Others & Excess Inventory

+Whatsapp : +8617730569923 Email:aofulang3@hbofl.com Delivery time: shipped within 24 hours Purity: 99.99% Warehouse: US warehouse Samples can be provided and you can test them at will. The quality will not let you down and it is 100% safe deliver +Whatsapp : +8617730569923 73-78-9 lidocaine 94-24-6 Tetracaine 59-46-1 Procaine 58-55-9 Theophylline 51-43-4 Adrenaline

Minimum Order: 1 bags

+Whatsapp : +8617730569923 Email:aofulang3@hbofl.com Del , ivery time: shipped within 24 hours Purity: 99.99% Warehouse: US warehouse Samples can be provided and you can test them at will. The quality will not let you down and it is 100% safe deliver +Whatsapp : +8617730569923 73-78-9 lidocaine 94-24-6 Tetracaine 59-46-1 Procaine 58-55-9 Theophylline 51-43-4 Adrenaline

Minimum Order: 1 bags

+Whatsapp : +8617730569923 Email:aofulang3@hbofl.com Del , ivery time: shipped within 24 hours Purity: 99.99% Warehouse: US warehouse Samples can be provided and you can test them at will. The quality will not let you down and it is 100% safe deliver +Whatsapp : +8617730569923 73-78-9 lidocaine 94-24-6 Tetracaine 59-46-1 Procaine 58-55-9 Theophylline 51-43-4 Adrenaline

Minimum Order: 1 bags

"2024 Spot Goods Dear customer, we are honored that you can click on the chemical and pharmaceutical products released by our Haite! You can go to our website to learn more about our company's products. (www.hait-pharm.com) We mainly focus on pharmaceutical intermediate raw materials and various caffeine series. Our Hait company is based on R&D, production and sales, and has always been at the forefront of China's domestic chemical and pharmaceutical industry. Haite hereby declares: (Same quality, same content in China) Haite has the strength and dares to keep the price at the lowest, and welcomes your customers to compare products. All the products of our company are sold at the lowest price in China. Buy 25kg and get 1kg free with no upper limit. Contact US: Tele: +86 13026162252 Email: coco@hait-pharm.com Company Website：www.hait-pharm.com Properties: Appearance crystalline/powdery Molecular Formula：C8H17NO2 Molecular Weight：159.226 Flash Point: 119.5±22.6 °C Exact Mass: 159.125931 PSA: 3.32000 LogP: 1.12 Vapour Pressure：0.0±1.2 mmHg at 25°C Index of Refraction：1.465 Storage condition Store：at RT Synonyms: 3-(Aminomethyl)-5-methyl-hexanoic acid Use：This is one of the most promising in development for the treatment of epilepsy, with better efficacy and easier administration. It can also be used to treat pain and anxiety. Hot Selling: 28578-16-7/148553-50-8/5449-12-7/20320 , -59-6/123-75-1/5337-93-9/59-46-1/1451-82- 7/498 , 51-31-2/28578-16-7/110-63-4/94-09-7/62-44-2/123-91 , -1/1451-83-8/5086-74- 8/593-51-1/62-54-4/553-63 , -9/73-78-9"

Minimum Order: 1 bags

　　In the vast landscape of automotive components, power steering oil seals hold a place of significance. This article aims to provide a comprehensive understanding of power steering oil seals and their usage. 　　Power steering oil seals are designed to contain the hydraulic fluid within the power steering system. These seals prevent the fluid from leaking out of the steering gear assembly, ensuring the smooth operation of the steering mechanism. 　　The primary function of power steering oil seals is to prevent hydraulic fluid from leaking. This fluid is critical for the power steering system, enabling the driver to steer the vehicle with minimal effort. 　　Another important function of these seals is to protect the power steering system from contaminants such as dirt and debris. Keeping contaminants out ensures the longevity and proper functioning of the system. 　　Power steering oil seals also maintain the necessary hydraulic pressure within the system. Consistent pressure is vital for the responsiveness and efficiency of the power steering. 　　Understanding and using power steering oil seals is crucial for the optimal performance and longevity of a vehicle's steering system. By preventing leaks, protecting the system, and maintaining pressure, these seals play an indispensable role in the world of automotive engineering.

Minimum Order: 500

The Urea Formaldehyde (UF) technology provided by SL TEC is based on the traditional alkali-acid-alkali process. It consists of three steps: Hydroxymethylation--under neutral or slight alkali conditions, urea and formaldehyde have hydroxymethylation reaction; Polycondensation-- condition the pH of the reaction solution to slight acid, the reaction mixture have polycondensation to reach a certain molecular weight; Temperature Reducing-- condition the pH of the reaction solution back to slight alkali, and reduce its temperature to room temp. to get the preliminary condensed solution. Our Urea-Formaldehyde Glue Technology has the following features: 1. The Glue Workshop has been designed in a 2-floor steel structure, and installation materials incl. pipe, pipe fittings and etc. will be saved by 20%. 2. Urea is directly sent by the Urea Conveyor from the first floor to the reactor, the urea hoisting is saved, thereby the labor strength is largely reduced, i.e. the material

As the second monomer for polyacetal(POM) production,1,3-dioxolane has attracted great attention in recent years due to the expansion of its application, such as the solvent for grease, dyes, cellulose derivatives, polymers and etc, the stabilizer for trichloroethane, components of photosensitiser. There are usually two processes for 1,3-dioxolane production, one uses paraformaldehyde and MEG as the feedstock, while the other starts from concentrated formalin and MEG. SL Tech has been specialized in dioxolane production since 2008 based on concentrated formalin and MEG. In detail, in presence of concentrated sulfuric acid catalyst, enriched formalin and MEG reacts with each other at 90-100oC atmospheric pressure, the resulting mixture is charged to Enrichment Unit, Extraction Unit, Heavy Components Distillation Unit and Light Components Distillation Unit in subsequence to get the finished 1,3-dioxolane product.

Ultra high molecular weight polyethylene (hereinafter called as UHMWPE) is a linear structural polyethylene (PE) with viscosity-average molecular weight of more than 1,000,000 (ordinary polyethylene molecular weight is only about 200,000-300,000).The high relative molecular weight, which has given its extraordinary performance, and makes it a new type of high performance thermoplastic engineering plastics. Due to its high molecular weight, UHMWPE almost has integrated the advantages of all kinds of plastic, with common polyethylene and other engineering plastics incomparable corrosion resistance, impact resistance, self lubrication, corrosion resistance, low temperature resistance, health non-toxic, no adhesion, non water absorption and other comprehensive performance. Especially in the transmission of solid particles, powder, slurry and gas, UHMWPE has shown a unique superiority，thereby it is called as“amazing plastic”.

There are totally four production processes for formic acid production, incl. Sodium Formate Process, Butane (light oil) Liquid Phase Oxidation Process, DMF Process and Methyl Formate Process. Among these processes, Methyl Formate Process is suggested, which makes use of methanol carbonylation by CO to yield methyl formate, and then methyl formate is hydrolyzed into formic acid product. This technology is mature and advanced, reaching international leading level. It is proved that the methyl formate plant for formic acid plant has advantages like low production cost, high product purity, superior product quality, with several technical service better than that of similar plants out of China.  SL Technology is the leading formic acid production technology provider. If you have interest in building the same style or newly designed formic acid plant in your location, please feel free to contact us to get further information you need. We can also provide production line and production technology for your already set plant.

PPC (polypropylene carbonate) is a completely biodegradable environment- friendly plastic synthesized from carbon dioxide and propylene oxide. Besides, due to its using the main source of greenhouse gases---CO2 as the feedstock, PPC not only reduces the emission of greenhouse gases, but also reduces the consumption of fossil fuel. Compared to the degradable PLA(polylactide), it has advantages of high strength, good ductility, lower production cost and etc. PPC polyol with low molecular weight are used to replace conventional petroleum-based polyether, polyester and polycarbonate polyols, while PPC with high molecular weight are employed as film products, oxygen barrier material, injection molding material and etc., especially in package industry and agriculture.

　　Fitting oil seals over shafts is a crucial task in many mechanical systems, ensuring the proper functioning and longevity of the machinery. This process, while seemingly straightforward, requires precision and attention to detail to avoid potential issues such as leaks or premature wear. This article delves into the essential steps and considerations that should be taken into account when fitting oil seals over shafts, providing a multi-faceted approach to achieving optimal results. 　　Preparation and Inspection 　　Inspecting the Shaft and Seal: 　　Surface Condition: Before fitting the oil seal, thoroughly inspect the shaft's surface for any signs of damage, such as nicks, scratches, or burrs. These imperfections can compromise the seal's effectiveness by allowing leaks. 　　Seal Condition: Ensure the oil seal itself is free from defects. Check for any deformities or damages that might affect its performance. Using a damaged seal can lead to immediate failure once the machinery is in operation. 　　Cleaning: 　　Sha , ft Cleaning: Clean the shaft meticulously to remove any dirt, debris, or old sealant residues. A clean surface is critical for achieving a proper seal. 　　Seal Cleaning: If the oil seal has been stored for a while, clean it gently to remove any dust or contaminants that may have settled on it. 　　Choosing the Right Tools and Lubricants 　　Tools for Installation: 　　Seal Installation Tools: Use appropriate tools designed specifically for oil seal installation. These tools help ensure that the seal is pressed evenly and correctly into place without causing damage. 　　Protective Sleeves: Utilize protective sleeves or covers to guide the seal over sharp edges on the shaft, preventing cuts or tears in the seal's lip. 　　Lubrication: 　　Applyi , ng Lubricant: Apply a light coat of lubricant to both the shaft and the seal. This step reduces friction during installation and helps the seal slide into place more easily. Use a lubricant compatible with the seal material and the operating environment. 　　Fitting the Seal 　　Aligning the Seal: 　　Proper Alignment: Ensure the oil seal is aligned correctly with the shaft before installation. Misalignment can cause uneven wear and reduce the seal's lifespan. 　　Pressing the Seal: Use an even and steady pressure to press the seal onto the shaft. Avoid using excessive force, which can distort or damage the seal. 　　Seating the Seal: 　　Uniform Seating: Make sure the seal is seated uniformly around the shaft. An uneven seat can lead to leaks and premature failure. 　　Verification: After seating the seal, verify that it sits flush against the housing and the shaft, ensuring a secure fit. 　　Post-Installation Checks 　　Final Inspection: 　　Visual Check: Conduct a thorough visual inspection to confirm the seal is properly fitted. Look for any signs of distortion or misalignment. 　　Functional Check: Rotate the shaft by hand to ensure the seal moves smoothly and there is no binding or resistance. 　　Testing: 　　Lea , k Test: If possible, conduct a leak test to ensure the seal is functioning correctly under operating conditions. This can be done by applying pressure or vacuum and checking for any signs of leakage. 　　Performance Monitoring: Monitor the performance of the seal during the initial hours of operation. Any unusual noises or leaks should be addressed immediately. 　　Fitting oil seals over shafts is a meticulous process that demands attention to detail and the use of proper techniques and tools. From preparation and inspection to the actual fitting and post-installation checks, each step is crucial for ensuring the longevity and effectiveness of the seal. By following these guidelines, you can prevent common issues such as leaks and premature wear, ensuring the optimal performance of your mechanical systems. Remember, a well-fitted oil seal not only enhances performance but also contributes significantly to the overall reliability and efficiency of the machinery.

Minimum Order: 500

　　In the intricate world of machinery, the TC oil seal stands as a silent guardian, ensuring the smooth operation of various systems. This article aims to explore the diverse scenarios where TC oil seals find their application. 　　TC oil seals, also known as double-lip oil seals, are designed to prevent the leakage of fluids such as oil, grease, and other lubricants. They play a crucial role in preventing leakage and ensuring efficiency in mechanical systems. Their ability to provide effective sealing against different fluids and contaminants is vital for the optimal performance of systems in various industries. 　　One of the primary applications of TC oil seals is in the automotive industry. In engines and transmissions, these seals are commonly used. They ensure that the lubricants do not escape, thereby enhancing the lifespan of the wheel bearings. 　　Industrial machinery, such as conveyor systems and manufacturing equipment, also relies on TC oil seals for optimal performance. They help in minimizing friction and wear, thereby prolonging the lifespan of the equipment. 　　TC oil seal though small, plays a significant role in various industries. From automotive to industrial machinery, its ability to prevent leakage and ensure efficiency makes it an indispensable component.

Minimum Order: 500

　　As machinery and industrial processes push the boundaries of performance, the demand for components that can withstand extreme conditions grows. One such component is the oil seal, which plays a vital role in preventing leaks and protecting machinery from contaminants. In high-temperature environments, the choice of oil seal material becomes crucial. This article delves into various oil seal materials suited for high-temperature applications, providing insights into their properties and optimal use cases. 　　Critical Considerations for High-Temperature Oil Seals 　　Thermal Stability: 　　Heat Resistance: The seal material must resist high temperatures without degrading. Materials should retain their mechanical properties and resist thermal breakdown. 　　Consistency: The ability to maintain consistent performance despite temperature fluctuations is vital. 　　Chemical and Environmental Compatibility: 　　Resistance to Fluids: Seals must be resistant to the specific lubricants and fluids used in high-temperature operations. 　　Oxidation and Environmental Degradation: High temperatures can accelerate oxidative processes and environmental degradation, so the material must be resistant to these effects. 　　Mechanical Durability: 　　Wear Resistance: High temperatures often coincide with high friction and wear conditions. The material must be robust enough to withstand these stresses. 　　Elasticity and Flexibility: Despite the high temperatures, the material must remain elastic to ensure effective sealing. 　　Top Materials for High-Temperature Oil Seals 　　Fluorocarbon Rubber (FKM): 　　Characteristics: FKM is known for its high thermal resistance, performing well up to 250°C. Its chemical resistance makes it suitable for use with aggressive oils and fuels. 　　Applications: Ideal for automotive and aerospace industries, and chemical processing applications where high heat and harsh conditions are standard. 　　Silicone Rubber: 　　Characteristics: Silicone rubber can operate between -60°C to 230°C. It retains flexibility and provides excellent resistance to ozone and oxidation. 　　Applications: Used in food processing, medical equipment, and automotive components where a wide temperature range and non-reactivity are required. 　　Polytetrafluoroethylene (PTFE): 　　Characteristics: PTFE withstands temperatures up to 260°C and has excellent chemical resistance. Its low friction coefficient makes it suitable for high-stress environments. 　　Applications: Common in chemical plants, pharmaceutical equipment, and high-temperature industrial machinery. 　　Perfluoroelastomer (FFKM): 　　Characteristics: FFKM materials, such as Kalrez, endure extreme temperatures up to 327°C and resist virtually all chemicals. 　　Applications: Perfect for semiconductor manufacturing, aerospace, and oil and gas industries where extreme temperatures and chemical exposures are encountered. 　　Ethylene Propylene Diene Monomer (EPDM): 　　Characteristics: EPDM handles temperatures up to 150°C and is resistant to heat, ozone, and oxidation. It excels in steam and hot water environments. 　　Applications: Frequently used in automotive cooling systems, HVAC systems, and appliances that require reliable performance at moderate to high temperatures. 　　Innovative Applications and Future Directions 　　Automotive Industry: 　　High-performance engines and turbochargers are pushing temperature limits. Materials like FKM and PTFE are being used increasingly in gaskets and seals to improve durability and efficiency. 　　Aerospace Sector: 　　Advanced materials like FFKM are being used to withstand the extreme temperatures and aggressive chemicals encountered in aerospace applications. 　　Chemical Processing: 　　PTFE and FKM are favored for their ability to handle high temperatures and aggressive chemical environments, ensuring long-term reliability in chemical processing equipment. 　　Selecting the right oil seal for high-temperature environments is essential to ensure the reliability and efficiency of machinery. Fluorocarbon rubber, silicone rubber, PTFE, FFKM, and EPDM offer distinct advantages that cater to various high-temperature applications.

Minimum Order: 500

　　In the world of mechanical engineering, oil seals are critical components that ensure the smooth operation of machinery by preventing leaks and contamination. Choosing the best material for custom oil seals is a complex task that involves understanding the specific needs of the application. This article delves into various materials used for oil seals, highlighting their strengths and ideal applications to help you make the best choice. 　　Key Considerations for Material Selection 　　1. Environmental Factors: 　　Temperature Extremes: The operating temperature is a primary factor. Materials like FKM are excellent for high-temperature applications, while NBR works well in moderate temperature ranges. 　　Pressure Variations: Materials must withstand the pressure conditions of the application. High-pressure scenarios might require robust materials like PTFE or HNBR. 　　2. Chemical Exposure: 　　Fluid Compatibility: The seal material must be compatible with the lubricants and fluids it will encounter. NBR is suitable for petroleum-based oils, while EPDM is better for water-based applications. 　　Chemical Resistance: In environments exposed to harsh chemicals, materials like PTFE or FKM offer superior resistance. 　　3. Mechanical Requirements: 　　Durability: The material's ability to resist wear and tear is crucial. HNBR and polyurethane are known for their high durability. 　　Flexibility: Flexibility ensures that the seal maintains contact with the sealing surfaces. Silicone rubber offers excellent flexibility across a wide temperature range. 　　Popular Materials for Custom Oil Seals 　　1. Nitrile Rubber (NBR): 　　Properties: Known for its good oil resistance, affordability, and versatility. NBR performs well in a temperature range of -40°C to 120°C. 　　Applications: Widely used in automotive, industrial machinery, and hydraulic systems. 　　2. Fluorocarbon Rubber (FKM): 　　Properties: Offers exceptional high-temperature resistance and chemical compatibility. FKM can handle temperatures up to 250°C. 　　Applications: Ideal for aerospace, automotive, and chemical industries. 　　3. Silicone Rubber: 　　Properties: Maintains flexibility and performance across a broad temperature range, with excellent resistance to ozone and oxidation. 　　Applications: Common in food processing, medical devices, and high- temperature automotive parts. 　　4. Polytetrafluoroethylene (PTFE): 　　Properties: PTFE is unmatched in chemical resistance, high-temperature tolerance, and low friction properties. 　　Applications: Used in chemical processing, high-temperature machinery, and pharmaceutical equipment. 　　5. Hydrogenated Nitrile Rubber (HNBR): 　　Properties: HNBR offers enhanced heat, oil, and abrasion resistance compared to standard NBR, making it suitable for demanding applications. 　　Applications: Often used in automotive components, oil and gas industry, and high-performance machinery. 　　Steps to Select the Best Material 　　1. Evaluate Operating Conditions: 　　Assess the environmental factors such as temperature, pressure, and exposure to chemicals. This evaluation helps narrow down the suitable materials. 　　2. Balance Cost and Performance: 　　While materials like FKM and PTFE offer superior performance, they are more expensive. Consider the balance between material cost and the performance benefits. 　　Choosing the best material for custom oil seals requires a comprehensive understanding of the operational environment, mechanical requirements, and chemical compatibility. Each material, from NBR and FKM to PTFE and HNBR, offers unique advantages that make them suitable for specific applications.

Minimum Order: 500