Diethylene Glycol Dibenzoate DEDB Best Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 16.8
- Supply Capability:
- 8000 m.t./month
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Product performance:
Polyol Benzoate (DEDB) is colorless or pale yellow transparent oily liquid, water-insoluble, soluble in aromatic hydrocarbons, ketones and ethers, and has good compatibility withpolyvinyl chloride, ethylene - vinyl acetate copolymer, poly vinyl acetate, polymethylmethacrylate, polyvinylbutyral, nitrocellulose, and ethyl cellulose, etc.
Product application:
Polyol Benzoate(DEDB) is an environmentally friendly plasticizer with the characteristics of strong solubility, good compatibility, low volatility,resistant to oil, water, light, pollution etc. It is suitable for processing PVC flooring material, plastisol, artificial leather, cable material, soft and hard pipe, shoes material, rubber strips, synthetic rubber, and paint, printing ink, etc. It has a better plasticized effect if it is used together withDOP or DBP, and has greatly achieved the purpose of reducing cost .
Product quality index
Item | First grade | Second grade |
Chroma(APHA) ≤ | 50 | 60 |
Ester % ≥ | 99.5 | 90.0 |
Density(20°C)g/ | 1.120-1.126 | 1.172-1.78 |
Acidity(as benzene dicarbonic acid) % ≤ | 0.01 | 0.02 |
Flash Point °C ≥ | 195 | 192 |
Loss on heat(125°C,2 hours)% ≤ | 0.3 | 0.5 |
Chroma after heat treatment | 80 | 100 |
Specifications
1. Direct producer with 15 years experience
2. ISO9001:2000
3. High quality, lower price and best service
4. New plasticizer
Packaging: IBM, net weight: 1000 kg.
Our Factory:
- Q:put in a way that a freshman in high school can understand please =)
- which of the following statement apply both to enzymes and to any other catalysts: their activity is stopped by high temperature. they speed up chemical reaction. they are proteins. they are not used up during the reaction
- Q:An important property of the catalyst is that the reaction equilibrium is not changed while increasing the forward reaction rate and the reverse reaction rate. However, because the enzyme for the specificity of the substrate, is not almost every reaction by the enzyme are one way to do it.
- Enzymes, refers to the biocatalytic function of the polymer material, in the enzyme catalytic reaction system, the reactant molecules known as the substrate, the substrate catalyzed by the enzyme into another molecule. Similar to other non-biocatalysts, the enzyme changes the reaction rate by adjusting the Gibbs free energy of the chemical reaction, and most of the enzyme can increase the rate of its catalytic reaction by a million times; in fact, the enzyme is provided with another The activation energy requires a lower route so that more reactive particles produce more effective collisions to produce more kinetic energy. According to the first law of thermodynamics, the kinetic energy obtained by the collision can accelerate the reaction rate by transformation. The enzyme as a catalyst itself is not consumed in the reaction process nor does it affect the chemical equilibrium of the reaction.
- Q:How does the chemical equation calculate the quality of the catalyst?
- So the reactant mass is equal to the quality of the product, with the quality of conservation
- Q:Chemical "catalyst can speed up the chemical reaction rate of other substances," this sentence right?
- Wrong, the catalyst is divided into two kinds, one is to speed up the chemical reaction speed, and the other is the opposite
- Q:chemistry subject
- Catalyst is the substance used to enhance or reduce the speed of a reaction.. there are thousand of catalyst used..(product of one reaction may act as catalyst of another).. you can see in google
- Q:Why does the chemical and chemical properties change before and after the reaction?
- At present, the role of the catalyst has not yet fully understood. In most cases, it is believed that the catalyst itself and the reactants participate in the chemical reaction, reducing the activation energy required for the reaction. Some catalytic reactions are due to the formation of a very easy decomposition of the "intermediate", the decomposition of the catalyst to restore the original chemical composition, the original reactant becomes a product. Some catalytic reactions are due to adsorption, adsorption can only be in the catalyst surface of the most active area (called the active center) carried out. The greater the area of the active site, the greater the activity of the catalyst. Reactants such as impurities,
- Q:What is the quality of the catalyst in the chemical reaction, for example, 34.3 g before the hydrogen peroxide reaction, 32.7 g after the 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:What are the properties of the catalyst (eg, specificity)?
- The definition of a chemical reaction in the chemical reaction can change the chemical reaction rate of other substances, and its quality and chemical properties before and after the reaction did not change the material called catalyst, also known as catalyst. Catalyst in the role of chemical reaction There is also a saying that the catalyst reacts first with one of the reactants and then the two products continue to undergo a new chemical reaction under the original conditions and the reaction conditions of the catalyst reaction are more reactive than the original reaction The reaction conditions of the catalyst have been changed by the reaction of the catalyst by the reaction of the catalyst, that is, the quality and chemical properties mentioned above did not change before and after the reaction.
- Q:What is a catalyst and how does it make a reaction go faster?
- a catalyst is a substance that increases the rate of a chemical reaction, but is chemically unchanged at the end of the raction. the process is known as catalysis. calalysts work by lowering the activation energy of the reaction.
- Q:Chemistry is often said that the catalyst can change the material reaction rate, rate and speed What is the difference
- Rate refers to: the amount of time in the unit reaction, and speed, and the speed simply refers to the speed
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Diethylene Glycol Dibenzoate DEDB Best Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 16.8
- Supply Capability:
- 8000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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