Needle filter materials for medium / normal temperature
1. Materials available: polyester, polypropylene and acrylic.
2. Working temperature : below 160 Celsius degree.
3. Specialties: good air permeability, high porosity, flat & smooth surface, good resistance to
acid & alkali, good chemical properties, high dust collection efficiency ,easy dust
removal ,high durability etc.
4. Techniques used: needle punching & other finish dealing methods. (Singed, Calendaring,
Heat Setting, filming PTFE, dipping treatment of water and oil)
Needle filter materials for high temperature
1. Materials available: PPS (Ryton / Polyphenylene Sulfide),Nomex(Metamax) ,Glass Fiber,etc.
2. Working temperature: below 300Celsius degree
3. Specialties: strong acid resistance, good stability, high filtering efficiency.
4. Techniques used: needle punching & other finish dealing methods. (Singed, Calendaring,
Heat Setting, filming PTFE, dipping treatment of water and oil)
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