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Chemical material Coating additive matting agent ,chemical material, flatting agent, coating additive. Detailed Product Description matting agent :Terms of Payment: L/C,T/TSupply Ability: 300000 Kilogram per MonthMinimum Order: 1*20Packaging: 15kg/bag,inner liner with polyester plastic film bag, surface layer with packing in multi-ply paper bagDelivery Lead Time: 15-20daysDetailed Product DescriptionSpecifications: Silica Flatting Agent SA-230Certification: ISO ISO9001 ,ROHSFeatures :1) Profile:white micro powder a) Optimal flatting efficiency, precisely controlled process ensuring pore volume 1.8ml/g for consistent performance b) Easy adding: in the production of the coatings, it can be easily added in any process c) High film clarity: extremely high purity (99.3% SiO2 and above).It makes silica invisible in polymer films and clear lacquers. d) Optimal suspension: no hard sedimentation through long time reserving since it is treated by organic e) Well dispersed: easily dispersed in any coatings, only require the common high sped stirs by approximate line-velocity1 5000r/min, and stirring 15 - 20 minutes.2) Applications: a) Advanced furniture coatings b)coil coatings c) Leather / Synthetic Leatherd) Thin film coating, such as synthetic and natural leather, decorative materials 3) Main technicaldata: a) SiO2 content: 99.3% min. b) Oil absorption (g/100g): 270-320 c) Average particle size: centrifugal measure:2.5 micron d) Ignition loss: 4% e) PH value (5% aqueous suspension): 7 f) Surface treatment: no organic waxg)whiteness:95 Packing and storage: 1) Packing: inner liner with polyester plastic film bag, surface layer with packing in multi-ply paper bag 2) Net weight: 15kg 3) Storage: be requested storing in dry warehouse, no more than ten bags in stack height 4) The product possesses sucking dam strongly, tied bag closing after being used in order to affect quality. Notice: Although commonly it can not damage the flatting grains in the dispersion process because of the "excess" grinding, it may reduce the flatting effect and increase the viscosity if it is ball milled or tri-roller milled for a long time.