Fine basalt combination mat of glass

The utility model relates to a fine basalt combination mat of glass, including varicosity glass fiber base cloth, basalt composite fiber layer and polytetrafluoroethylene layer, varicosity glass fiber base cloth's both sides are provided with basalt composite fiber layer, adopt acupuncture technique complex to form, be provided with the polytetrafluoroethylene layer on basalt composite fiber layer's the windward side. The utility model discloses the resistant folding endurance of varicosity glass fiber is good, size stable good, and non -deformable, so the stable performance of PP high temperature stratiform compound needled felt, filter fineness is good, and is efficient, long service life, improvement production efficiency, reduction in production cost. 本实用新型涉及种玻纤玄武岩复合毡，包括膨体玻璃纤维基布，玄武岩复合纤维层和聚四氟乙烯层；所述膨体玻璃纤维基布的两侧设置有玄武岩复合纤维层，采用针刺技术复合而成；在所述玄武岩复合纤维层的迎风面上设置有聚四氟乙烯层。本实用新型膨体玻璃纤维耐折性佳，尺寸的稳定性好，不易变形，所以PP高温层状复合针刺毡性能稳定，过滤精度好，效率高，使用寿命长，提高生产效率，降低生产成本。