Rubber Chemcials Rubber Antioxidant NBC Model
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- Loading Port:
- Tianjin
- Payment Terms:
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- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
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NDBC (NBC)
Chemical Name:Nickel Dibutyl Dithiocarbamate
Molecular Formula:C 18 H36 N 2 S 4 Ni
Molecular Weight:467
CAS No.:13927-77-0
Specifications:
Item
| Specifications
|
Appearance
| Dark-green Power (Granules)
|
Initial Melting Point, °C Min.
| 83
|
Heat Loss , % Max.
| 0.5 |
Nickel content , %
| 12.0 - 13.0
|
Residue on 150 µm Sieve , % Max.
| 0.10 |
Residue on 63 µm Sieve , % Max.
| 0.50 |
Properties: Dark-green Power. Density is 1.26g/ cm3 . flashing point is 260°C. Soluble in chloroform, benzene and carbon bisulfide , a little soluble in acetone, insoluble in water.
Applications: Mainly use in styrene- butadience rubber, chloroprene rubber and chlorosul-fonated polyethylene rubber. Avoiding the rubber crack for the sunshine and ozone, promoting the heat-resistant of chloroprene rubber and chlorosul-fonated polyethylene rubber. In plastic industry, it can be used as stabilitant and ozone-resistant agent for high polymer materials. It has advantage of stability for polypropylene fibre , thin film and narrow belt, but it will make the products appear yellow-green color. The use level is 0.3～0.5%. NDBC is regulated for use in articles in contact with food as specified.
Packing:Coextruded paper bags lined with polyethylene film bags. Net weight 25 kg per bag.
Storage:Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.
- Q: In the chemical calculation, the quality of the catalyst should not be counted before and after the reaction
- It is not the same .. because the quality of the catalyst will not change .
- Q: Are biological enzymes harmful to humans?
- Biological enzymes through scientists more than a century of research, usually known as more than 3,000 kinds of enzymes, the current application of biological enzymes in the textile a wide range of technology, fiber modification, silk degumming, raw hemp (ramie, linen, Kenaf) degumming, dyeing and finishing of the desizing, refining, finishing and net cleaning processing, textile printing and dyeing wastewater treatment and garment processing and other aspects of the application. Enzyme technology has a unique advantage in improving dyeing and finishing processes, saving energy, reducing environmental pollution, improving product quality, adding value and developing new raw materials. At present in the textile processing using a wide range of enzyme preparations are mainly cellulase, protease, amylase, pectinase, lipase, peroxidase, laccase, glucose oxidase eight categories.
- Q: Could you tell me all the differences between those two catalysts? Thank you very much.
- One occurs in biological systems and the other is in chemical reactions. Biological catalysts are basically enzymes - proteins which regulate biochemical reactions whilst chemical catalysts act on non-biological chemical reactions and are inorganic elements or compounds.
- Q: In the catalyst and light conditions to break down the water to get the chemical equation of hydrogen
- 2H2O = (light or catalyst) 2H2 ↑ + O2 ↑
- Q: Can a catalyst react with a reactant?
- Catalysts are of different categories. There are some reactions, in which only the presence of some compound increases/decreases the rate of the reaction. In other examples, the catalyst do react with the reactants and provide a different path for the reaction. The product is formed and the catalyst is recovered. Not even a single molecule is consumed after the reaction. But if you take a sample while the reaction is going on, you might find a decrease in the concentration of the catalyst. (An example is the use of Mangnese dioxide (MnO2) in the conversion of Potassium Chlorate (KClO3) to Potassium Chloride and oxygen. The MnO2 added at the initiation of the reaction is in form of crystals and at the end of the reaction it is recovered as finely divided powder. This simply shows that MnO2 reacted with KClO3 initially and finally got detached in form of a powder.)
- Q: Will the catalyst change in the chemical reaction?
- The role of catalyst refers to the chemical reaction in the catalytic role of the reagent, of course, the catalytic effect can be divided into two kinds, one is to speed up the progress of the reaction, one is to inhibit the progress of the reaction, the specific role of the catalyst to see the actual reaction needs.
- Q: Is palladium predominantly a catalyst in chemistry?
- Palladium in the chemical mainly to do the catalyst; palladium and ruthenium, iridium, silver, gold, copper and other alloy, can improve the palladium resistivity, hardness and strength, used in the manufacture of precision resistors, jewelry and so on.
- Q: Palladium is the main catalyst in chemistry?
- Palladium in the chemical mainly to do the catalyst; palladium and ruthenium, iridium, silver, gold, copper and other alloy, can improve the palladium resistivity, hardness and strength, used in the manufacture of precision resistors, jewelry and so on. While the most common and most commercially available palladium jewelery is palladium.
- Q: Just something I've always wondered about...
- there are so much catalysts made up of transition metals. because one of the characteristics of transition metals is can be made to catalyst. one of the catalyst that is mostly used is iron fillings which is used as catalyst to make ammonia from nitrogen gas and hydrogen gas.
- Q: i keep messing up on those 2 simple things haha i would apprecaite some help.
- enzymes help biochemical reactions proceed at a faster rate than normal in a physiological system, catalysts or sometimes referred to as subunits, metals and other ligands, bind enzymes, and can have a positive and negative effect on the rate of a reaction. search them on wikipedia!
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Rubber Chemcials Rubber Antioxidant NBC Model
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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