YG(B)815S Sofa mattress flammability tester

【Scope of application】 : Test method for seat cushion and mattress ignitability using smouldering source and flaming source.

Category:

Functional testing instrument

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Functional testing instrument

YG(B)815S Sofa mattress flammability tester

Sofa mattress flammability tester

Product Description

【Scope of application】 :
Test method for seat cushion and mattress ignitability using smouldering source and flaming source.
[Related standards] :ISO 8191-1:1987; ISO 8191-2:1988; EN 1021-1:2014;
EN 1021-2:2014; BS 5852-1; BS 5852-2,etc
【 Technical parameters 】 :
1, the ambient temperature is (27±3)℃, the relative humidity is (45±25)%, the air flow rate is between (0.02 ~ 0.2)m/s;
2, all stainless steel test rack (450×300×150)mm and (450×450×300)mm each;
3, standard ignition source:

source

requirement

remark

No.0 :

Smoldering cigarette

Length: about 68mm

Diameter: about 8mm

Weight: about 1g

Smouldering rate :(2.0±3.0)min/50mm

When tested, cigarette lighting length is (5 ~ 8)mm; The distance between the test position and the nearest edge or the last position shall not be less than 50mm.

No. 1:

Butane flame

Gas flow: 25℃ (45±2)mL/min

At 20 ℃ (44 + 2) mL/min

Flame height: about 35mm

Combustion time: 20±1s

The outer diameter of the fire nozzle is (8±0.1)mm, the inner diameter is (6.5±0.1)mm, and the length is (200±5)mm. The inner diameter of the hose connecting the gas and fire nozzle is (7.0±1)mm and the length is (2.5 ~ 3.0)m. The output pressure of butane gas is about 28mbar (2.8kPa).

During the test, no. 1 fire source should be stable for at least 2min, and the distance between the test position and the nearest edge or the last position should not be less than 50mm; No. 2 and no. 3 fire sources should be stable for at least 4 minutes, and the distance between the test position and the nearest edge or last position should not be less than 100mm.

No. 2:

Butane flame

Gas flow: 25℃ (160±5)mL/min

At 20 ℃ (157 + 5 mL/min

Flame height: about 145mm

Combustion time :(40±1)s

No. 3:

Butane flame

Gas flow: at 25℃ (350±10)mL/min

At 20 ℃ (344 +) 10 mL/min

Flame height: about 240mm

Combustion time :(70±1)s