Class A foam -- Langchao Fire

Class A foam

Product details

Technical Data

Items	Standard	Proportioning Ratio
Proportioning rate	0.3%-3%
Appearance	Lighting yellowish liquid
PH Value at 20℃	6.0-9.5
Specific gravity at 20℃	1.1 +/- 0.01 g/ml
Freezing point	-22 ℃
Surface tension (mN/m)	≤30.0
Wetting	≤20.0S	1%
25% Drainage Time at 20℃	Foam expansion 27 +/- 20%; 25%	0.50%
25% Drainage Time at 20℃	Drainage Time: 11.4min +/- 30%	0.50%
Insulation performance	Foam expansion ≥30	3%
Insulation performance	25% Drainage Time ≥20.0min	3%
Extinguishing performance for Class A fire	Foam expansion 27 +/- 20%	0.50%
	Extinguishing time ≤90.0s
	Fire-Resistance Time ≥10.0min
Addional request	Foam expansion 27+/- 20%；25%	0.50%
	Drainage Time: 10min +/- 30%	0.50%
	Foam expansion 27 +/- 20%	0.50%
	Extinguishing time ≥IIID	0.50%
Shelf life	3 years
Approval	EN1568 Part 3

Class A foam or also known as “wild fire foam”and “wetting agent”. Intended for use againstClass A fires such as wood, paper, textiles orrubber. Class A foams are blend of surfactantsthat enable strong wetting and foamingproperties. Class A foams are often intended foruse at very low concentration of 0,1 to 1%, andare formulated using environmentally favorableraw materials. In most cases Class A foams arefluorine free foams as well.