KDAS Seal

Polyurethane-PU:

Colour：Blue/Green

Temp.Range：-35~+110℃

Speed：0.03～1m/s

Pressure：≤70MPa

PU materials display higher mechanical strength,high abrasion, wear and extrusion resistance, high pressure load capacity,as well as a high tear and elongation at break resistance. Also have good flexibility and very good ageing and ozone resistance.

Application：PU materials are suitable for application in?mineral oils and greases,hydraulic oils, sili- coneoils and greases, highly non-flammable hydraulic fluids HFA and HFB and water up to 50°.

Nitrile Butadiene Rubber-NBR:

Colour：Black

Temp.Range：-30~+120℃

Speed：0.008～1m/s

Pressure：≤20MPa

Good mechanical technological parameters,e.g. high abrasion resistance, low gas permeability and good resistance to mineral oil based lubricating oils and greases, hydraulic oils,highlynon-flammable hydraulic fluids HFA, HFB, HFC, silicone oils and greases, water up to approx. 80°C.NBR is generally not resistant to polar solvents, glycol-based brake fluids and highly non-flammable hydraulic fluids HFD. It has a low resistance to ozone, weathering and ageing. In most hydraulic applications this has no effect because the hydraulicseals are installed internally in the hydraulic components.

Application：NBR is frequently used in the hydraulic field due to its good mechanical characteristics?and resistance to mineral oil based lubricating oils and greases.

Polyamide-PA/Nylon:

Colour：All

Temp.Range：-40~+260℃

Speed：1m/s

Pressure：≤20MPa

Nylon is a polyamide mainly used in synthetic fibers. Its most prominent advantage is that its wear resistance is higher than that of all other fibers. It is 10 times more wear-resistant than cotton and 20 times more wear-resistant than wool. Some polyamide fibers are added to the blended fabric. , can greatly improve its wear resistance; when stretched to 3-6%, the elastic recovery rate can reach 100%; it can withstand tens of thousands of bends without breaking.

Application：Nylon is a good material that can replace steel, iron, copper and other metals with plastic. It is an important engineering plastic. Cast nylon widely replaces wear-resistant parts of mechanical equipment and replaces copper and alloys as wear-resistant parts of equipment. Suitable for making wear-resistant parts, transmission structural parts, household appliance parts, automobile manufacturing parts, screw rod prevention mechanical parts, chemical machinery parts, and chemical equipment. Such as turbines, gears, bearings, impellers, cranks, instrument panels, drive shafts, valves, blades, screw rods, high-pressure washers, screws, nuts, seals, shuttles, sleeves, sleeve connectors, etc.

Polytetrafluoroethylene-PTFE:

Colour：Brown/White

Temp.Range：-180~+344℃

Speed：1m/s

Pressure：≤23MPa

PTFE is a high molecular polymer made by polymerizing tetrafluoroethylene as a monomer. It has excellent heat resistance and cold resistance. It is acid and alkali resistant and resistant to various organic solvents. It is almost insoluble in all solvents. At the same time, PTFE has the characteristics of high temperature resistance and its friction coefficient is extremely low.

Application：1. Anti-corrosion: PTFE material has been widely used in many industries such as petroleum and textiles due to its outstanding corrosion resistance. Representative examples include exhaust pipes, steam pipes, high, medium and low pressure pipes, valves, etc. Especially under relatively harsh environmental conditions such as low temperature and anti-sticking where conventional materials cannot be used, the advantages of PTFE are even more evident.  2. Low friction performance in terms of load: Because its friction coefficient is relatively low compared to most solid materials, filled PTFE has gradually evolved into an excellent material for oil-free lubrication of various parts. Its uses are very wide, including bearings, piston rings in chemical equipment, support slides for steel structure roof trusses, and bridge swivels.