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    • Stevioside,Stevia

      CHEMaster International Inc. specializes in research and and manufacture of Stevioside,Stevia. Contact person: Edvin wang CHEMaster International Inc. Headoffice: RM1402, Doublestar Seacoase 7#, No.5 Guizhou Road, Qingdao, China 266001 Tel: 0086 532 85760913; Fax:0086 532 85761013 Email: edvin@chemaster.cn; chemaster01@yahoo.com.cn

    • Products: stevioside stevia

    • nitromethane

      Description: Product name: Nitromethane Molecular formula: CH3NO2 Molecular weight: 61.04 Physiochemical properties: Colorless transparent oily liquid, with slight aroma, relative density: (N120)1.1371, boiling point: 100.8, melting point: -28.55, refractive index: (N12)1.3819, slightly soluble in water; Can be dissolved with ethanol, ether and acetone. Inflammable, explosive, slightly toxic. Specification: 99.9%, 99.5%, 99.0% Use: Used as coating and beeswax solvent of cellulose nitrate, cellulose acetate, vinyl resin, polyacrylate; Main material for chloreopicrin; Also used as rocket propellant, medicine, dyes, insecticide, bactericide, stabilizer and gasoline additive. Packing: 225kg plastic drum, Steel drum

    • Products: nitromethane

    • High-voltage wire braided hose

      High pressure steel wire braided rubber hose CONSTRUCTION: This hose consists of an inner tube of oil synthetic rubber,three wire braid reinforcements,and an oil and weather resistant synthetic rubber cover. APPLICATIONS: Hose range suitable to carry hydraulic fluids such as glycol,mineral oils,fuels,lubricants,emulsion,hydrocarbons etc. WORKING TEMPERATURE: from-40℃up to +100 ℃ High pressure steel wire braided rubber hose CONSTRUCTION: This hose consists of an inner tube of oil synthetic rubber,a single wire braid renforcement,and an oil and weather resistant synthetic rubber cover.. APPLICATIONS: Hose range suitable to carry hydraulic fluids such as glycol,mineral oils,fuels,lubricants,emulsion,hydrocarbons etc. WORKING TEMPERATURE: from-40℃up to +100 ℃ Hose size Inside Diameter mm Outside diameter mm Reinforcement diameter mm Working Pressure MPa Burst Pressure MPa Min.Bend radius mm Weight kg/m 1-5-21 5±0.5 12.7±0.8 9.5±0.6 21 63 90 0.25 1-6-21 6±0.5 16 +1.0 11.7±0.6 20 60 100 0.34 -0.8 1-8-17.5 8±0.5 18 +1.0 13.7±0.6 17.5 52.5 115 0.42 -0.8 1-10-16 10±0.5 20 +1.0 15.7±0.6 16 48 130 0.47 -0.8 1-13-14 13±0.5 24 +1.2 19.7±0.8 14 42 180 0.64 -0.8 1-16-12 16±0.5 27 +1.2 22.7±0.8 12 36 205 0.70 -1.0 1-19-10 19±0.5 30 +1.2 25.7±0.8 10 30 240 0.84 -1.0 1-22-9 22±0.5 33 +1.2 28.7±0.8 9 27 280 0.95 -1.0 1-25-8 25±0.5 37 +1.2 32.2±0.8 8 24 300 1.09 -1.0 1-32-6 32±0.7 44 +1.5 39.2±0.8 6 18 420 1.38 -1.2 1-38-5 38±0.7 50 +1.5 45.2±0.8 5 15 500 1.80 -1.2 1-51-4 51±1.0 63 +1.5 58.2±0.8 4 15 630 2.30 -1.2 2-5-60 5±0.5 15.0±0.8 11.2±0.6 60 150 90 0.40 2-6-60 6±0.5 18 +1.0 13.5±0.6 60 150 100 0.45 -0.8 2-8-50 8±0.5 20 +1.0 15.5±0.6 50 125 115 0.62 -0.8 2-10-40 10±0.5 22 +1.0 17.5±0.6 40 100 130 0.71 -0.8 2-13-30 13±0.5 26 +1.2 21.5±0.8 30 90 180 0.93 -1.0 2-16-21 16±0.5 29 +1.2 24.5±0.8 21 63 205 1.00 -1.0 2-19-18 19±0.5 32 +1.2 27.5±0.8 18 54 240 1.23 -1.0 2-22-16 22±0.5 35 +1.2 30.5±0.8 16 48 270 1.38 -1.0 2-25-14 25±0.5 39 +1.2 34±0.8 14 42 300 1.54 -1.0 2-32-11 32±0.7 46 +1.5 41±0.8 11 33 420 1.92 -1.2 2-38-10 38±0.7 52 +1.5 42±0.8 10 30 500 2.44 -1.2 2-51-8 51±0.7 65 +1.5 60±0.8 8 24 630 3.28 -1.2 3-5-72 5±0.5 17±0.8 13.2±0.6 72 180 120 0.5 3-6-68 6±0.5 19? +1.0 15±0.6 68 170 140 0.56 -0.8 3-8-54 8±0.5 22 +1.0 17.5±0.6 54 120 160 0.83 -0.8 3-10-44 10±0.5 24 +1.0 19.5±0.6 44 110 180 0.95 -0.8 3-13-32 13±0.5 28 +1.2 23.5±0.8 32 96 240 1.22 -0.8 3-16-23 16±0.5 31 +1.2 26.5±0.8 23 69 300 1.3 -1.0 3-19-20 19±0.5 34 +1.2 29.5±0.8 20 60 330 1.62 -1.0 3-22-18 22±0.5 37 +1.2 32.5±0.8 18 54 380 1.81 -1.0 3-25-16 25±0.5 41 +1.2 36.0±0.8 16 48 400 1.99 -1.0 3-32-13 32±0.7 48 +1.5 43.0±0.8 13 39 450 2.46 -1.2 3-38-12 38±0.7 54 +1.5 49.0±0.8 12 36 500 3.08 -1.2 3-51-10 51±1.0 67 +1.5 62.0±0.8 10 30 630 3.96 3-32-13 32±0.7 46 +1.5 41±0.8 11 33 420 1.92 -1.2 3-38-12 38±0.7 52 +1.5 42±0.8 10 30 500 2.44 -1.2 3-51-10 51±0.7 65 +1.5 60±0.8 8 24 630 3.28 1-45-5 45±0.7 57 +1.5 52±0.8 5 15 600 2.04 -1.2 2-45-11 45±0.7 59 +1.5 54±0.8 11 33 630 3.08 1-64-2.5 64±1.0 75±1.5 71±0.8 2.5 3.75 770 3.00 1-76-1.5 76±1.0 88 +1.0 84±0.6 1.5 4.5 930 3.50 -0.8 1-89-1 89±1.0 103 +1.0 99±0.6 1 3 1100 4.40 -0.8 1-102-0.8 102±0.5 115 +1.0 111±0.6 0.8 2.4 1250 5.00 -0.8 2-64-5 64±0.5 79 +1.2 74±0.8 5 15 790 3.74 -0.8 2-76-4 76±0.5 92 +1.2 86±0.8 4 12 920 4.77 -1.0 2-89-3 89±0.5 106 +1.2 99±0.8 3.5 10.5 1060 5.73 -1.0 2-102-2.5 102±0.5 118 +1.2 112±0.8 3 9 1200 6.16 3-64-6 64±1 80 +1.2 75±0.8 6 18 790 4.72 -1.0 3-76-5 76±1 92 +1.2 88±0.8 5 15 960 5.69 -1.0 3-89-4 89±1 107 +1.5 101±0.8 4 12 1100 6.8 -1.2 3-102-3 102±1 120 +1.5 114±0.8 3 9 1280 7.34 -1.2 3-127-2.5 127±1 145 +1.5 139±0.8 2.5 7.5 1560 8.45 -1.2

    • Products: rubber hose rebber pipe rubber tube

    • Tennry T9850,9805,9530,8520 calcined petroleum coke

      A. adjust carbon content while blending, add it into the place below the middle part of the electric furnace along with metal furnace charge when melting down liquid steel(iron) in accordance with the requirement of carbon content, absorptivity of carbon could reach 90%-95%, during strong carburant residue shall not appear, otherwise it is easy to be wrapped in the non-waste residue and influence the absorption of carbon thereby;

    • Products: calcined petroleum coke carbon additive carburizer

    • curing agent BIPB

      CAS NO：2212-81-9 ALVINCHENYAN@YAHOO.COM BIPB：Bis(t-butylperoxy isopropyl)benzene crosslinking agent BIPB,Curing agent BIPB,rubber additives BIPB, bridging agents BIPB,unscented DCP Chemical name: Bis(t-butylperoxy isopropyl)benzene Cas N0: 2212-81-9 Usage:BIPB is a curing agent in plastics,a vulcanizing agent in rubber,such as CPE,EPDM,EVA,silicone rubber,butyl-acrylonitrile rubber.As the same crosslinking result, the amount of it's DCP's 2/3,it has advantage of its less odor in processing and the product.13875914291

    • Products: crosslinking BIPB agent

    • curing agent BIPB

      CAS NO：2212-81-9 ALVINCHENYAN@YAHOO.COM BIPB：Bis(t-butylperoxy isopropyl)benzene crosslinking agent BIPB,Curing agent BIPB,rubber additives BIPB, bridging agents BIPB,unscented DCP Chemical name: Bis(t-butylperoxy isopropyl)benzene Cas N0: 2212-81-9 Usage:BIPB is a curing agent in plastics,a vulcanizing agent in rubber,such as CPE,EPDM,EVA,silicone rubber,butyl-acrylonitrile rubber.As the same crosslinking result, the amount of it's DCP's 2/3,it has advantage of its less odor in processing and the product.13875914291

    • Products: crosslinking BIPB agent

    • Efficient environmentally friendly flame retardant TBC

      CAS NO：52434-90-9 ALVINCHENYAN@YAHOO.COM TBC：Tri(2,3-dibromopropyl)isocyanurate ALVINCHENYAN@YAHOO.COM As a new flame retardant,TBC provides highly effectiive on polyolefin,PVC,foaming polyurethane,polyphenyl alkene,ABS,unsaturated polyester,synthetic rubber and fiber.It has such characteristics as low volatility ,good compatibility,durability,light fastness,water fastness and nontoxicity.13875914291

    • Products: TBC retardant flame retardant

    • Efficient environmentally friendly flame retardant TBC

      CAS NO：52434-90-9 ALVINCHENYAN@YAHOO.COM TBC：Tri(2,3-dibromopropyl)isocyanurate ALVINCHENYAN@YAHOO.COM As a new flame retardant,TBC provides highly effectiive on polyolefin,PVC,foaming polyurethane,polyphenyl alkene,ABS,unsaturated polyester,synthetic rubber and fiber.It has such characteristics as low volatility ,good compatibility,durability,light fastness,water fastness and nontoxicity.13875914291

    • Products: TBC retardant flame retardant

    • zhongde FT5100 petroleum resin

      we manufacture petroleum resin, C5 petroleum resin, C9 petroleum resin, light color C9 petroleum resin, deep color C9 petroleum resin, if there is any need, pls free to email us by yiliazj(at)gmail(dot)com

    • Products: petroleum resin hydrocarbon resin C5 hydrocarbon resin

    • yosoo sulpher powder

      Purity: 99.9%min. Ash: 0.005%max. Carbon:0.05%max. Moisture: 0.1%max Acidity: 0.01%max. Packing:50kg net pp bag

    • Products: sulpher powder sulpher brimstone

    • Nobles fresh garlic of 2009

      1) Sizes: 5.0 - 5.5cm, 5.5 - 6.0cm, 6.0 - 6.5cm, 6.5cm and up 2) Transporting and storing temperature: -3 - 0oC 3) Supply period: a) Fresh garlic: early June to September b) Cold storing garlic: September to the next May 4) Plump shaped bulbs offer full flavored cloves that have a purplish hue 5) Shelf life is long and it can be stored for up to 9 months under proper conditions 6) Can produce wonderful flavors and havebeneficial effect of reducing bacteria, keeping heart in good condition and immunity

    • Products: pure white garlic normal white garlic garlic

    • MR R134a refrigerant R134a

      refrigerant R134a,HFC-134a now is internationally recognized as one of the main refrigerant working substances to substitute CFC-12. It does not contain the chlorine atom, give no bad effects against ozonosphere and have excellent safety performances, such as non-inflammability, non-explosive ability, non-toxicity, non-pungency, and non-corrosive ability. And it is a colorless gas under ordinary temperatures and a colorless & transparent liquid under the pressure of itself. As the substitute for CFC-12, it is often used in the refrigerating systems of auto air conditioners, commercial and industrial purposes, and as the vesicant, it is used to produce the heat-protective material made of rigid plastics, and also to prepare other mixed refrigerants, such as R404A & R407C. HFC-134a automobiles air-conditioner system are obviously superior to CFC-12 in unit refrigerantion quality and COP, It's exxhaust temperature tatio is slightly high than CFC-12, and it's relative slip temperature is 2, have a little effect on component part and circulatory system after revealing. Physical Properties Molecular formula: CH2FCF3 Boiling Point: -26.1 Critical Temperature: 101.1 Critical Pressure, Mpa: 4.05 ODP: 0 GWP: 0.29 Liquid Density, g/cm3: 1.207 Quality Specification Purity, %≥: 99.9 Moisture, ppm≤: 10 Acidity, ppm≤: 0.1 Evaporating Residue, ppm≤: 100 Appearance: Colourless, No turbid Odor: No strange stench HS Code: 29034400 Model NO.: R134a Productivity: 10000T/Year Packing: 300g/13.6kg/400kg/800kg

    • Products: refrigerant R134a refrigerant gas

    • MR R22 refrigerant gas R22,freon gas R22,freon R22,HFC-22,refrigerant R22

      Refrigerant gas R22, Physical Properties Molecular weight -- 86.48 Normal boiling point -- -40.82 Density (kg/m3), Sat. Liquid @30º C -- 1177 Critical temperature º C -- 96.15 Critical pressure MPa -- 4.75 Ozone Depletion Potential (ODP) -- 0.045 Global Warming Potential (GWP) -- 1700 Safety data: It has the characteristics of nontoxicity, odourlessness, incombustibility, non-explosiveness and good heat stability and stable chemical property. Usage: It is used in reciprocating compressor as refrigerant in air conditioning system in industry, commerce and house. It can also be used as a pesticide. Spraying agent for lacquering and in the processing of fire-extinguishing agent (1211). It is the basic raw material in the processing of polymer compound containing fluorine. Packing 800L/800kg and 400L/400kg circulating steel cylinder. 70L/40kg, 50L/22.7kg, 30L/13.6kg, 20L/12kg and 15L/10kg disposable steel cylinders. 17-20 ton special storage tank. Model NO.: R22 Productivity: 10000T/year Packing: 13.6kg/22.7kg/400kg/800kg

    • Products: freon gas R22 R22 refrigerant gas R22

    • sodium silicate

      Physical Properties Appearance = Slightly Turbid Colorles Specification: 1) sodium silicate (Neutral grade) Na2O%: 9.99~8.4 min SiO2%: 29.91~28.97min Mol ratio: 3.0-3.5 2) sodium silicate (Alkaline grade) Na2O%: 14.7~ 12.35 min SiO2%: 29.4~30.88 min

    • Products: sodium silicate silicate neutral

    • shengjing sodium silicate alkaline

      Sodium silicate has been widely used as a general purpose cement, but especially for applications involving cementing objects exposed to heat or fire. For example, sodium silicate has been provided in home first-aid kits and used in medical practice as a glue for holding human skin together at surface cuts. It has also been used as a general purpose paper cement.

    • Products: sodium silicate alkaline

    • 【CAS】 2809-21-4 　1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

      Formula C2H8O7P2 Molecular Weight: 206.02 a, product performance, this product is an organic phosphonic acid scale and corrosion inhibitor, with iron, copper, zinc and other metal ions to form a stable complex, can dissolve the metal surface of oxide. Under 250 ℃ still play a good role in corrosion and scale inhibitors in high pH, is still under the stable, not easily hydrolyzed, generally easy to decompose under the conditions of light and heat. Acid and alkali resistance, other than chlorine oxidation of organic phosphonic acid (salt) well. With water and metal ions, especially calcium ions to form chelate ring 6, thus a good scale inhibition effects and obvious dissolution with limited effect,

    • Products: Scale Inhibitor

    • DF Amino Trimethylene Phosphonic Acid

      This product has excellent chelation, low threshold inhibition and lattice distortion effects. Salt water into the dirt can prevent the formation of scale, especially calcium carbonate scale formation. ATMP in water, chemically stable, not easily hydrolyzed. Higher concentration in the water, there is a good corrosion inhibition. This product is used in thermal power plants, oil refinery cooling water, oil field water injection system. Could serve to reduce metal equipment or pipeline corrosion and scaling role. This product is used in the textile printing and dyeing industry , metal ions chelating agent can also be used for metal surface treatment agent.

    • Products: ATMP

    • Dodecyl dimethyl benzyl ammonium chloride 1227

      This product is a cationic surfactant, is a non-oxidizing bactericide, with broad-spectrum, highly effective bactericidal capacity of algae, bacteria in water can effectively control algae and slime growth and reproduction, and has a good role and the sticky mud stripping a certain degree of dispersion, infiltration, and to a certain oil, deodorizing ability and corrosion inhibition. This product is toxic, non-cumulative toxic and soluble in water, are not affected by water hardness, it is widely used in petroleum, chemical, electric power, textile and other industries cooling water systems, to control the cooling water system bacteria algae breeding pairs of sulfate-reducing bacteria are killing effects. It can be used as a textile printing and dyeing industry, Fungicides and softener, antistatic agents, emulsifiers, conditioning agents.

    • Products: 1227

    • Acrylic -2 - acrylamide -2 - AMPS Copolymer (AA / AMPS

      AA / AMPS is acrylic acid and 2 - acrylamide -2 - methyl-propanesulfonic acid (AMPS) copolymer formed. As the molecular structure contains a good scale inhibition and dispersion properties of carboxylic acid-based and strong polar sulfonic acid, can improve the tolerance of calcium, the calcium phosphate in water, calcium carbonate and zinc scale significant scale such as the role and dispersed excellent performance. With organic phosphine compound, significant synergies. Particularly suitable for high-pH, high alkalinity, high hardness of the water quality is to achieve a high concentration multiple runs one of the ideal scale inhibition and dispersion agent.

    • Products: AA-AMPS

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