1.anti-aging,waterproofing, 2.corrosion resistance, high strength, 3.wear resistance, 4.low temperature. . ... for dust collector Detailed Product Description;;1.anti-aging,waterproofing, 2.corrosion resistance, high strength, 3.wear resistance, low temperature ... index by the supply and demand sides through consultation. Note 2: Section 5, such as determination of when the sample is difficult ...