The FS G-4 nonwoven filtering fabric is specifically designed for use as the filtering element in air conditioning and dust extraction units. It is classified G-4 for filtering efficiency.
The filtering fabric incorporates 100% polyester material which is bonded thermally. The nonwoven fabric has a maximum width of 1.5 m, supplied in reels with maximum reel length of 60 mb. The weight of the fabric per square meter is 240 + 20 g/m2, while its thickness is 12.0 + 2 mm. It is available in a standard white color. It displays efficiency in dust extraction to the tune of 62% when measured for "ASHTRAE" mineral dust 52/76 n with linear velocity of 104 cm/sec.
The filtration fabric displays excellent resilience to moisture and acids. It can withstand maximum temperatures of 130oC when measured with uninterrupted operating cycles.