National Oil seal

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National Oil seal

Oil Seal

We're professional to produce various of Rubber products with different material and have exported for 20 years.

we can provide you the all kinds of oil seal with high quality and reasonable price.

Our target is "All Customers first, Quality First, and Credit First"

This is the detail of our oil seal:

1.seal material:

NBR,HNBR,PTEE,FPM,MVQ,EPDM,PTFE,and so on

2.seal application:

trains,automobile,motocycles,trucks,buses,agricutural machinery and any equipments

3.seal certification:

GB/T19001-2000-ISO9001: 2000 standard

4.seal production control:

prouduced by priecise CNC machine

5.seal strong point:

we have our own mold center and engineer, can develop all kinds of high tech requireds.

Powerful mold quantity in stock.

Most popular type stytle including TC, TB, SC, SBC, TBG...

Q: The difference and advantages and disadvantages of single lip seal and double lip seal: Single lip seal structure is simple, a little poor sealing, but the installation time is convenient; double lip sealing structure is complex, a little good sealing, but the installation is better than single lip seal

Q: What are the differences between polyurethane TPU and CPU in cylinder seals?: TPU thermoplastic polyurethane elastomer (referred to as TPU)Is a new type of polymeric material between rubber and plastic, in practical application, much as rubber replacement products, also has excellent abrasion resistance and CPU (elastic body most), at room temperature into a solid, heated or solution to make it into a liquid, processing after forming, to become solid polyurethane materials. TPU is one of the most widely used and the largest production of polyurethane elastomer, such as sports equipment: skate wheel, shoe buckle, Internet, accessories, snow boots industrial parts: seal, steam pipe, pipe fittings, accessories (dust damping analysis, industrial wheel, conveyor belt material: air pressure pipe, water pipe medical tube, wire and cable, and a watchband, film, shoe soles, shoe accessories: sheet, cushion, accessories, leather, labels and so on, a day

Q: What is the operation of the seal company sulfur chemical?What is the specific work? Is there any danger and harm?: Operator vulcanizing machine is the production of sealed products, the general operation of the vulcanizing machine, with the production of mold. The danger is that rubber products will generally have some taste, the body is not very good,

Q: What is the material of the sealing ring mostly? I know, only rubber, and any other material?: Two, HNBR hydrogenated nitrile rubber sealing ring: with excellent corrosion resistance, tear resistance and compression deformation characteristics, ozone resistance, sun resistance, weather resistance better. Better abrasion resistance than nbr. The utility model is suitable for washing machines, automobile engine systems and refrigeration systems using new environmental protection refrigerant R134a. Not recommended for use in alcohols, esters, or aromatic solutions. The general use temperature range is -40~150 degrees centigrade.

Q: What rubber kind of rubber does the brake seal of the car use?: The synthesis of liquid to polyethylene glycol or glycol and boric acid ester, because this "oil" may mislead him. Second, the brake should be used three yuan synthetic liquid ethylene propylene rubber (EPDM), which is resistant to chemicals because of the elementary concentration. He used EpDM production after swelling qualified, is very happy.The production of rubber products is important for the accumulation of knowledge

Q: What type of sealing roller bearings.: The so-called bearing additional sealing performance device, that is, in the installation of end caps and other internal manufacturing into a variety of sealing devices. On the selection of roller bearings with a sealing Longma Xiaobian that should consider the following 6 main factors.

Q: Individual opened a small seal factory, equivalent to individual production it, what equipment?. Question 1: Material: fine rubber, equipment needed? Question 2: material for Ding fine rubber, polyurethane, need equipment? Question 3: the material is fluorine rubber. Equipment needed. Question 4: the availability of raw materials, the question 5: for individuals, there is no technical difficulties?. Various equipment...: If you don't have any technical support, you can only make some regular products, such as O rings, which are very low in profit.The last one advised you not to do it

Q: How do you determine the assembly direction of the cylinder seals?: Look at your choice of sealed form, two-way sealing products do not have to consider the direction of installation, but some lip products, such as Y ring, we should consider the direction of the lip and the direction of the oil pressure coordination

Q: What's the difference between the sealing ring shaft and the bore?: There is a very simple way, you see the seal specifications can know, generally speaking, such as diameter, x, diameter, X-ray diameter (16x23.3x3.2), the first to write the internal diameter is the axis, and conversely, the outer diameter x diameter, X-ray diameter is the axis!

Q: You want to ask knowledgeable friends. I want to do at home produced small seal factory. The former is to buy it do seal butterfly valve. Now they want to engage in their own ring. Do not know what equipment and capital equipment. Then buy new and used funds is how much. Is the production of multi-level sealing ring and PTFE. What materials should I indebted forever: These two are completely different materials, the rubber ring is generally rubber, PTFE is plastic, the production process is not the same. Not familiar with, or first learn more professional knowledge!

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