Chengdu FuYuan 45 ° textile fabric flame retardant performance tester is finally determined parameters
1. The scope of application:
A method suitable for textile fabric in 45 ° state of damaged area and the damaged length determination, B method applied to textiles in 45 ° state when heat fused to A specified length in contact with the determination of the number of flame.
2. The standard
In line with the GB/T14645-1993 "textile fabric combustion performance of 45 ° direction damaged area and the contact number of determination"
3. The main technical parameters
Combustion chamber: 3.1 330 mm deep x360 x600mm wide, before the window, roof and side is equipped with vent, USES the high quality stainless steel
3.2 test clip: composed of stainless steel, A method of sample clamp holder: consists of two pieces of thick 2.0 mm, 490 mm and 230 mm wide; Method B sample bearing spiral ring: 0.5 hard stainless steel round into 10 mm diameter, length of 150 mm, line and line spacing for 2 mm coil.
3.3 the power supply voltage and power: 220 v + 10%, 50 hz, 100 w;
3.4 source: industrial-grade methane gas or other fuel gases, air purity: 95%;
3.5 igniter: small igniter: inner diameter 6.4 mm, length is 165 mm, the flame height: 45 mm; Large igniter: inner diameter 20 mm, 160 mm in length, the flame height: 65 mm;
3.6 timing device: combustion time, stop time, 99.99 s resolution: 0.01 s