Rubber Chemcials Rubber Antioxidant 6PPD 4020

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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:

6PPD 4020

 Chemical Name:N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine

Molecular FormulaC18H24N2
Molecular Weight:268.40 
CAS NO.793-24-8
Executive standard:HG/T 3644-1999
Specification: 


Item

Index 


Acceptable end-product

Appearance


Grayish brown to brown granules

Soften Point,℃ ≥

45.0

Loss on drying,% 

0.50

Ash,% ≤ 

0.15

AssayGC%  

96.0

Solidifying Point,℃≥

45.5


Properties: Dark brown to dark violet pastilles relative density of 0.986-1.00. Soluble benzene, acetone, ethyl acetate, toluene dichloromethane and slightly soluble in ether, do not dissolve in water. Provides powerful and antioxidant properties with excellent high temperature and flex resistance to rubber compounds.

Applications:Include the use in pneumatic,solidtires,beles,hoses,cables,bushings,automotive mounts and general mechanical products that are exposed to continuous and intermittent dynamic operating conditionsand and require protection from coronations.

Packing:Packed in 20kg per bags.

 

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 is a chemical catalyst?
A substance that participates in chemical reactions but does not change the quality and chemical properties. It can change the reactant activation energy, speed up or slow down the reaction rate.
Q:Could God be Discribed as a Catalyst?
Whether we agree with them or not, many people are driven by concept of god(even those trying to disprove god). So, yes, at least in part, 1 could describe god as a catalyst.
Q:Chemical reaction in the presence of catalyst for the reaction are carried out a high life
Some reactions require some of the catalyst that is not needed
Q:catalysts used in the industry :D?
i will tell you the hydrogen and carbonmonixide production in indsutry they will use alumina based nickel catalyst for adsorption of gases, at high temperature it will breaks as small molecules like hydrogen, co2, co,ch4, after they will separate them using carbon molecular seives as catalyst. another catalyst for hydrogenation of double bond is copper chromate for sulphur removal from disel and petrol they will use COMOX ( copper and molybdinum catalyst ) after then pass through zinc sulfide with hydrogen gas , the sulfur will removed as a hydrogen sulfide.
Q:About chemical catalysts
The role of the catalyst is to change the reaction rate of the chemical reaction, which itself does not participate in the reaction! The
Q:What are the chemical reaction conditions in organic chemistry are catalyst and heating, please elaborate
This really does not have omnipotent law, their own more than one point, you can classify to remember, when I was in high school is in accordance with the notes, such as poly, polycondensation and the like. In general, the double triple bond addition, plus halogen is not the conditions, plus HCl, HBr and the like to heat; dehydration reaction generally concentrated H2SO4 heating, dehydration condensation is also; there are some special, such as ethylene added to ethanol Special temperature requirements, it seems that 120 degrees, there are other; other addition poly, polycondensation some need catalyst. The The In short, the conditions are many, in general, you do not go to the high school to do more questions after the feeling, encounter problems do not panic general experience can come out according to experience, this also depends on the usual accumulation, if the equation conditions Wrong to deduct points, it is not worthwhile. There are some questions when the examination will give you some information, whether you know do not know should see clearly, although some of the reaction but the subject to the conditions are not the same, when you do according to the title to write conditions, this will not wrong. In addition, thank you for your help, I do not seem to know you
Q:Effect of catalysts on reaction rate??
A catalyst lowers the activation energy (the minimum amount of energy needed for a reaction to take place). This means that the particles can react with less energy than they needed before the catalyst was added. (Think about it: if the government lowered the legal age to buy cigarettes, then more people could legally buy cigarettes. Similarly, if we lower the amount of energy needed for particles to react, then more particles can react). Also, a catalyst provides a surface on which the reaction can take place. This increases the number of collisions between the particles of the substances that are reacting.
Q:What happens to the rate of a reaction when the concentration of a catalyst is doubled?
A catalyst speeds up a chemical reaction by providing an alternate reaction pathway with a lower activation energy, thus increasing the number of collisions that can result in the formation of product. When the catalyst is a reactant in the rate determining step, and the reaction is first order in the catalyst, then a doubling of the concentration will double the rate. But if the rate determining step which includes the catalyst is not first order, then doubling the concentration won't double the rate. Then there is the case of a heterogeneous catalyst in which the reaction is essentially zero order in the catalyst. The amount of catalyst won't affect the speed of the reaction beyond the initial increase. The mere fact that the catalyst is present speeds up the reaction.
Q:What is the superiority of the catalyst compared to the stoichiometric reagent?
Activity adjustable: including inhibitors and activator regulation, feedback inhibition regulation, covalent modification and allosteric regulation.
Q:What is a catalyst?
The catalyst itself reduces the energy barrier (Ea, activation energy) of the chemical reaction, making the reaction easier.

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