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Technical Parameters Product name: PFA reagent bottle Specifications (ml): 30/60/100/125/250/500/1000/2000/3000/4000/5000 , Material: PFA Withstand temperature: -196-260 Celsius degree Product Features 1. Translucent appearance; 2. Temperature resistance: operating temperature -200~+260℃; 3. Insulation resistance: dielectric properties have nothing to do with temperature and frequency; 4. Anti-pollution: low metal element value; 5. It has low dissolution and precipitation characteristics and is a container for storing standard substances and different reagents; use: 1. Suitable for storing and packaging different chemical reagents and standard samples; 2. Applicable to semiconductor, polysilicon, photovoltaic electronic lithium battery industries; sampling of high-purity water, electronic pure reagents, photoresist, silicon wafer washing liquid, electronic grade cleaning agent, liquid crystal liquid, circuit board washing liquid, etc.; also suitable for new materials and new Storage and use of energy such as silicon materials; 3. Can be used with Agilent, Shimadzu, PE, Thermo Fisher and other brands of ICP-MS, ICP-OES and other instruments for trace analysis and isotope analysis. Our PFA series products: Sample storage bottles, washing bottles, volumetric flasks, measuring cups, beakers, digestion tubes, sample dissolving tanks, micro columns, crucibles, valves, joints, delivery pipes and other products web: https://www.njbinglab.com Phone/Whatsapp/ Wechat :+8615805176994 Mail: rossnjbzh@gmail.com / rossg@njbinglab.com

Minimum Order: 1 bags

　　Oil seals play a vital role in preventing leaks in various types of mechanical systems. While all oil seals serve the same basic purpose—to prevent fluid leakage—there are significant differences between those designed for specialized applications like washing machines and more general-purpose oil seals. Understanding these differences can help in selecting the correct seal for specific mechanical requirements. 　　1. Operating Environment 　　The most notable difference between washing machine oil seals and regular oil seals is the operating environment. Washing machines deal with a unique combination of water, detergents, and sometimes high temperatures. Washing machine oil seals are specifically designed to withstand constant exposure to water and cleaning agents, which can break down ordinary oil seals. These seals must provide a watertight seal to prevent water from leaking into the mechanical components, ensuring the smooth operation of the washing machine. 　　On the other hand, regular oil seals are often designed to retain lubricants in an environment where the primary concern is oil leakage rather than water. While some general-purpose oil seals can handle a range of fluids, including water, they may not be engineered to resist the caustic effects of detergents or repeated water exposure. 　　2. Material Composition 　　Material selection is another critical difference between washing machine oil seals and regular oil seals. Washing machine seals are commonly made from specialized elastomers like nitrile rubber (NBR) or fluororubber (FKM), which have excellent resistance to water, detergent, and high temperatures. These materials also need to maintain their flexibility and sealing ability under frequent cycles of heating and cooling, common in washing machines. 　　Regular oil seals, by contrast, are typically made from materials like nitrile or polyurethane, which are more focused on providing resistance to oil, grease, and dust. These materials may not hold up as well in environments where water or chemical detergents are present, making them unsuitable for washing machine applications. 　　3. Seal Design and Structure 　　Washing machine oil seals often feature more complex designs, incorporating multiple sealing lips and sometimes even springs to maintain a tight seal in the fluctuating pressure and temperature conditions of a washing machine drum. The multi-lip design ensures that water is kept out of the critical components while still allowing the drum to rotate smoothly. 　　In comparison, regular oil seals usually have a simpler design, often with a single lip. While effective for general-purpose sealing of lubricants in environments like engines or gearboxes, these simpler seals may not offer the same level of protection against moisture and detergent penetration. 　　4. Durability and Lifespan 　　Because washing machines undergo frequent, heavy use—often running multiple times a week—the oil seals in these machines need to be especially durable. High durability ensures that washing machine seals can withstand not just mechanical wear and tear, but also chemical degradation over time. Regular oil seals may not face the same level of stress or chemical exposure and are generally designed with a longer lifespan in mind when used in more traditional applications. 　　5. Applications and Industry Use 　　While washing machine oil seals are primarily used in domestic appliances, regular oil seals have much broader applications across industries. They are used in automotive engines, gearboxes, hydraulic systems, and industrial machinery. Their general-purpose nature allows them to be applied in various fields, although they are not always suited for the highly specialized needs of washing machines. 　　While both washing machine oil seals and regular oil seals perform the critical function of preventing fluid leakage, their differences are substantial. Washing machine oil seals are designed to cope with water, detergents, and high-temperature environments, while regular oil seals are more focused on containing lubricants in standard mechanical systems. Understanding these distinctions is essential for ensuring the correct oil seal is used, thereby enhancing the longevity and performance of mechanical systems.

Minimum Order: 1000

When you visit China for holidays or business trip (trade fair,trade show, exhibition,supplier visit,product sourcing,customer visiting etc ), when you need assistance for your China trip, Pls feel free to contact us via below: EMAIL:Susan205060@hotmail.com Sky , pe: Susan205060 Cell Phone: 0086-136 7195 5713 Whatsapp: +86 13671955713 Wechat:+86 13671955713 http://professionalchinainterpr , eter.blogspot.com， https://www.facebook.com/s , uperchinainterpreter， ***** Make your China trip easier & Successful!***** Business trip in China (Shanghai based, familiar with and available to travel to the cities include beijing, ji’nan, shijiazhuang,Ningbo, Yiwu, Wuxi, Shaoxing, Wenzhou, Nanjing, Hangzhou, Suzhou, Xiamen, Qingdao,Shenzhen,guangzhou,foshan etc) well-trained & experienced business translators ,interpreters ,business assistants What we can do for you if you choose our service: ***** As Business Interpreters / Translators, we provide below services: 1. Interpreter / Business Assistant for * Exhibition / Trade Fair / Trade show * Business Meeting * Business Negotiation * Factory / Supplier Visit 2. Organize the business plan per your request 3. Make appointment with factories & suppliers in advance 4. Make reservation for the tickets ( flight or train) or rent the van per your request 5. Travel area include the Great China &HK *****For Business Assistants,we provide your below services: Expo/Exhibition/Trade fair (booth,VIP Support) Support Clients to Set up Office Product Sourcing Make Contracts Market Research Secretary Service As Travel Guides, we provide below services: 1.On base your request, we tailor-made your tour plan and arrange the whole trip (include accommodation/hotel reservation/, car/van rental, train or bus or acrobat show tickets reservation etc) 2.Recommend traditional and must-see programs for the tour. 3. Airport pick-up & drop-off 4. Show you around Shanghai famous market for shopping if need. 5.Work as your interpreter to break down the language barrier and communicate with the local people 6.Arrange tour aroundShanghai or the other cities withinChina Shanghai interpreter, Shanghai translator, guide, China translator,China interpreter,tour guide, Ningbo translator, Ningbo interpreter,Hangzhou translator, Hangzhou interpreter,nanjing interpreter,wuxi interpreter,qingdao interpreter, yiwu translator, yiwu interpreter,yiwu guide,beijing interpreter,beijing translator,shenzhen translator,shenzhen guide,guangzhou translator,guangzhou interpreter,wenzhou translator,wenzhou interpreter,suzhou interpreter,suzhou translator,wuxi translator,wuxi interpreter,shaoxing interpreter,shaoxing translator,taizhou interpreter,taizhou translator,personal tour guide, private tour guide, English speaking guide

17HS4417 This item includes: 1PC Nema17 Stepper Motor 1.7A, 40N.cm Min, 1.8degree, 4wires Detailed information:  Nema17 Stepper Motor Step Angle 1.8°/ Step Rated Voltage 2.55 V Rated Current 1.70 A /Phase Phase Resistance 1.50 ohm/Phase Phase inductance 2.80   mH/Phase Holding Torque 0.54N.m=76.5oz-in Detent Torque 2.20 N.cm Max Rotor Torque 54 g-cm² Number of Wires 4 Shaft Diameter Φ5,00 (D-Shaft Diameter=Φ4,50 mm) Motor Length 40 mm Motor Weight 0.28kg

Minimum Order: 5 dozens

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