RUBBER VULCANIZING ACCELERATOR ZDBC (BZ)

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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 ZDBC (BZ)

Chemical Name: Zinc dibutyl dithiocarbamate
Molecular Formula: C18H36N2S4Zn         

 Molecular Weight: 474.1
CAS NO. : 136-23-2
Executive standardQ/ZYCH6-2003 
Specification:


Item 

Index

Acceptable end-product

Appearance
(Visual inspection)

white powder

Initial M.P, oC            ≥ 

180.0

Loss on drying, %      ≤ 

0.50

Ash, %                       ≤ 

10-12

Residues on 150μm sieve%     ≤

0.50

Properties: White powder. The density is 1.24. Soluble in carbon sulfide. benzene, chloroform, insoluble in water. Good storage stability.

Application: Used for primary or secondary ultra-accelerator in NR. IR, BR, SBR, NBR, HR. EPDM, and their latexes. Similar in property to PZ and EZ. less accelerating effects than PZ and EZ to dry rubber. Effectively used in both natural and synthetic latexes for faster curing at normal (low) temperature than with PZ and EZ, and less scorching and blooming

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 2year.

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

RUBBER VULCANIZING ACCELERATOR ZDBC (BZ)

 


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Q:why are catalysts never used up during reactons?
MAD = Mutual certain Destruction you could injury us, of direction. yet you could no longer injury us till now we, even from the grave injury you too. we can be lifeless, we understand that. yet you will no longer stay to confirm and revel in it. what would be left of the two one human beings will ought to combat the subsequent war with sticks and stones. 3 skill of dropping the bomb: by skill of airplane, by skill of submarine launch and by skill of ICBM Inter Continental Ballistic Missile. As the two events found out war exchange into certain destruction, neither fairly needed that. We have been given fairly near to nuclear war, exceedingly throughout the Cuba disaster. yet provided that a nuclear war might propose the certain finished destruction of and the U.S. and the u . s . and West + East Europe, it must be prevented. in assessment to on the instant. have been non secular fans already have the bomb (Pakistan) or very near to construct one (Iran) and don't care a rattling concerning the outcomes. Allah will supply! (them with seventy two virgins each and each)
Q:explain how a catalyst can affect the rate of reaction but not be in the overall equation.?
Catalysts act to increase the rate of reaction, for example by providing an alternative reaction pathway which lowers the activation energy of the reaction i.e. increasing the likelihood of successful collisions between the reactants. However, they are not used up during the course of the reaction, and at the end you have exactly the same mass of catalyst as you started with, unlike the reactant(s), which will be used up to form product(s). So, the overall equation of the reaction does not include the catalyst because it only needs to show the substances which are used up or formed during the course of the reaction i.e. the reactants and products.
Q:Is there a catalyst for a chemical reaction?
There may be many, but some of the catalytic effect of the catalyst is good, and perhaps some of the catalyst has not been found
Q:Carbon monoxide and nitrogen dioxide in the catalyst conditions of the chemical equation
Can not react
Q:In the chemical reaction, the rate of decomposition reaction is related to the quality of the catalyst?
There are relationships
Q:Does the catalyst slow down the chemical reaction rate?
The role of the catalyst is to change the activation energy to achieve the purpose of changing the reaction rate, there is a rate of response to speed up the rate of slow response
Q:give an example of how a catalysts speeds up the rate of reaction?? thank you!!?
Catalysts speed up a reaction, but at the end of it, it's chemically unchanged. You usually have the same mass at the end of the reaction. For example.. Consider the decomposition of Hydrogen Peroxide: 2H2O2 -2H2O + O2 I hope you got how to represent it =D So.. This reaction is very slow. You can try it out in the lab. So when we add a catalyst, the reaction speeds up. The catalyst used here is MnO2.. Manganese dioxide. Well.. The Enzymes in our body are also Catalysts. They speed up the Biological Reactions taking place inside out body. I hope this answers your question. :) Cheers
Q:The quality and nature of the catalyst before and after the chemical reaction did not change this sentence wrong?
The quality and nature of the catalyst are not changed before and after the chemical reaction ... 7604
Q:Question about catalysts and their function.?
Catalysts, as enzymes, only change the activation energy (the energy the compound needs to gain to transform into products), they don't change the Gibbs energy values of reactants nor products. Therefore, if the delta G of the reaction is positive, it'll still need free energy to complete. They make a reaction complete faster than in normal conditions, but don't change the actual possibility for that reaction to happen. In the human body, a lot of reactions of catabolism have a positive G value and these reactions needs to get energy from other coupled reactions that have a negative value, so the total value is still negative. Many of them use hydrolysis of ATP to provide that energy, as its hydrolysis is about -30 kJ/mol in physiological conditions. I don't know what class you're in to ask this question, so can't really know if this answer is too simple or complicated for u... sorry in advance! Joël
Q:In the chemical calculation, the quality of the catalyst should not be counted before and after the reaction
Half is not easy to save trouble

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