It is a kind of high-pressure, heavy-duty piston seal, which has good anti-leakage, anti-extrusion and abrasion resistance, even in harsh conditions. It is a kind of high pressure and heavy duty piston seal made of elastic force element and polyurethane material. The environment also has a long service life, widely used in hydraulic support column and jack piston seal.

Working medium

Anti-wear hydraulic oil, water-based emulsion, water and so on.