Rubber Chemcials Rubber Antioxidant 6PPD 4020

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Tianjin
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25 m.t.
Supply Capability:
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 are catalysts and enzymes?
A catalyst is a substance which is used to increase or decrease the rate of a reaction, without itself undergoing any chemical change. There are two types of catalysts, positive and negative. Positive catalysts are used to increase the rate of a reaction while negative catalysts are used to decreasing the rate of a reaction. Enzymes are proteins which act as catalysts in biochemical reactions. They operate between a certain pH level and temperature. If there is a change in pH level or temperature, their efficiency decreases.
Q:Is it not the rate to accelerate the addition of the catalyst to the catalyst, and that is why the balance does not move
In the chemical equilibrium, after adding the catalyst, the positive and negative reaction rate increases equally, but the positive reaction rate is still equal to the reverse reaction rate, so the balance does not move
Q:catalyst efficiency low bank 1?
DTC P0430 Catalyst System Low Efficiency Bank 2 Circuit Description In order to maintain a reasonably low emissions of Hydrocarbons (HC), Carbon Monoxide (CO), and Oxides of Nitrogen (NOx), the engine controls system uses a three-way catalytic converter. The catalyst within the converter promotes a chemical reaction which oxidizes the HC and CO present in the exhaust gas. This reaction converts them into harmless water vapor and Carbon Dioxide. The catalyst also reduces NOx, converting it to Nitrogen.
Q:give an example of how a catalysts speeds up the rate of reaction?? thank you!!?
I like the hydrogen peroxide answer, but I just ran out of MnO2 at my house, I guess I will just have to pour some H2O2 into the small cut I have. The bubbles you see are oxygen gas which is formed by the decomposition of the H2O2 catalyzed by the peroxidase enzyme in your blood.
Q:PT / AL_203 catalyst and the main chemical use
Yueyang Eagle Hill Petrochemical Plant
Q:The chemical reaction equation of methanol heating and oxygen in the presence of catalyst
2CH3OH + O2 === 2HCHO + 2H2O
Q:Could God be Discribed as a Catalyst?
it is my understanding that a Catalyst will bring something together that is already created. God on the other hand, according to Judeo-Christian Theology, he didn't just bring it together, he created it. plus, if the Judeo-Christian God did exist, we would have to assume (because of archaeological and scientific evidence) that He is the God of the Bible and that he does play a role in the same of things.
Q:Chemical equation if there is a catalyst and heating, which write in the equal sign above
At the same time, the catalyst is heated
Q:how do catalysts help in green chemistry?
Catalysts reduce the energy barrier for reactions, meaning they require less energy to make the forward reaction go. This means less heat, light, or other energy sources are required to perform the same reaction without a catalyst. Also, by definition, a catalyst is not consumed in a reaction and can therefore be recycled many many times before replacement is necessary.
Q:How are a catalyst and an intermediate similar? How are they different?
A catalyst speeds up the rate of a reaction by lowering the activation energy barrier which is, presumably, the energy required to achieve the reaction intermediate. Catalysts are also not consumed in the reaction, they are regenerated towards the end. A reaction intermediate is a configuration that a molecule takes prior to achieving it's lowest energy form which would signify the end of the reaction. Intermediate usually are hard to isolate because of the incentive to go to the most stable configuration. How are they different? A catalyst is not a part of the reaction product and it doesn't get consumed. An intermediate in a reaction is transformed into the product. How are they similar? Well, catalysts drive the reaction and make it easier for the reaction for follow through. Since intermediates are high energy and thermodynamics tells us that low energy is favorable, the incentive for a high energy intermediate to drive down to it's stable for can also drive a reaction. I hope that helps. I hope it makes sense.

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