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TIANJIN YINHEmetaL CHEMICAL CO.,LTD

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Zinc Powder

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CompanyInfo
TIANJIN YINHE metaL CHEMICAL CO.,LTD is located in the beautifulCoastal city Tianjin.We are a modern Group company with widevision,super quality and high standard production lines since2005. 
    We take quality control as a key to everdevelopment and all process is conducted under professionalstandards and international standards.Our main activity covers theproduction of zinc wire,zinc ball,zinc powder,zinc bar,zincingot,aluminum ingot,aluminum wire,aluminum strips,aluminumpill,lead in...
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• Year Company Registered:2012-04-02
• Total No. of Staff: 51 – 100People
• OEM Services Provided: NO
• Payment Terms: T/T, L/C
• Business Type: Manufacturer, TradingCompany
• Main ExportMarkets:Eastern Europe, South America,Southeast Asia, Eastern Asia, Mid East, Africa
• Competitive Advantage: We takequality control as a key to ever development and all process isconducted under professional standards and internationalstandards.Our main activity covers the production of zinc wire,zincball,zinc powder,zinc bar,zinc ingot,aluminum ingot,aluminumwire,aluminum strips,aluminum pill,lead ingot,tin ingot, and copperingot.The annual output of key products:zinc ingot 7500MT,aluminumingot5000MT,zinc granule 2500MT,zinc powder 8000MT

Product Name: ZincPowder        
Click here: Productive technology of zinc powder

English Name:	Zinc powder
Molecular Formula:	Zn
Molecular Weight:	65.38
Physical Property:	Light grey fine metallic powder
Chemical Property:	Insoluble in water, soluble in acid and alkali, and slowlysoluble in acetic acid and ammonia water. Strong reducibility,producing hydrogen when reacting with acid and alkali. Caking whenaffected by damp, stable in dry air, producing white subcarbonatewhich covers the surface in damp air. When burning in the air, itproduces blue-green flame, and produces zinc oxide. Zinc powderwith high purity reacts slowly with sulfuric acid and nitric acid,and the reaction speeds up when it contains other metals such assteel, tin and lead.

Technical Indexes
Item / Specification	Chemical Composition					Particle Size
	Whole Zinc(%)	metallic Zinc(%)	Lead(%)	Ferrum(%)	Cadmium(%)	MeanParticleSize μm	MaximumParticleSizeμm	Screenings(%)
2,000 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1	≤2	≤6.5	≤0.1
1,500 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1	≤3	≤8	≤0.1
800 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1	≤5	≤15	≤0.1
600 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1	≤6	≤22	≤0.1
500 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1	≤7	≤25	≤0.1
400 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1	≤8	≤38	≤0.1
325 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1	≤9	≤45	≤0.1
200 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1			≤0.1
120 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1			≤0.1
80 meshes	≥98	≥96	≤0.1	≤0.05	≤0.1			≤0.1

Product Features: Our highly-active zinc powder features highcontent of metallic zinc, low content of other impurity elements,smooth particle surface, big specific surface area, low apparentdensity, little surface oxidation, seldom fusion, transformationand grape-shaped particle adhesion. The total content of zinc isabove 99% and the content of metallic zinc is above 97%.

Grade	Chemical Composition
	Whole Zinc(%)	metallic Zinc(%)	Lead(%)	Ferrum (%)	Cadmium(%)	Matters Insoluble in Acid(%)
Grade Ⅰ	≥99.5	≥98.0	≤0.005	≤0.003	≤0.008	≤0.05
Grade Ⅱ	≥99.3	≥97.5	≤0.01	≤0.003	≤0.009	≤0.07
Grade Ⅲ	≥99.0	≥97.0	≤0.01	≤0.003	≤0.01
Product Application
Chemical industry production: It can be applied as reducingagent in the production of sodium hydrosulfite, lithopone,rongalite (sodium formaldehyde sulfoxylate) and dye intermediate.The dosage is big and the mean particle size is 10-12μm, slightlybigger than that of zinc powder for coatings.
Zinc anticorrosive paint production: Theanticorrosion of steel components is the main application ofmetallic zinc, and ways of coating include hot dip, electroplating,thermal spraying, zinc-rich coatings and powder plating, of whichhot dip is the main way. Zinc-rich coatings are mainly applied forlarge components for which hot dip and electroplating are notsuitable, such as large outdoor steel structures (oceaneering,bridges, pipelines, highway guardrails, etc.), ships andcontainers. Zinc-rich coatings can be divided into organiczinc-rich coatings and inorganic zinc-rich coatings based on thedifference of film forming material. Organic zinc-rich coatingsusually take epoxy ester, epoxy resin, chlorinated rubber, vinylresin and polyurethane resin as the film forming material and thecontent of zinc powder in dry film reaches up to 85% -92%.Inorganic zinc-rich paints take water lithium silicate, waterpotassium silicate, ethyl orthosilicate or cement paste asmaterial, and the content of zinc powder in dry film reaches 92%.The mean particle size of zinc powders for coatings purposeconsists of two specifications: 2-3μm and 5-7μm. The powders aredistributed in narrow fraction and they have gooddispersibility.
Mechanical plating and diffusion coating zincproduction: It is mainly used for mechanical plating zincproduction for screws, nails, iron wire, shooting nails, etc. Ourcompany produces refined zinc powders applied in mechanical zincplating production, combined mechanism with air flow speedmulti-grade granularity (300-1500 meshes) including mainspecifications of 5#, 6#, 8# and 10#, which suit mechanical zincplating production technology at different levels of technicalstandard requirements and ensure smooth film. Besides, our specialzinc powders suitable for diffusion coating technology requirementhave features like uniform size distribution and difficultoxidation in use.
Hydrometallurgy: It is applied in solutionpurification and metal replacement and recovery, such as refineryof gold, silver and non-ferrous metals.
Medicine and pesticide: Zinc powder can be appliedas reducing agent in production of salicylic acid, indomethacin,aminopyrine and others. and be applied as raw material inproduction of zineb, zinc phosphide, chrysanthemic enzymespesticides with high efficiency and low toxicity, etc.
Others
Package:		Packaging with steel barrel and woven bag withlining of plastic bags; the net weight for each barrel (bag) is 50kg, or is subject to customer requirement.
Transportation & Storage		1. The transportation of zinc powder should be moistureproofand fireproof, andavoid collision and dropping. 2. Zinc powder should be stored in a ventilated, dry andfireproof storeroom.