Composite bag filter media is compounded by various technical polypropylene.Not only does the material have three-dimensional net structure,but also forms rough,fine filter layers and intensive layer and embodies the integral advantage.The media adapts to demands of multilayers of filter material and gradient filtration and prolongs the life-span of the products.The product can be widely used for bag filters and panel filters in general ventilation system.

Product Performance:
1.The media are made by polypropylene of innocuity,insipidity and can be abandoned completely.
2.The filter media density is increased by degrees and more dusts can be contained which prolongs the lifespan of the product.
3.Little initial resistance and high efficiency.
4.The media uses the same appearance color for united sigh and can be identified easily.
5.The media can be made into molding filtration bag and can be disparted for usage.

Product Technical Datas:

Type	Basic W. g/m2	Thk. mm	0.38µm@85L/min-dm2		Color	Applications CRAA（EN779）
			Ressistance Pa	Efficiency %
HY-A-F5	124	3±1	20	25%	white or light yellow	F5 bag filters
HY-A-F6	136	3±1	22	30%	light green or orange	F6 bag filters
HY-A-F7	137	4±1	32	45%	pink or purple	F6~F7 bag filters
HY-A-F8	146	4±1	57	65%	yellow	F7~F8 bag filters
HY-B-F5	142	3±1	22	29%	white or light yellow	F5 bag filters
HY-B-F6	145	3±1	42	48%	light green or orange	F6 bag filters
HY-B-F7	144	4±1	53	68%	pink or purple	F7 bag filters
HY-B-F8	152	4±1	80	85%	yellow	F8 bag filters

For customer's convenience,Hengyong can supply sonic sewed filter bags,endless roll or individual bags.