dynamic joints.
Good UV and weather resistance for long-term outdoor durability.
Non-corrosive and acetoxy-cure chemistry suitable for sensitive substrates including electronics and architectural glazing.
Structural bonding of insulating glass units (IGUs) in commercial and residential windows.
Sealing and bonding of façade components in curtain wall systems.
Mounting and fixing of solar panel frames and photovoltaic modules.
Adhesive assembly of LED lighting housings and outdoor signage enclosures.
General-purpose industrial bonding where flexibility and environmental resilience are required.
| Chemical Type | Acetoxy-cure silicone polymer |
| Product Form | Thixotropic paste, single-component |
| Appearance | Opaque white or translucent beige |
| Primary Applications | Structural glazing, façade assembly, solar mounting, electronic encapsulation |
| Key Features | Moisture-curing, low modulus, non-corrosive, UV stable |
| Shore A Hardness (7 days, 23 °C/50% RH) | 25–35 |
| Specific Gravity (25 °C) | 1.20–1.30 |
| Storage Life (unopened, 25 °C) | 9 months |
Q1: What substrates does DOWSIL 282 adhere to effectively?
A: DOWSIL 282 demonstrates strong adhesion to a broad range of substrates including glass, aluminum, stainless steel, painted metals, and many engineering plastics. Surface preparation—such as cleaning and, where appropriate, priming—is recommended to ensure optimal bond performance.
Q2: How long does it take for DOWSIL 282 to fully cure under ambient conditions?
A: DOWSIL 282 is a one-component, moisture-curing silicone adhesive. It typically develops handling strength within 24–48 hours at room temperature and standard humidity, with full cure progressing over several days depending on joint thickness, temperature, and relative humidity.
Q3: Is DOWSIL 282 suitable for applications requiring resistance to high temperatures or thermal cycling?
A: Yes—DOWSIL 282 retains elastomeric properties and mechanical integrity across a wide service temperature range, making it well-suited for environments involving prolonged exposure to elevated temperatures and repeated thermal cycling.
Q4: Can DOWSIL 282 be overcoated or painted after curing?
A: Fully cured DOWSIL 282 is generally compatible with many solvent-based and waterborne coatings, though compatibility testing under actual application conditions is recommended prior to full-scale implementation.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
