Founded in 1995, Mifeng Sealing Products Co.,Ltd. is a professional China PU seal manufacturer and designer specializing in a diverse range of fiberglass products, seal components and packing for automobiles, motorcycles, machineries and home electric appliances. With ISO9001: 2000 approval, we have a strong team of experienced designers and production technicians. Our products have gained the certificates of ISO/PAS17712 report, US ABS group report and US customs approval. We also provide OEM PU seals with origin production of some famous brands such as B+S, NOK, TTO, VALQUA and DZ. Also as a sale, we produce various accessories made of NR, NBR, EPDM and etc.

H-PU is a hydrolysis-resistant, thermoplastic polyurethane elastomer. It combines the engineering properties of PU with a high resistance to hydrolysis which is otherwise rarely found in polyurethane. It is stable in water up to +90°c (hydrolysis is degradation in water). Because of its resistance to hydrolysis, H-PU can be used for water hydraulic applications in mining, tunnel constructions, press manufacturing & the food industry. It is particularly recommended for use in pure water, HFA & HFB fluids & biologically degradable hydraulic fluids.

1) Product name: U-seal
2) Material: PU (polyurethane)
3) Color: blue, red, green, light yellow
4) Size: refer to our size list book
5) Type: piston and rod seal (UN, UHS, DHS, ISI, ODI)
6) Usage: widely used in the hydraulic cylinder and hydraulic applications which
severed to dustproof and oil-leaked
Inner packing:
Plastic bag
In situations where temperatures range from -65F to + 200F a polyurethane seal is often the most economical and best design choice.
Besides being inexpensive, urethanes are tough, abrasion/wear resistant, and able to take shock loads better than most elastomers. Check our PolyKing catalog for the widest range of urethane U-cups for rod or piston seal applications. We currently have molds, for most sizes, ready to use on on our 22 to 300 ton presses.

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