Low smoke halogen-free and fire-resistant series wire and cable
This product is used in the system of fire protection requirements, this kind of cable can prevent the spread of fire, will not produce harmful gas. 1. Product category code 1, low smoke halogen-free-WDZ2, fire resistance-NH3, low smoke halogen-free fire resistance-WDZN2, low smoke halogen-free material code-Y3, model range: all cables can be made into low smoke halogen-free type. 4. Example 1. RVVP is made into low-smoke and halogen-free type. Its models are: WDZ-RYYP2 and SYV are made into low-smoke and halogen-free type. Its models are: WDZ-SYY3 and KVV22 are made into low-smoke and halogen-free fire-resistant type. Its models are: WD
Classification:
Keyword: Low smoke halogen-free and fire-resistant series wire and cable
Product Description
This product is used in the system of fire protection requirements, this kind of cable can prevent the spread of fire, will not produce harmful gas.
1. Product category code
1. Low-smoke halogen-free-WDZ
2 、 NH
3. Low-smoke halogen-free fire-resistant-WDZN
2. Low-smoke halogen-free material code-Y
3. Model range: All cables can be made into low smoke halogen-free type.
4 Examples
1. RVVP is made into low-smoke halogen-free type, and its model is: WDZ-RYYP
2. SYV is made into low smoke and halogen-free type, and its model is WDZ-SYY
3. KVV22 is made into low smoke halogen-free fire-resistant type, and its model is WDZN-KYY22
5. Special performance of products
1. The results of the bundle combustion experiment of the finished cable can meet the requirements of GB 12666.5 and are not lower than Class B;
2, low smoke halogen-free cable combustion, PH value should be ≥ 4.3, conductivity should be ≤ 10us/min;
3, low smoke halogen-free cable should be HCL release determination, its content should be ≤ 100 mg/g;
4, low smoke halogen-free cable should be smoke density test, its light transmittance should be more than 60%;
5, fire-resistant cable should be energized combustion test, combustion temperature (750~800)℃,90min without short circuit.
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