Amine-terminated polyether Zhengda® zd-1200 Zhengda® zd-1200 amine-terminated polyether is characterized by repeating oxypropylene units in the backbone. As shown by the representative structure, zhengda® zd-1200 amine-terminated polyether is a difunctional, primary amine with average molecular weight of about 2000. The primary amine groups are located on secondary carbon atoms at the end of the aliphatic polyether chains. Applications Key ingredient in the formulation of polyurea and rim Co-reactant in epoxy systems which require increased flexibility and toughness Benefits Low viscosity, color and vapor pressure Improved flexibility from high molecular weight polyether backbone Increases peel strength Sales specifications Typical property specifications Appearance colorless to pale yellow liquid Color, pt-co 25max. Primary amine, % of total amine 95 min. Total amine, meq/g 0.93 – 1.05 Water, wt% 0.25 max. Additional information Typical physical properties Ahew (amine hydrogen equivalent wt.), g/eq 514 flash point, pmcc, °c (°f) 185 (365) Equivalent wt. With isocyanates, g/eq 1030 ph, 5% aqueous solution 10.5 Viscosity, cst, 25°c (77°f) 248 refractive index, nd20 1.4514 Density, g/ml (lb/gal), 25°c 0.991 (8.26) vapor pressure, mm hg/°c 0.93/235 Cas number 9046-10-0 4.95/254 Products packaged/shipped Drum 200 kgs net wt. Iso tank appro. 23, 000.00 kgs net wt. Ibc 1000 kgs net wt.
Amine-terminated polyether Zhengda® zt-143 Zhengda® zt-143 amine-terminated polyether is characterized by repeating oxypropylene units in the backbone.As shown by the structure, zhengda® zt-143 is a trifunctional primary amine having an average molecular weight of approximately 440. Its amine groups are located on secondary carbon atoms at the ends of aliphatic polyether chains. Applications Epoxy curing agent Anti-sag agent for polyurethanes Benefits Low color and vapor pressure Completely miscible with a wide variety of solvents, including water Improves flexibility and strength Sales specifications Property specifications Appearance colorless to pale yellow with slight haze Color, pt-co 50max. Primary amine, % of total amine 90 min. Total amine, meq/g 6.1 – 6.8 Water, wt% 0.25 max. Additional information Ph, 5% aqueous solution 11.6 ahew (amine hydrogen equivalent wt.), g/eq 81 Refractiveindex, nd20 1.46 viscosity, cst, 25°c (77°f) 72 Vapor pressure, mmhg/°c 1/181 density, g/ml (lb/gal), 25°c 0.978 (8.12) 5/207 flash point, pmcc, °c (°f) 196 (385) Cas number 39423-51-3 Products packaged/shipped Drum 200 kgs net wt. Iso tank appro. 23, 000.00 kgs net wt. Ibc 1000 kgs net wt.
Amine-terminated polyether Zhengda® zt-1500 Zhengda® zt-1500 amine-terminated polyether is a trifunctional primary amine of approximately 5000 molecular weight. It is clear, almost colorless, viscous, liquid product. Applications Crosslinker for polyurea Co-reactant in epoxy sytems where adhesion promotion and flexibility are important Surfactant and corrosion inhibitor applications Benefits Low color Increased peel strength in epoxy adhesives Increased toughness Sales specifications Property specifications Appearance colorless to pale yellow liquid With slight haze permitted Color, pt-co 25max. Primary amine, % of total amine 97 min. Total amine, meq/g 0.5 – 0.57 Water, wt% 0.25 max. Additional information Ahew (amine hydrogen equivalent wt.), g/eq 952 flash point, pmcc, °c (°f) 213 (415) Equivalent wt. With isocyanates, g/eq 1904 density, g/ml (lb/gal) , 25°c 0.997 (8.31) Viscosity, cst, 25°c (77°f) 819 cas number 64852-22-8 Products packaged/shipped Drum 200 kgs net wt. Iso tank appro. 23, 000.00 kgs net wt. Ibc 1000 kgs net wt.
Wisdom ss316 arc spray wire Description Ss 316 stainless steel wire specifically designed for arc spraying. It produces dense, Well-bonded coatings with excellent machine ability and wear and corrosion resistance. Ss316 is Widely used for machine element repair, dimensional restoration and wear resistance applications. It has relatively high shrink characteristics and should not be used for coatings over 0.075 inches thick. Typical deposit characteristics: Typical hardness hrb 90-100 Bond strength 6750 psi Deposit rate 10 lbs /hr/100a Deposit efficiency 75% Wire coverage 0.8 oz/ft2 / m Surface texture *variable Machine ability good * depends on air pressure used. Surface preparation: Surface should be clean, white metal, With no oxides (rust), dirt, grease, or oil On the surface to be coated. Note: it is Best not to handle surfaces after Cleaning. Recommended method of preparation Is, to grit blast with 24 mesh aluminum Oxide, rough grind, or rough machine in A lathe. Application: Part restoration Rams Food industry rolls Specification: 316 ss Nominal chemical composistion (wt%): Cr ni mn si fe 17.0 12.0 2.0 1.0 bal Recommended spray parameters: Diameter air pressure voltage amperage standoff 1/16" (1.6mm) *50 - 60 psi *28 - 30 *100 - 200 *4 - 6 in (10 - 15cm) * parameters are typical and may vary depending on equipment used. Contact your equipment manufacture for optimum spray parameters. Standard sizes & packaging: Diameter packaging wire weight 1/16 (1.6mm) d300 spool 15kg (33lb)/spool
Introduction moly wire is a special high grade, tin-based alloy that is manufactured exclusive for thermal spray. moly alloy coating are particularly suitable for high speed and heavy duty bearing surfaces that required coatings of the highest possible quality, especially for critical applications. The coatings are ductile, low in oxides and exhibit a bright,metallic appearance. Packaging & Shipping Packaging:Products are generally supplied in standard cardboard boxes, pallets, wooden boxes. Special packaging requirements can also be accommodated. (also depend on the customers' requirements) For the Thermal spray wires , we pack the wires on spools. Then put spools into cartons, Then put the cartons onto pallet. Shipping: We cooperation with many logistics company,We can provide express, sea transportation, air transportation, and rail way transportation based on customers' requirement. Our Services 1) We can provide a free sample for testing. 2) Customized lable, packing, OEM service 3) Mill test certificate will be provided after production, If it is necessary. 4) Good packing methods to keep goods no damage during delivery 5) We are cooperation with many famous forwarder, will try our best to choose the safty, convenience, quick, and cheap mode of transportation for our customers. Company Information Capacity and Main markets. Our company has more than 20 years of experience in alloy products. The company covers 10000m2.The annual output reaches 5000 tons. The products apply to chemical industry, metallurgy mechanism, glass industry, ceramic industry, home appliance area widely. In china, we mainly do business with army industry, and for worldwide, our selling net-work has expanded to Russia, Ukraine, Germany, Iran, India, Itlay, America etc. Quality Assurance. According to international standard, we introduce new techniques and new processes, so we can keep improving product quality. There are strict processes and quality manages to make sure the products keep updated, and be well received by users. Equipment. Our major equipment, vacuum induction furnace, intermediate frequency induction furnace, electroslag furnace, skanthal A1 bath furnace, wiredrawing units, heat treatment production line and soon. Test equipment: straight reflection spectrograph , spectrometer , chemical analyse lab , machinery properties lab (omnipotent test machine,hardness test machine inside), also metallography laboratory, ultrasonic harmless test,etc.
Introduction Babbitt alloys remain consistent from edge-to-edge and end-to-end through thousands of pounds of ingots and bars, and through thousands of miles of spray wire. Babbitt formulations meet or exceed their engineering standards. With higher productivity, less rework, less cleanup. Fewer defects and higher quality finished products. The coatings are ductile, low in oxides and exhibit a bright, metallic appearance. It can equivalent to: tafa 04t, sulzer metco spraybabbit Surface preparation Surface should be clean, white metal, with no oxides (rust), dirt, grease, or oil on the surface to be coated. Note: it is best not to handle surfaces after cleaning. Recommended method of preparation is, to grit blast with 24 mesh aluminum oxide, rough grind, or rough machine in a lathe. Application Bearing surfaces Product details Chemical composition: Type Chemical composition Sn Sb Cu Other Babbitt wire 90 7~8 3~4 0.25 Specifications Grade Aws Babbitt wire C2.25 / c2.25m w-snsbcu-1 Physical properties Grade Density Melting point Babbitt wire 6.67 g/cm3 354 °c Typical deposit characteristics: Typical hardness Bond strength Deposit rate Deposit efficiency Machilityineab Nil 3000 psi 48 lbs /hr/100a 70% Good Standard sizes & packing: Diameter Packing Wire weight 1/8(3.17mm) D 300 spool 15kg(33 lbs)/spool Other sizes can be produced by customers' requirement.
4-methylimidazole 822-36-6 C4h6n2 82.1 White to offwhite crystalline powder =98.0% serves as the epoxy resin west the firming agent, the drugs the onamot for ding's primary data, but also available in synthesis antibiotics and so on. 25kg carton drum
1-vinylimidazole 1072-63-5 C5h6n 94.11 Colorless to faint yellow transparent liquid =98.0% it is mainly used in resin hardener, sensitive chemical reagent and karyoplast of resin inclusion and petroleum industry; it can also be used as high polymer. 200kg/plastic drum
persistent anti-pollution flashover compound coating for electric insulation equipment PRTV(RTV-2)is a new kind of electrical functional material,specially designed for generation,transmission and energy users in electric power system eliminating pollution flashover of equipment ,cooperated with north China electric institute,the research and application of PRTV become technical measurements for lasting insulation protection.this product adopts the independent research and development of patent technology (patent No.:ZL200310116799.2&200420091288.X),obtains second prize of CEC and SGCC scientific and technological progress .PRTV performance can meet the technical specification of hot vulcanized silicone rubber,and its designed service life is about 20years.PRTV is registered trademark of HSVC ,and is identified as China well-known trademark
Hubei aging chemical co., ltd, is the largest manufacturer and exporter of lignosulphonate & sodium gluconate & sodium naphthalene sulfonate formaldehyde in middle china, with the output over 3, 000 metric tons every month for each kind . ?product description ? Sodium lignosulphonate ( lignosulfonate ) water reducer are mainly for concrete mixture as water-reducing additive. Low dosage , low air content , water reducing rate is high , adapt to most kind of cement. Can confected as concrete early-age strength enhancer , concrete retarder , antifreeze , pumping aids etc. Nearly no precipitate product in the liquor additive which is made from the sodium lignosulphonate and naphthalin-group high-efficiency water reducer .The sodium lignosulphonate is fit for apply to building project, dam project, thruway project etc. ?main performance? 1. Can be applied as common water reducing admixture and built material of series multifunction high-performance water reducing admixtures. 2. Can be adopted as the adhesives in the briquetting procedure in the vertical retort zinc smelters. 3. Can be used as embryo reinforcing agents in the fields of pottery and porcelain and refractory materials. They can increase the fluidity of the slurry and thus to improve the strength of the embryo. 4.In the field of water-coal paste, the sodium lignosulphonate series products can be adopted as the main compound materials. 5.In agriculture, the sodium lignosulphonate series products can be applied as the dispersant agents of pesticides and pelleting adhesives of fertilizers and feedstuffs. ?packing, storage & transportation? 1, packing: 25kg in pp woven bag lined with plastic film. 2, storage: kept in dry and ventilating place, prevent from rain and moisture when storage; if agglomerated, please crush and make it into solution, and its effect will be the same. 3, transportation:non-toxic, harmless, non-inflammable and non-explosive chemicals, it can be transported in truck and train.
Graphene is the thinnest material known to man at one atom thick, and also incredibly strong - about 200 times stronger than steel. On top of that, graphene is an excellent conductor of heat and electricity and has interesting light absorption abilities. It is truly a material that could change the world.
Standard Heavy hex bolts astm a193 b7 Grade Astm a193 b7 Heat treatment Yes Surface treament Black, zinc plated, zinc (yellow) plated, h.D.G. Etc. Material Carbon steel, alloy steel , stainless steel, etc
Standard Carriage bolt astm a307 grade a sae j429 grade2 Grade Gra Size 1/2"-1" Surface treament Black, zinc plated, zinc (yellow) plated, h.D.G. Etc. Material Carbon steel, alloy steel , stainless steel, etc
STANDARD Heavy Hex Bolts DIN933 GRADE CL10.9 SIZE M6-M64 SURFACE TREAMENT Black, Dacromet MATERIAL Carbon steel, alloy steel ,etc
STANDARD Heavy Hex Structural Bolts ASTM A490 GRADE A490 Type1 SIZE 1/2"-1-1/2" SURFACE TREAMENT Black, dacromet. etc. MATERIAL Alloy steel, 40Cr
Standard Stud bolts astm a193 b7 Grade B7 Size 1/2''-3'' Surface treament Black, zinc plated, zinc (yellow) plated, h.D.G. Etc. Material Carbon steel, alloy steel , stainless steel, etc
Standard Heavy hex bolts a490m Grade A490m Size M12-m36 Surface treament Black, dacromet etc. Material Carbon steel, alloy steel , stainless steel, etc
Standard Heavy hex bolts a490m Grade A490m Size M12-m36 Surface treament Black, dacromet etc. Material Carbon steel, alloy steel , stainless steel, etc
Standard Heavy hex structural bolt astm a325m 8s Grade A325m 8s Size M12 to m36 Surface treatment Black, zinc plated, zinc (yellow) plated, h.D.G. Etc. Material Carbon steel Packaging Bulk packed in the 25kgs carton then the 900kgs pallet
Standard Hex head wood screws din571 Grade Type1 Size M4-m20 Surface treament Black, zinc plated, zinc (yellow) plated, h.D.G. Etc. Material Carbon steel
