351 - 353 of 353
dx8342a fire resistance tester
Selling leads
|
... and drop the polluted liquid (0.1% NH 4 CL) of the specified droplet volume at a fixed height (35mm) at a fixed time (30s) to evaluate the ...
2025-07-29 00:07:01
|
|
...: Conduct the test in a sealed, damp, and corrosion-resistant test chamber, with a volume not exceeding 20M3. Figure B1 is a schematic diagram of ...
2025-07-29 00:07:01
|
|
...fire source to judge the fireproof grade of plastics. Stadards: UL94 The flame retardant grades of plastics increase gradually from HB, V-2, V-1 to ...
2025-07-29 00:07:01
|