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This product is mainly used for rubber products and PVC plastic products as the vesicant. In the rubber, it is 3-5% in quantity and 5-15% in the plastics. It is a kind of light yellow powder with no odor, but there is formaldehyde flavor when it is moist. This product is inflammable and it can be inflammable in contact with acid or acid fog. 　This product is hardly dissolved in ether, slightly dissolve in water, alcohol, and the chloroform. It can dissolve in acetone, butanone, acetyl, acetic acid, ethyl ester and dimethylformamide. Specifications : in accordance with ministerial standards: HG2-1188-78. Specification: 1. Gas release:275-285m/g 2.Decomposing temperature:min205 degree 3.Heating decrement:mxa0.3 percent 4.Ash content: max0.2percent
HEXAMETHYLENETETRAMINE (HEXAMINE) is a white crystalline powder with slight amine odor. Applications: Vulcanizing agent and rubber blowing agent,used as a dye fixative and in the preservation of hides.Smokeless pellets. Stabilizer for oils and synthetic resin, Surface treatment,Vulcanizing rubber. Additives in deodorizing powder. Anti-corrosive agent in steel. Absorption of poisonous gases. Anti-caking agent for prilled urea. Disinfectant. Antibacterial agent. Explosives (RDX), (HMX), (HMTA).
Specification:
1. melting point: 263 degree
2. Moisture:max0.3%
3. Gas release: 275-285m/g
4. Purity: 99.5% max
5. Heating decrement: max0.3%
6. Ash content: max0.2%
7. PH: 5.5-7.0
8. Heavy metal( on Pb): max0.001%
9. Chloride( on CL): max0.015%
10. Sulphate( on SO4): max0.0.02%
11. Ammonium(on NHd4): max0.001%
Melamine is white crystal powder,it can dissolve in glycerine, pyridine, heat ethylene glycol, acetic acid and formaldehyde. It is difficult soluble in the ether, benzene and tetrachloromethane. It will sublimate when heated, heated slongly it will decomposite.
Melamine is kind of important organic chemical middle product. It condenses with formaldehyde to produce the formaldehyde resin (melamine resin), and owns the advantages of unharmful, heatproof, antiaging, high luster, good insulation and widely used in the fields of plastic processing and wood working, is also the chemical raw material of coating, papermaking, textile, paints and leather processing industry.
Usage: Mainly used to produce melamine-formaldehyde resin. It also could be used for decorating plates, amino-plastic, coherent agent, intensifier of paper currency, textile assistant, water-saving agent of cement and leather tanning agent, etc.
Packaging:25kg bag, 500kg bag, 1000kg bag, compound knitting bags of Kraft paper bags and also can be packed according to clients\' requirement.
Storage:It should be kept dry,shored in cool and well ventilated place,avoiding to be stored and transported with acid and oxidant togehter.
Quality standard:GB/T9567-1997
This kind of phenolic resin catered to customers who are into Foundry .The product is as follows:used little,gased low,fixed fast,stored easily,advanced in the home. For sand casting mold Specification: PF-1904 Color:yellow softening point: 86 degree polymerizing time /S: 60 PF-9030 Color: yellow softening point: 89 degree polymerizing time /S: 69 PF-9082 Color: yellow softening point: 88 degree polymerizing time /S:41 Packing: By paper plastic bags with one plastic bag inside: 40kg/bag Storage: kept in dry, ventilated conditions. 6 months shelf life under 25℃
