What is a good filter bag?
The longitudinal suture of the filter bag must be flat, firm and must not exceed three. The stitches of a cloth bag dust collector shall not be less than two. Also, the loop stitching of the filter bag is stronger than the two.
For lower material length to be less than 10mm, the surrounding is quilted. When sewing cloth bags, the bag is not less than 15 needles every 10 centimetres, not less than 12 stitches per 10cm. Finally, in the process of sewing, the filter bag can not be damaged or leak.the diameter is greater than 20 centimeters and the length is greater than 5 meters.
However, the loop suture of the filter bag can be a single line, but it needs to be sewn more than two times.