RUBBER VULCANIZING ACCELERATOR TBBS (NS)

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
12000 m.t./month

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Product Description:

RUBBER VULCANIZING ACCELERATOR TBBS(NS)

 

Chemical Name: N-Tertiarybutyl-2-benzothiazole sulfennamide
Molecular Formula:C11H14N2S2     

Molecular Weight:238.37
CAS NO. : 95-31-8
 Executive standardGB/T21840-2008
Specification: 

Item

Index 

Appearance
(Visual inspection)

White or light yellow powder, granular 

Initial M.P,oC            ≥ 

104.0

Loss on drying, %         ≤ 

0.40

Ash, %                        ≤ 

0.30

Residues on 150μm sieve, %                           ≤

0.10

Insoluble in Methanol,% ≤

1.00

Free amine,%           ≤ 

0.5


Properties: White or light yellow powder, granular. The density is 1.26-1.32. Soluble in benzene, methylene chloride, carbon tetrachloride, ethyl acetate, acetone, ethanol, dissolved gasoline, do not dissolve in water, acid, dilute alkali solution.

Application: Provides fast cure rate and high modulus development in NR, SBR, BR and blends. Normally used alone or with small quantities of ultra accelerators in tire compounds or industrial rubber products low poison and high efficiency. It is good back up for NOBS. Be regarded as standard accelerator.

Packaging: 25kg plastic woven bag, paper with plastic film bag, Kraft paper bag or jumbo bag

Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 1 year

Note: The product could be ultra fine powder based on customer accurate requirement.

 


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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 is the quality of the catalyst in the chemical reaction,and how much is the catalyst mass?
You can not calculate this question, the quality of the catalyst before and after the same reaction, how much reaction before the reaction on how much
Q:Does the catalyst slow down the chemical reaction rate?
As far as I know, depending on the definition of the catalyst to reduce the activation energy can only accelerate the reaction rate. However, some substances can reduce the rate of reaction, for example, to dilute the reaction solution to slow down the reaction rate, but slow down the general mention of the catalyst.
Q:How does the catalyst generally add to the organic chemical reaction?
In the case of heterogeneous catalysis, the specific surface of the catalyst, in addition to the activity of the catalyst, is an important factor in determining the reaction rate, which means that the specific surface for catalysis is large and the reaction is as fast as the whole. So the overall principle in understanding the activity of the premise of the catalyst, would like to quickly add a little more.
Q:why is palladium/platinum a good catalyst?
Platinum As Catalyst
Q:On the issue of chemical balance and catalyst
If the chemical equilibrium does not move, then only the catalyst can change the time to reach equilibrium. If you change the temperature, pressure, it will affect the chemical balance.
Q:The catalyst can change the chemical reaction process, why is it wrong?
No, only for the length of time
Q:What are the roles of enzymes (protein catalysts) in catalyzing biochemical reactions in the cell.?
To make it simple unlike the dude above me...enzymes (biological catalysts) lower the activation energy, which speeds up the reaction. EVERY reaction needs a little boost of energy--the activation energy--and enzymes lower that.
Q:What are the catalysts that appear in the chemistry experiment?
Oxygen Oxygen Oxygen Oxygen also used when the catalyst is manganese dioxide MnO2
Q:Why can some catalysts be reused in (chemistry)?
Because the catalyst in the chemical reaction before and after the quality and chemical properties have not changed, so in the chemical reaction can be reused.

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