Professional Custom Processing of Ultra High Molecular Weight Polyethylene Special-Shaped PartsProfessional Custom Processing of Ultra High Molecular Weight Polyethylene Special-Shaped Parts Shandong Ningjin Xinxing Chemical Co., Ltd. sincerely welcomes you to visit our factory for guidance and inspection!!

Why do I recommend special-shaped parts made from ultra high molecular weight polyethylene? Because it is a magical engineering plastic with astonishing wear resistance and compressive strength. Let’s explore the specific characteristics of high molecular weight polyethylene sheets:

2. The impact strength of ultra high molecular weight polyethylene sheets is among the highest in existing plastics, maintaining considerable impact strength even at 70℃;
3. Self-lubricating, low friction coefficient, energy-saving, with a waxy feel.

4. Extremely low water absorption. Therefore, its physical and mechanical properties are independent of humidity factors in the working conditions.
5. Chemically stable, able to resist corrosion from acids, bases, salts, and various corrosive media and organic solvents within a certain temperature and concentration range.
6. Odorless, non-toxic, and non-corrosive, with physiological circulation and compatibility.
7. Non-adhesive;
8. When the molecular weight of high-density polyethylene exceeds 500,000, the embrittlement temperature drops to 140℃. Ultra high molecular weight polyethylene can even maintain certain mechanical strength at temperatures as low as -269℃ under liquid nitrogen.

Applications of polyethylene special-shaped parts and high molecular weight polyethylene special-shaped parts in various industries:

1. Lining: Coal silo liners, storage bins, hoppers, wear-resistant plates, brackets, chutes, and other return devices, sliding surfaces, rollers, etc.;
2. Food machinery: Guide rails, star wheels, guide gears, rollers, bearing liners, etc.;
3. Papermaking machinery: Water absorption tank covers, flow guides, doctor blades, water wings;
4. Chemical industry: Sealing filler plates, filler materials, vacuum molds, pump components, bearing liners, gears, sealing joints;
5. Assembly line machinery: Turntables, guide rails, wear-resistant strips, curved guide rails, magnetic bends, chain guide rails, gears;
6. Others: Agricultural machinery, marine parts, electroplating industry, extremely low-temperature mechanical components, etc.;
7. Large cranes and heavy machinery: Used as pads under large crane legs for support.
8. Used as dock fender boards, anti-collision boards, and buffer boards to prevent collisions between ships and docks.


Professional Custom Processing of Ultra High Molecular Weight Polyethylene Special-Shaped PartsProfessional Custom Processing of Ultra High Molecular Weight Polyethylene Special-Shaped Parts
Other detailed application fields of ultra high molecular weight polyethylene special-shaped parts:

(1) Gears, worm gears

The advantages of using polyethylene sheets for gears and worm gears are light weight, fatigue resistance, impact absorption, and good self-lubrication. For areas that are sensitive to lubricant contamination or cannot be lubricated frequently, MC nylon gears are suitable, and they do not damage corresponding gears or connected components, producing less noise, with significant effects in various industrial applications such as textiles, papermaking, printing, and food machinery, where noise is only 1/4 to 1/2 of that of steel parts.

(2) Slides
In heavy industry, metal extrusion machines, forging machines, and other industrial machinery use MC nylon materials as slides, which offer the following advantages: long service life, significant savings in replacement time and maintenance costs, long-lasting lubrication after one greasing, high resistance to impact fatigue and vibration, low noise, light weight, easy assembly, and good wear resistance.

(3) Piston rings, support rings
The characteristics of using polyethylene sheets for piston rings include: light weight (about 15% of bronze weight), reduced motion loss, energy savings, good sliding performance, small difference between static and dynamic friction coefficients, thus avoiding stickiness like metals, good resistance to foreign objects, prevention of cylinder wear, self-lubricating without oil, good sealing, low oil leakage, long service life, and improved work efficiency.

(4) Shaft sleeves, bushings, bearings
The advantages of using polyethylene sheets for shaft components include: wear resistance, good self-lubricating properties, with a relatively high PV value among general thermoplastics. Low friction coefficient, impact resistance, not easy to bind, weld, or damage the shaft neck, long lubrication cycles, reduced maintenance, strong adaptability in harsh environments, and long service life.

(5) Rollers, drums
Due to the properties of polyethylene sheets, such as chemical resistance, wear resistance, and self-lubrication, they are suitable for making rollers or as outer liners for metal rollers used in conveyor rollers, reversing rollers, and floating rollers. MC nylon has a longer service life than other materials, is easy to process, requires fewer oiling times, and does not leak oil, rust, or stain fibers with oil or rust.

(6) Other applications
In addition to the above, polyethylene sheets are widely used in various fields, such as: mixing machine support wheels, valve bodies, valve cores, insulating sleeves, guide plates, pulleys, etc. In the railway sector, applications include moving axle box liners, moving wheel spring suspension sleeves, stop rings, crosshead sliding shoes, and rocker small end square tiles. In the shipbuilding industry, applications include bearings, pump bearings, pulley sliders, chain wheels, handles with electrical insulation, seals, and more.