Features: has good chemic stability, endure the erosion of common chemicals, possesses good air-tightness, fire retardance, water-tightness and grinding resistance.

• 具有良好的化学稳定性,能抗耐一般化学药品的侵蚀。具有良好的气密性、耐燃性、耐水性和耐磨性。