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building materials fire resistance test furnace
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Stainless Steel Flame Spread Ability Tester For Films And Textiles 220V 30A Product introduction The flame spread tester is used to determine the ...
2024-12-09 17:09:15
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...material (Ni80 / Cr20) of resistance wire (Φ 4 mm Ni-Cr alloy wire) to 0°C~ 1000°C in 1 min, then with 1.0 N vertically burn it 30s,measure the ...
2025-07-28 00:13:28
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...material (Ni80 / Cr20) of resistance wire (Φ 4 mm Ni-Cr alloy wire) to 0°C~ 1000°C in 1 min, then with 1.0 N vertically burn it 30s,measure the ...
2025-07-28 00:13:28
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...material (Ni80 / Cr20) of resistance wire (Φ 4 mm Ni-Cr alloy wire) to 0°C~ 1000°C in 1 min, then with 1.0 N vertically burn it 30s,measure the ...
2025-07-28 00:13:28
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