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perties of powder: Testing Items Unit Testing Result Thickness (fluidized bed dipping) microns 500-800 Coverage m2 per kg 2-3 Particle size microns 250 Bulk density cm3 Properties of coating: Testing Items Unit Testing Standard Testing Result Meltingpoint °C 105 Specific gravity g/cm3 ASTM D 792 0.94-0.96 Adhesion MPa ASTM D 4541 7 Hardness Shore D ASTM D 2240 44-45 Impact resistance J ASTM B 2794 40 Vicat softeningpoint °C ASTM D 1525 70-72 Tensile strength psi(24MPa) ASTM D 638 3482 Elongation ASTM D 638 500-800% Humidity resistance hours ASTM D 2247 1000 Salt spray hours ASTM B 117 1500-2000 UV resistance (QUV) hours ASTM G 53 1500-2000 Taber abrasion mg ASTM D 4060 60-90 Flexibility (conical mandrel bend) ASTM D 522 1/8in (3.2mm), no cracks (>32%) Gloss ASTM D 523 60-80 Melt index ASTM D 1238 20 Here I list three clients: CHINA COAL RESEARCH INSTITUTESHANDONG VOLWA TUBE INDUSTRY CO., LTDSHANXI HUASHAN SHENGBANG PLASTICS CO., LTDWe main supply these items for them:1.Modified PE powder coatings in engineering and anticorrosion application.2.Double resistance PE compounds for coal mine application.3.Antistatic and Flame retardant PE compounds for coal mine application.5.Conductive and Flame retardant PE powder coating with anticorrosion property for coal mine application6.Compounds for PE pipe mark linewe have supplied thermoplastic powder coatings for expressway isolation barrier-grid since application since 2000.