High quality Dioron troxide/CAS 1303-86-2

 Boron oxide 1303-86-2/B2O3 manufacturerProduct DescriptionEnglish name : Diboron trioxide              CAS RN: 1303-86-2               Executive standard : Enterprise standardAnother English name :  Boric oxide, Boron oxide, Boric anhydride1. Physical and chemical properties:1.1 Molecule formula :  B2O3       1.2 Molecule weight : 69.62        1.3 Melting point : 450°C1.4 Boiling point : 1860°C          1.5 Density : 1.085 gram per ml (Amorphous)  1.6 Solubility : The product can be dissolved in acid, ethanol, hot water, and slightly dissolved in cold water.1.7 Property :It is a colorless transparent crystal powder. Its surface has greasy feeling its hygroscopicity is strong and it is easy to be hydrolyzed to form boric acid. In high temperature, it can be reduced by alkali metal or magnesium to monocrystal boron, It can be completely mixed dissolved with the oxides of metal, copper, sliver, aluminum, tin, arsenic. 2. Technical indexes: 

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Boron oxide %(m/m)	≥98                ≥95
Sulfate %(m/m)	≤0.7               ≤0.7
Aluminum oxide %(m/m)	≤0.1                ≤0.1
Choride %(m/m)	≤0.1                ≤0.1
Undissolved matters in water%	≤0.02              ≤0.02
Size(through 180um)%	≤85%              ≤85%

 3. Uses: It is used as the flux in decomposition of silicates the mixing agent of semiconductor material,the additives of heatproof glassware and paint refractory. It is also used in production of alloy steel in metallurgical industry. In addition it’s used as the catalyst in organic synthesis, the additive of lubricant used in high temperature, can be also used an environmental protection. 4. Safety notes:The product is considered toxic. It will harm body’s health by swallowing, breathing in, eyes contacting, skin contacting. To bring it into contact with eyes or skin will lead to irritation. To swallow it will lead to irritating alimentary canal. To inhale it will lead to irritation of respiratory tract. The highest allowable concentration is 15mg/m3 (OSHA) in working place. Wear safety-protective glasses, dustproof gauze musk, rubber gloves during handing it. 5. Package:It is packed in the woven bag, in which should be put two strata of plastic bags, net weight 25 kg a bag. 6. Storage:It should be stored in a shady, ventilating and dry storehouse. Its shelf life is one year. It can be still used if up to standard through retest after the specified date. Should start using the product in air-drying place. When radical changes of humidity occurs, it will recrystallize and agglomerate. Should pay attention to keep away from the radical environment during storage, and ensure good package. 7. Transportation:Should avoid violent collision, rain drenching, sunning, and can’t take mixed transportation with strong oxidants during transporting.* In addition:The company could research and develop the new products according to the special demand of our clients.Packaging & Shipping Company Information FAQ1.Why  choose us?We are the manufacturer with more than 40 years history. we can supply one-stop service from sample ,development and research, order, delivery, after-sale service2.What is ur payment term?T/T in advance3.Delivery time?ASAP after your payment4.Are u manufacturer?Yes,we are manufacturer5.How are  your products? We have four word-class R&D bases  and provide you products with high quality and competitive price. 

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