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TDI-manufacture,factory,supplier from China
(Total 24 Products for TDI)
The toluene diisocyanate has 2,4-toluene diisocyanates and 2,6-toluene diisocyanate (TDI).
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There are two isomers of 2,4-toluene diisocyanate and 2,6-toluene diisocyanate (TDI). According to the content of the two isomers, there are three standard products in the industry: (1) TDI-65 contains 2,4-TDI65%, 2,6-TDI35%; (2) TDI-80 contains 2,4- TDI80%, 2,6-TDI20%, more common; (3) TDI-100 contains 2,4-TDI100%. Carbon dioxide occurs with water effect. Easy to work with compounds containing active hydrogen atoms. Linear polyurethane or polyurethane resin with diol effect.
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Light yellow to white granular crystals (semi-circular) white to light yellow loose crystals, heating is made black.
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Molecular weight: 65.39
Grade: 5N
MDL number: MFCD00011291
EC number: 231-175-3
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It is a solvent for a variety of coatings and a raw material for preparing dibutyl phthalate, a plasticizer. It is also used in the manufacture of butyl acrylate, butyl acetate, ethylene glycol butyl ether, as an extractant for organic synthesis intermediates and biochemical drugs, and in the manufacture of surfactants.N-butanol is a colorless, transparent and alcoholic liquid.
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The propanol, but also glycerol, chemical formula is C3H8O3, colorless, odorless, sweet, and appearance showing a clear liquid, is an organic substance, can absorb moisture from air, can also absorb hydrogen sulfide, hydrogen cyanide and sulfur dioxide .
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For diesel vehicles such as heavy trucks and passenger cars to meet the National IV emission standards, a suitable SCR system must be selected for exhaust gas treatment, and this system must use urea solution to treat nitrogen oxides in the exhaust gas. Therefore, urea solution for vehicles has become an essential product for heavy-duty trucks and passenger cars to meet the National IV emission standards.
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Potassium hydroxide is a common inorganic base with a chemical formula of KOH and a molecular weight of 56.1. It is a white powder or flake solid at room temperature.
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Zinc Borate is an environmentally friendly non -halogen flame retardant. It has the characteristics of non -toxic, low -water solubility, high heat stability, small particle size, small gravity, and good decentralization. As a high -efficiency flame retardant Rubber, coatings and other fields.
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N-butanol is an organic compound of the molecular formula C4H10O, which has a strong flame when the colorless transparent liquid is combined.
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Biphenyl is found in coal tar, crude oil and natural gas. The preparation methods of biphenyl include the chemical composition method of making biphenyl through benzene pyrolysis and the separate extraction method of making biphenyl through various coal tar fractions. The mass fraction of biphenyl in coal tar is 0.20%-0.40%, and coal tar extraction method and chemical composition method coexist.
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The molecular weight is 119.16, the melting point is -21°C, the flash point is 127°C, the freezing point is -21°C, and the refractive index is 1.4678. The viscosity (20°C) is 101 MPa·sec. The latent heat of vaporization is 519.16KJ/Kg. Colorless or light yellow viscous liquid, boiling point 247℃, soluble in water and ethanol, slightly soluble in ether. Flammable. It is non-toxic, LD504780mg/kg. It is a new solvent for selective desulfurization and decarbonization with excellent performance.
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Industrial ammonia is an aqueous solution containing 25% to 28% ammonia. Only a small part of ammonia molecules react with water to form ammonia monohydrate, which is a weak base that only exists in ammonia.
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Hydrogen Peroxide Solution is an aqueous solution of hydrogen peroxide.
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Appearance and properties: white or almost white fibrous or granular powder
Density: 1.39 g/cm3
Solubility: almost insoluble in absolute ethanol, ether, acetone; swelling in cold water into a clear or slightly dirty colloidal solution
Stability: The solid is flammable and incompatible with strong oxidants.
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It is a new solvent for selective desulfurization and decarbonization with excellent performance. It has the advantages of high selectivity, low solvent consumption, significant energy-saving effect, and non-degradability.
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Product Quality: Chemical Abstracts Number: 101-14-4
Appearance: Light yellow to white granular crystals (semi-circular) white to light yellow loose crystals, heating is made black. Microfincture.
Content: ≥ 85%
Melting point: 98-102 ° C
Dry loss: ≤0.2%
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Oxygen is a simple substance composed of oxygen. The chemical formula O2 has more vivid chemical properties, and most of the elements can react with oxygen.
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TDI is the abbreviation of toluene diisocyanate. TDI is a polycyanate widely used in industrial production. It is a polyurethane material and an important basic material. Mainly used to make flexible polyurethane foam, polyurethane elastomer, coatings, adhesives, etc.
TDI (toluene diisocyanate) is one of the commonly used polyisocyanate, and polyisocyanate is an important base material of polyurethane (PU). The TDI commonly used in the polyurethane industry is a mixture of 2,4-TDI and 2,6-TDI isomers, including three commonly used grades.
A kind of hydroperoxide decomposer that destroys the structure of peroxygen, called auxiliary antioxidant, mainly contains thioester and phosphorous acid, and is often used together with the main antioxidant.
Jinan City Operation Center Market Promotion Plan
Hydroxypropyl toluene cellulose is a commonly used building material additive, which is widely used in industry and has a wide variety of types.
Antifoaming agent refers to a substance that can reduce the surface tension of water, solution, suspension, etc., prevent the formation of foam, or reduce or eliminate the original foam. In the papermaking process, due to unreasonable sizing, poorly washed pulp, alkaline fillers used in acid systems, and various additives, foams will accumulate in the wet end of the papermaking system, resulting in the formation of foam dots on the paper.
Titanium dioxide naturally exists in titanium ores such as titanium ore and rutile. Its molecular structure gives it high brightness and covering properties, but it must first be chemically extracted and purified. More than 60 years ago, DuPont invented the chlorinated titanium dioxide production process. Compared with the old sulfuric acid process, it can manufacture high-quality pigment products while reducing environmental emissions and Chemicalbook energy consumption.
Water retaining agent (for bread, cake); Carrier solvent (for spices, pigments, water-insoluble preservatives, etc.); Thickener (used for beverages, liquor preparation, etc.) Plasticizer (candy, dessert Chemicalbook, meat products); Sweeteners. EEC regulations can be used for alcoholic beverages, candies, cakes, coating glazing, meat and cheese coating, non-alcoholic beverages, baked products, gum, gelatin sweets, etc.
Sulfonated cobalt phthalocyanine is an effective catalyst for removing mercaptan in light oil. Gasoline containing sour crude oil has a relatively high sulfur content.
Since the use of sodium nitrite in the bleach is due to its ability to form sulfur dioxide, sulfur dioxide has strong oxidation resistance, and color oxidation can be oxidized.