Qingdao Star Machine's wholesale Tap Water Filter Bag is made of deep filtration material, the material used is increased by 20% than other similar product, the particle adsorption capacity is increased by 25%, which makes it better at filtering and lasts longer. It's made with a 3mm high-strength steel ring that can handle high temperatures and won't break easily. If you go for the plastic ring option, our plastic ring mouth is made of polypropylene, which is an eco-friendly material. It doesn't have any sharp edges and is more resistant to rust. There are two types of filter bag: needle and thread sealing and hot melt sealing. Needle and thread sewing sealing is durable, while hot melt sealing has better filtration.
Fiber | Continuous Temperature | Acid Resistance | Alkali Resistance | Abrasion Resistance | Flex Resistance |
Polypropylene | 212°F (100°C) | Excellent | Excellent | Excellent | Very Good |
Acrylic | 260°F (126°C) | Good | Average | Good | Very Good |
Polyester | 275°F (135°C) | Fair | Fair | Excellent | Very Good |
PPS | 374°F (190°C) | Very Good | Very Good | Very Good | Very Good |
Aramid | 392°F (200°C) | Fair/Poor | Good | Excellent | Excellent |
P84 | 473°F( 245°C) | Good | Fair | Good | Good |
PTFE/Teflon | 500°F (260°C) | Excellent | Excellent | Fair/Poor | Good |
Fiberglass | 500°F (260°C) | Good | Fair | Average | Average |