Offers to Sell

Oxidized polyethylene wax is employed for viscosity adjustment in hot melt adhesives, primarily functioning through the following mechanisms: Viscosity Modulation: Within hot melt adhesives, oxidized polyethylene wax primarily functions as a viscosity modifier. Adjusting the wax dosage alters melt viscosity to accommodate diverse application requirements. For instance, during hot melt production, viscosity specifications tailored to specific applications—such as packaging or footwear bonding—are achieved by optimising flow properties and adhesion through precise wax addition. ‌ Process Adaptability: Hot melt adhesive viscosity must coordinate with process parameters such as curing time and wetting properties. Oxidized polyethylene wax balances the viscoelastic characteristics of the adhesive by regulating molecular alignment in the molten state, preventing application difficulties from excessive viscosity or oil bleeding from insufficient viscosity. ‌ Storage Stability: Possessing a narrow melting range and high softening point, this wax prevents agglomeration or separation in hot melt adhesives during storage caused by temperature fluctuations. Its antioxidant properties simultaneously extend the product's shelf life.

Pressure control valve A6860-VM09A REPAIR KIT FOOVC99002 REPAIR KIT CP3(F00N201976) Tina Chen service for you. Whatsapp/Wechat: +86-13386901379 China Lutong to be a supplier ( Passed ISO9001:2015 )for diesel fuel injection parts, Such as common rail nozzles,VE, Lucas rotor head, elements, diesel injectors etc.

Minimum Order: 10 long tons

Pressure control valve 1460A056 REPAIR KIT F00VX99999 REPAIR KIT F01M101455 REPAIR KIT FOOVC99002 Tina Chen service for you. Whatsapp/Wechat: +86-13386901379 China Lutong to be a supplier ( Passed ISO9001:2015 )for diesel fuel injection parts, Such as common rail nozzles,VE, Lucas rotor head, elements, diesel injectors etc.

Minimum Order: 10 long tons

WN series centrifugal water pump is a horizontal single-stage, single-suction cantilevered structures designed to meet the demanding and comprehensive dredging requirements of contractors. Its impeller channel is designed to be very wide, capable of continuously pumping gravel or high plasticity clay without clogging, with good overall structure and excellent dredging performance. The equipment has a simple structure and is designed with very few wearing parts, which prolongs the service life, reduces the maintenance cost, minimizes the downtime, and greatly saves the cost.

Minimum Order: 1 bags

Common Rail Injector Valve F 00V C01 044 Common Rail Fuel Injector Control Valve F00V C01 306 Common Rail Fuel Injector Control Valve F00VC01045 Common Rail Injector Valve F 00V C01 044 Tina Chen service for you. Whatsapp/Wechat: +86-13386901379 China Lutong to be a supplier ( Passed ISO9001:2015 )for diesel fuel injection parts, Such as common rail nozzles,VE, Lucas rotor head, elements, diesel injectors etc.

Minimum Order: 10 long tons

Common Rail Fuel Injector Control Valve F00RJ02466 diesel common rail nozzle F00VX40043 Common Rail Fuel Injector Control Valve F00RJ02466 Common Rail Fuel Injector Control Valve F00V C01 306 Tina Chen service for you. Whatsapp/Wechat: +86-13386901379 China Lutong to be a supplier ( Passed ISO9001:2015 )for diesel fuel injection parts, Such as common rail nozzles,VE, Lucas rotor head, elements, diesel injectors etc.

Minimum Order: 10 long tons

diesel common rail nozzle F00VX40042 diesel common rail nozzle F00VX40043 Common Rail Fuel Injector Control Valve F00RJ02466 Tina Chen service for you. Whatsapp/Wechat: +86-13386901379 China Lutong to be a supplier ( Passed ISO9001:2015 )for diesel fuel injection parts, Such as common rail nozzles,VE, Lucas rotor head, elements, diesel injectors etc.

Minimum Order: 10 long tons

When oil seals fail in high-temperature applications, people often blame the product. But in most cases, the problem isn’t the seal itself—it’s the material behind it. I’ve seen this countless times in the field. A customer replaces seals every few months, still leaking. Once I check the setup, the oil temperature sits above 120°C, and they’re using standard nitrile rubber (NBR). At that point, failure isn’t a surprise—it’s just chemistry doing its job. Temperature Always Wins Oil seals depend on flexibility and surface tension at the lip. When heat rises, the rubber loses its elasticity. The sealing edge turns rigid, allowing oil to pass through microscopic gaps. The general rule of thumb: Below 100°C, NBR performs fine. From 120°C to 200°C, go with FKM. Beyond 200°C, PTFE becomes the only safe bet. But reality isn’t that neat. Oil type, shaft speed, and installation precision all matter more than any chart can show. Comparing Common High-Temperature Materials FKM (Fluorocarbon Rubber) – A proven choice for engines and gearboxes. It stays stable at around 200°C and resists fuel, synthetic oils, and additives. The only catch is cost and the need for precise installation. PTFE (Teflon) – When nothing else survives, PTFE does. It laughs at chemicals, acids, and heat. Many imported machines use PTFE-lipped seals with metal casings for high endurance. The trade-off: no natural elasticity. Alignment must be perfect. Silicone (VMQ) – Great for food or pharmaceutical applications. Handles up to 180°C, remains soft at low temperatures, but it’s not tough enough for high-speed shafts. EPDM & PU – EPDM resists steam and aging but fails in oil contact. PU is strong and wear-resistant but softens and degrades under continuous heat. Installation – The Silent Killer A lot of “bad seals” are actually victims of bad installation. I’ve seen seals crushed, scratched, or fitted dry. Even the best material can’t survive that. A few rules that always work: Lubricate the lip before fitting. Keep the shaft smooth and free from burrs. Use a press tool instead of a hammer. Check the direction—the lip must face the oil side. For Distributors and B2B Buyers Dealers often worry less about the brand and more about consistency. One batch works perfectly, the next fails early—that’s what kills trust. A reliable manufacturer clearly marks temperature ratings, material type, and oil compatibility. Providing customers with technical notes, test data, or even a short recommendation sheet can make all the difference. Buyers remember the supplier who solves problems, not just the one who ships boxes. Choosing oil seals for high heat isn’t about chasing the highest temperature rating—it’s about balance. If your working temperature is near the material limit, move up one grade. If the shaft runs fast, focus on surface finish and lubrication. FKM works well for most industrial setups; PTFE for extreme ones. I’ve always believed that a good seal isn’t expensive—it’s just correctly chosen. When the material matches the job, even under harsh heat, the machine stays dry and smooth.

Minimum Order: 1000

Anyone who has worked around engines or industrial equipment knows that oil seals look simple but carry huge responsibility. When machines run hot, seals face their toughest test — heat, friction, and oil breakdown. The question many engineers and buyers ask is: what material works best for oil seals in high-temperature environments? Why Heat Is the Silent Enemy Rubber and heat have always been uneasy partners. At high temperatures, most rubber compounds lose elasticity, become brittle, or even shrink. Once that happens, the sealing lip no longer holds pressure, and oil starts to escape along the shaft. In industries like automotive, marine, and heavy machinery, where systems run continuously under high load, choosing the right material is not optional — it’s survival. Common Materials for High-Temperature Oil Seals FKM (Fluoroelastomer) Probably the most widely used material for high-temperature seals. It can handle up to around 250°C, resists oil and chemicals, and keeps flexibility under long-term exposure. You’ll find it in engine crankshafts, transmission systems, and hydraulic units. Its only real weakness is cold weather performance. PTFE (Polytetrafluoroethylene) PTFE is the go-to material for extreme environments. It can handle 260°C or even higher, has low friction, and barely reacts with any fluid. However, it requires precise machining and smooth shaft surfaces. It’s ideal for high- speed or high-pressure sealing applications. VMQ (Silicone Rubber) Silicone performs well in high-temperature air environments but doesn’t handle oils as well as FKM or PTFE. It’s commonly used in food machinery, blowers, and other clean applications where oil resistance is not the main factor. HNBR (Hydrogenated Nitrile Rubber) HNBR sits between NBR and FKM. It provides good resistance to heat, ozone, and oil, and is often used in truck engines and heavy-duty vehicles. A practical, cost-effective option for mid- to high-temperature sealing. Installation and Fit Matter Too Even the best material will fail if the seal is installed incorrectly. The shaft surface must be clean and smooth, the seal should be pressed in evenly, and a thin layer of grease helps reduce friction at startup. If the seal lip is twisted or the shaft is slightly misaligned, leaks will appear within weeks. Always remember: material is only one part of the story — fit and handling make the difference. Choosing the right oil seal for high-temperature conditions isn’t just about picking the most expensive material — it’s about choosing what works best for the specific environment.

Minimum Order: 1000

Device Function：Wire harness welding, ultrasonic scanning detection, support for multiple welding modes Equipment Features：Simple operation, low maintenance cost, no need to change molds, and small footprint Equipment power：2000W Dimensions：573*220*175mm Equ , ipment weight：54kg (electrical box and equipment together) Rated voltage：AC220V 50Hz Welding range：1-10mm copper wire, aluminum wire Display Mode：Touch screen control and adjustment Production efficiency：About 0.6 seconds/time, depending on the welding square

Minimum Order: 1 bags

Ultrasonic frequency:20KHz Ultrasonic power:3000W Operating voltage:220V, 50/60Hz Weight:8.5kg External dimensions: chassis 445L * 370W * 150H (mm) Machine head 575L * 125W * 160H (mm) Model features: Wire to wire welding, copper wire or aluminum wire can be used Application scope: Automotive wire harness processing, wire end bonding, wire connection, etc

Minimum Order: 1 bags

Voltage:AC220/60HZ Motor Power:750W/RV63/1;15 Crimping Force:2.5T Copper Strip Feeding Mode:Motor Drive / Step Feeding Maximum Copper Strip Length:60MM/Maximum Copper Strip Length 22MM Maximum Copper Strip Width:6MM Maximum Crimping Width:6.5MM Maximum Crimping Diameter:6mm2 X 2 Operation Mode:Pedal Switch / Single Action Overall Size:300 X 300 X400 (MM) Technical Characteristics: 1: This machine is equipped with 750W motor and RV63 reducer, and it has a large crimping force because of the large torque with a 40 percent increase over the traditional machines! 2: The three axles through-type spindle mounting method, front and back supporting, concentric axles without gap, keeps the crimping force much firmer! 3: The motor drive step feeding and digital length setting ensure the easy and quick adjustment and more stable wire feeding! 4: The diameters of main axle and eccentric shaft are expanded to lead the main axle to have better intensity and be more durable! 5: The optimized box structure with the machine head in the box, has stronger bearing strength than the traditional machines in which four screws are used to connect the machine head to the middle base! 6: The working height is reduced to the height of the operator’s fist, to reduce the operating fatigue degree benefiting from the supporting of machine base when working.

Minimum Order: 1 bags

The EDS-2513 UV printer can print high resolution, full color images on any flat materials. It uses UV curing technology, and the printed ink is instantly cured, colorful, and has strong adhesion. It's suitable for plastic, glass, ceramic tile, metal, wood, leather, etc, and can meet the mass production needs of many industries. Features Model EDS-2513 UV Printer Printhead quantity 2-8 pcs Printing size 2500x1300 mm Printhead model RICOH G5/G6 Printing platform Vacuum platform Printing direction Uni and Bidirectional Ink system Negative pressure system Ink color CMYK+LC+LM+W+V Printing resolution 720x600, 720x900, 720x1200DPI Printing mode Multi pass File format PDF, TIFF, JPEG, AI, etc. Inkjet technology Micro piezoelectric Ink type Eco UV ink

The EDS-9090 UV printer can print on any flat materials, it uses micro piezoelectric inkjet and UV curing technology. It's very suitable for small batch personalized custom printing, stable performance, simple operation and low maintenance cost. Features Model EDS-9090 UV Printer Printhead quantity 5-8 pcs Printing size 900x900 mm Printhead model RICOH GH2220 Printing platform Vacuum platform Printing direction Uni and Bidirectional Ink system Negative pressure system Ink color CMYK+White+Varnish Printing resolution 720x600, 720x900, 720x1200DPI Printing mode Multi pass File format PDF, TIFF, JPEG, AI, etc.