RUBBER VULCANIZING ACCELERATOR NOBS (MBS)

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Tianjin
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25 m.t.
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12000 m.t./month

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Product Description:

RUBBER VULCANIZING ACCELERATOR NOBS(MBS)

Chemical NameN-Oxydiethylene-2-Benzothiazole Sulfenamide
 Molecular formula: C11H12N2S2O
 Molecular Weight:253.35
CAS NO. : 102-77-2 
Executive standardGB/T 8829-2006
Specification: 


Item 

Index

High-class products

First-class products

Acceptable end-product

Appearance
(Visual inspection)

Faint yellow or orange granules 

Initial M.P, oC        ≥ 

81.0

80.0

78.0

Loss on drying, %     ≤ 

0.40

0.50

0.50

Ash, %                    ≤ 

0.20

0.30

0.40

Insoluble in Methanol%        ≤

0.50

0.50

0.80

Free amine,%        ≤ 

0.50 

Purity,%                 ≥ 

95.0 

Properties: Faint yellow to brown lamellae. 80°C melting point.soluble benzene; carbon tetrachloride; ethyl acetate; ethanol, soluble in dichloromethane; acetone, less petrol, do not dissolve in water. Heating gradual decomposition. 

ApplicationIt'after-effect quick accelerator. Scorching time is longer and the processing safety is good.

Packing: 25kg paper bag inner with PE bag

Properties: The product should be stored in the dry and cooling place with good ventilation . The product should be avoid hot sunshine. 

 


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Q:What are the catalysts?
The relationship between it and the reaction system is as highly selective (or specific) as the relationship with the key. A catalyst does not catalyze all chemical reactions, such as manganese dioxide in the decomposition of potassium chlorate Play a catalytic role to speed up the chemical reaction rate, but the other chemical reactions do not necessarily have a catalytic effect
Q:How to write a catalyst main character?
Ways to be a catalyst: By his behaviour: - He is a good listener. People use him as a sounding board and make important decisions as a result. - He is indiscreet and inadvertently reveals people's secrets and back-sniping comments. - He is a ****-stirring gossip. - He is a home-wrecking Lothario. - He is wise and gives good advice. - He is a hooligan who ruins businesses with vandalism, costs people their jobs and ruins relationships by beating people up. - He is a manipulative, blackmailing bastard who tries to turn every woman into a prostitute and con every man out of his money. - He is a charlatan who preaches nonsense about religion, health and business investments. By effortlessly influencing other people's behaviour: - He is famous and people try to impress him wherever he goes. - He has cancer or a disabling war wound. People admire and pity him and are shocked by his PTs mood wings. - He is gay, Muslim or a suspected paedophile and people want to persecute or cure him. - He is destitute. People argue amongst themselves over whether it's because he's lazy, has bad karma or there but for the grace of God go I. - He really looks like Jesus, Buddha or Santa and the sight of him makes people contemplate their Humanist values, coming to various conclusions. Perhaps you can write about his reputation; how he earned it, how it precedes him and provokes prejudices that he sometimes confirms or disproves. Use a detached, omniscient God-narrator. (Pretend Morgan Freeman's reading the audiobook.) Alternatively perhaps he is not a catalyst but a neurotic voyeur, fascinated by the minutiae of other people's lives so that the mundane appears tumultuous. He is not influencing people but your account of the changes in people's lives are centred on his observation of them.
Q:What is the difference between an enzyme catalyst in a living body and a catalyst in chemistry?
The enzyme has a high degree of specificity
Q:The catalyst can change the chemical reaction process, why is it wrong?
The catalyst can change the chemical reaction rate
Q:When you write a chemical equation, how do you want to add "catalyst" and "?"
This is the need for your memory, write a few times, will naturally cooked
Q:CO and NO in what the role of the catalyst under the chemical reaction
2NO + 2CO = 2CO2 + N2
Q:What is the catalytic efficiency of ordinary chemical catalysts?
Different reactions, with the same catalyst, the catalytic efficiency is different. The same reaction, with different catalysts, the catalytic efficiency is also different
Q:All high school chemistry uses sulfuric acid as a catalyst for the reaction
Esterification reaction (dehydration), nitration (dehydration, concentrated nitric acid), carbonation reaction or dehydration reaction (organic matter in sulfuric acid blackening, dehydrating agent), sulfonation reaction (dehydrating agent), ethylene (dehydrating agent).
Q:What are the characteristics of the catalyst in the chemical reaction?
In simple terms: the catalyst itself is involved in the reaction, the quality of the reaction before and after the same, the ingredients do not change. The catalyst can change the rate of chemical reaction, increase the rate of reaction called catalyst, slow the inhibitor.
Q:What are the methods of catalyst characterization?
Catalyst characterization is through the physical or chemical detection test means, the structure and nature of the catalyst to give a state description, to help explain the characteristics and characteristics of the catalyst,

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