ASTM D635 Paper Flammability Tester Manufacturer
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Whats/App: +86 156 1874 6768
Web: standard-groups.com
E-mail：info@standard-groups。com
Parameters
| Description | Details |
|---|---|
| Ambient temperature | -10℃——30℃ |
| Relative humidity | < 85% |
| Power supply voltage and power | 220V ± 10%, 50HZ, power less than 100W |
| Control and display | MCU control, digital display automatic timing |
| Manual ignition Bunsen burner flame time | 12s, accuracy 0.01s |
| Afterflame, afterglow time | Maximum 0 - 99M99S |
| Inner diameter of Bunsen burner | 10mm and 0.2mm |
| Tilt range of Bunsen burner | 0 - 45° (8 gears, 5° per gear) |
| Blue flame height of Bunsen burner | 15mm - 175mm adjustable, with flame height scale |
| Automatic ignition time of Bunsen burner | Arbitrarily settable |
| Digital display | Continued flame, burning flame time |
| Gas source | Liquefied propane, purity > 95% |
| Appearance size | 670x300x800mm |
| Style size | 210mmx70mm |
| Weight of the instrument | 40kg |
Main components list:
1. Housing: 1 unit
2. Sample holder: 1 set
3. Drip tray: 1 piece
4. Power cord: 1 piece
5. Rubber tube: 1 piece
6. Flame ruler: 1 piece
7. Instruction manual: 1 copy
8. Certificate of conformity: 1 piece
Test Procedures
Sample preparation: Cut a sample of the standard size (e.g., 21cm × 7cm).
Sample fixing: Secure the sample vertically in the sample holder of the combustion chamber.
Flame adjustment: Use a Bunsen burner or other ignition device to adjust the flame length to the specified value (e.g., 4cm).
Ignition test: Ignite one end of the sample with the adjusted flame, and remove the flame after the specified time (e.g., 12 seconds).
Observation and recording: Measure the afterglow time and the length of charring on the paper strip. Shorter afterglow time and shorter charring length indicate better flame retardant paper.
Result determination: Determine whether the sample is qualified according to the standard (e.g., an average charring length < 11.5cm is considered acceptable).
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