Fire Retardant Wood Combustion Tester, ASTM E84 Wood Flame Spread Tester Manufacturer
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Parameters
| Description | Details |
|---|---|
| Ambient temperature | Room temperature～35℃ |
| Ambient humidity | ≤70% |
| Operating voltage | AC220 V ± 10V |
| Gas source | Natural gas, liquefied petroleum gas (customer-provided) |
| Timing accuracy | 3 min ± 0.1 s |
| Real-time temperature display | Available |
| Equipment dimensions (L×W×H) | 0.65×0.35×0.8 m |
| Equipment weight | 25 Kg |
Working conditions
1. Ambient temperature: room temperature —— 35oC
2. Ambient humidity: ≤70%
3. working voltage: AC 220±10V
4. gas source: natural gas, liquefied petroleum gas
5. timing accuracy: 3min±GA/T 42.1 Flame retardant wood burning performance test method wood stack method 0.1s
6. temperature error: 310oC≤±10oC
Specimen Preparation
1. The specimen size is 76mm×13mm×13mm, the cutting error is ±1mm, and the surface is required to be smooth and flat. Three sets of 24 pieces were prepared for each test piece.
2. The specimen is cut 0.6mm away from the longitudinal end of the wood, less than 1m long wood, and cut from the middle to both sides.
3. the specimen cut from the upper and lower sides of the width of the wood along the thickness direction parallel cut 13mm×13mm test piece two layers, and then cut 76mm along the length direction of the test piece, the remaining center part is not sampled.
4. before the test, the specimen must be at a temperature of 23±2oC, relative humidity (50±5) % of the condition, so that its quality is constant. The determination condition is the interval of 24h, the mass change of two weighing before and after each group is not more than 1%.
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