Coating process: powder coating detection process

Core tip: performance test method of powder coating before film forming 1 Particle size distribution ISO 8130-1:1992 determination of particle size distribution by sieving 2 Test method for apparent density of moulding plastics (GB 1636-1979) 3 Powder flowability GB 6554-2003 determination of flowability 4 Powder fluidity ISO 8130-5:1992 method for the determination of the fluidity of powder / air mixtures 5 Softening temperature GB 6554-2003 Kevlar heat Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Home of coatings: Test Method for properties of powder coatings before film formation 1 Particle size distribution ISO 8130-1:1992 Determination of particle size distribution by sieving 2 Apparent density GB 1636-1979 Test method for apparent density of moulding plastics 3 Determination of powder flowability GB 6554-2003 4 Determination of powder fluidity ISO 8130-5:1992 Determination of powder / air mixture flow dynamics 5 Softening temperature GB 6554-2003 kover hot plate method 6 Gelation time GB / T 16995-1997 determination of gelation time of thermosetting powder coatings at a given temperature 7 Nonvolatile content GB 6554-2003 determination of nonvolatile content 8 Melting fluidity ISO 8130-11:1997 determination of fluidity of inclined plate (specific content is not available) test method for performance of powder coatings after film formation 1 Impact strength GB 1732-93 determination of film impact resistance (specific content is not available) 2 Hardness GB / T 6739-1996 pencil determination of film hardness 3 Cross cut test GB / T 9286-1999 cross cut test of paints and varnishes 4 Cup test GB 9753-88 cup test of paints and varnishes 5 Bending resistance GB / T 6742-86 film bending test (cylindrical shaft) 6 Test method for corner coverage GB 6554-2003 7 Gloss GB / T 9754-1988 paints and varnishes - Determination of 20 °, 60 ° and 85 ° specular gloss of paint film elements without metallic pigments 8 Test method for porosity (uniformity test) GB 6554-2003 9 Abrasion test GB 1768-79 10 Chemical resistance GB 6554-2003 chemical resistance test factory powder coating routine test item table test content technical standard test result test instrument appearance allows slight orange peel qualified visual particle size 20 ~ 90 μ m > 95% laser particle size distribution instrument fluidization state boiling state good fluidization instrument gloss high gloss (90 ± 5)% qualified gloss instrument adhesion GB / t9286-86 0 level grid impact test Gb1732-93 qualified impact tester bending test (tapered shaft) GB / t1185-88 coating crack free bender cup protrusion GB / 9753-88 qualified ericjsen tester pencil hardness GB / t6739 ≥ h Zhonghua h pencil all mechanical property tests are conducted with degreased iron phosphide test sample Under the laboratory condition of film thickness of 50-80 μ m, the home of finished coatings focuses on coating, diatom mud, paint coating, coating technology, News and information of fire retardant coating, coating, diatom mud, paint coating, coating technology, decoration knowledge and decoration effect map of fire retardant coating,