Filter media, meltblown, composite materials, spun bond non woven, PP spun bond non woven, PET non woven, needle punch, thermal bond, felt, acoustic panel, stitch bond, spunlace, chemical bond, ultrasonic composite, hot melt adhesive compound, etc.

Product Performance Table
Manufacturer	Granduse	Product Name	Activated carbon filter media	Model	HDFK550M	Date	April 25, 2022
Serial No.	project Item	Unit	TDS	Actual Measured Value		Reference Standard
1	Basis Weight	g/㎡	550±8%	550		ISO9073-1
				542
				558
2	Thickness	mm	1.3±0.1	1.25		ISO9073-2
				1.3
				1.33
3	Pressure Drop	Pa	≤15	12		ISO16900-3 (32L/min5.33cm/s) (TSI8130A/8130)
				10
				13
4	Filter Efficiency	%	≥60	75		ISO16900-3 (32L/min5.33cm/s) (TSI8130A/8130)
				78
				72
5	Ventilation Permeability	L/㎡.S	≥700	850		ISO9273 200Pa, 20cm²
				874
				826

Yellow long-fiber carbon cloth