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特种电线电缆 >> Flame Retardant Cable >> Flame Retardant Cable


	Product No：	71314395116
	Product Name：	Flame Retardant Cable
	Specifications：
	Products Remarks：
	Product Categories：	特种电线电缆

Product description

Flame Retardant Cable

Flame retardant electric cables

This kind of cable has the stipulated performance of fire resistance
(including combustion retardance characteristcis, smoke formation, toxicity of smoke gas).

Mark of flame retardance: ZR

Test sample of flame resistance is divided into Category A, Category B and
Category C according to Standard GB/T12666.5.

Fire retardant classification is divided into four level. Every level is divided into Category A,
Category B and Category C in terms of test sample.
Symbols of every flame retardant level are respectively listed as follows:

Level Ⅰ Category A: IA Level Ⅰ Category B: IB Level Ⅰ Category C: IC

Level Ⅱ Category A: IIA Level Ⅱ Category B: IIB Level Ⅱ Category C: IIC

Level Ⅲ Category A: IIIA Level Ⅲ Category B: IIIB Level Ⅲ Category C: IIIC

Level Ⅳ Category A: Ⅳ A or A Level Ⅳ Category B: Ⅳ B or B Level Ⅳ Category C: Ⅳ C or C

Level of Flame Retardance Performance and Technical Requirements

Item Level of Flame Resistance		Carbonization Height				Toxicity of Smoke Gas（Consistency）mg/L	Smoke Density （Minimal Light Transmittance）（%）
		Test Conditions			Technical Index
		Nonmetal Volume of Test Sample L/m	Firing Temperature ºC>	Duration of Ignition min
Level Ⅰ Fire Resistance	IA	7	815	40	≤2.5	≥12.4	≥80
	IB	3.5
	IC	1.5		20
Level Ⅱ Fire Resistance	IIA	7		40			≥60
	IIB	3.5
	IIC	1.5		20
Level Ⅲ Fire Resistance	IIIA	7		40		≥6.15	≥20
	IIIB	3.5
	IIIC	1.5		20
Level Ⅳ Fire Resistance	IVA	7		40
	IVB	3.5
	IVC	1.5		20

Note: IVA, IVB and IVC can also represent A, B and C, respectively.

Brief introduction of various cables of common specifications are as follows.


Model	Nominal Sector	Core of Conductor	Referred Outside Diameter of Finished Products mm	DC Resistance at 20℃ Ω/Km		Insulated Resistance at 70℃ or 90℃≥K Ω.M
Model	Nominal Sector	Core of Conductor	Referred Outside Diameter of Finished Products mm	Copper Core	Tinned Copper Core	Insulated Resistance at 70℃ or 90℃≥K Ω.M
ZR-BV	1	1/1.13	2.33	18.1	18.2	0.011
	1.5	1/1.38	2.78	12.1	12.2	0.011
	2.5	1/0.78	3.38	7.41	7.56	0.01
ZR-RVS	1	32/0.20	5.88	19.5	20	0.01
	1.5	48/0.20	6.88	13.3	13.7	0.009
	2.5	77/0.20	8.18	7.98	8.21	0.008
ZR-BVS	1	1/1.13	5.46	18.1	18.2	0.011
	1.5	1/1.38	6.36	12.1	12.2	0.011
	2.5	1/1.78	7.59	7.41	7.56	0.01

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