UVA Environmental Test Chamber 1140×500×400mm with 8×40W UV Lamps for ISO 11507 Accelerated Weathering
- ISO 11507-2007: Paints and varnishes exposure to artificial weathering
- ASTM G154: Standard practice for operating fluorescent UV lamp apparatus
- ISO 4892-1-2016: Plastics exposure to laboratory light sources
- ASTM D4329-2005: Fluorescent UV exposure of plastics
This UV accelerated weathering chamber simulates sunlight, rain, and dew environments to evaluate material degradation. It reproduces outdoor weathering effects through fluorescent UV lamps, condensation, and water spray systems, accelerating months or years of natural exposure into days or weeks of testing.
Applications include testing coatings, paints, plastics, rubber, automotive components, electronics, packaging materials, adhesives, and various industrial materials.
| Parameter | Specification |
|---|---|
| Chamber Dimensions | Inner: 1140×500×400mm / Outer: 1400×660×1550mm |
| Construction Material | SUS304 Stainless Steel |
| Temperature Range | RT+10℃ to 70℃ |
| Temperature Uniformity | ≤±3℃ |
| Humidity Range | ≥75%RH (condensation test) |
| UV Lamps | 8 pieces × 40W each |
| Lamp Options | UVA-340, UVB-313, or UVA-351 wavelengths |
| Irradiation Intensity | 0.35-1.2W/m² adjustable |
| Sample Capacity | 42 pieces of 75×150mm standard test pieces |
| Control System | PLC with touch screen interface |
| Water Consumption | 8 liters/day (clean or distilled water) |
| Components | Schneider (France) and Omron (Japan) |
The chamber evaluates various material degradation effects including color fading, discoloration, loss of gloss, chalking, cracking, embrittlement, strength decay, and oxidation.
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