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Natural rubber (NR) mainly consists of rubber hydrocarbon (polyisoprene), containing a small amount of protein, water, resinic acid, sugar and inorganic salt.
High flexibility, high tensile strength, good tear resistance and electrical insulation, good abrasion resistance and drought resistance, good processing, easy to bond other materials, better than most synthetic rubber in comprehensive performance.
The disadvantages are poor oxygen resistance and ozone resistance, easy to aging and deterioration;
Poor oil and solvent resistance, low corrosion resistance to acid and alkali;
Low heat resistance.
Temperature range of use: about 60 ℃ ~ + 80 ℃.
Making tires, rubber shoes, rubber pipes, tape, insulation and sheaths for wire and cable, and other common products.
It is especially suitable for manufacturing torsional vibration eliminator, engine shock absorber, machine support, rubber - metal suspension element, diaphragm and moulded products.

Chongqing feilong jiangli has many years' experience in manufacturing rubber parts. Pls feel free to contact me if you have any queastion! [email protected]

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    • By 袁春凤 (Tiffany)
      5 rubber materials for shock absorption purposes
      NR.SBR.BR is a common citrus material: NBR for oil-resistant vulcanizates; CR for weather-resistant vulcanizates: IR for high damping vulcanizates; EPR for heat-resistant vulcanizates. NR has excellent elasticity, good resistance to fatigue and aromatics, low tart and creep, good cold resistance, electrical insulation and workability. Therefore, NR is widely used as shock absorber in order to meet the requirements of low temperature or weather resistance, and can be modified with BR or CR. The shock absorber made of NR, BR and metal salts containing organic acid containing one OH group with more than 4 carbon atoms has good durability. The compression permanent deformation at 70Cx22h and 40Cx148h is 17.0% and 11.7% respectively. EPDM has attracted much attention in recent years due to its excellent weather resistance, ozone aging resistance, electrical insulation, heat resistance and cold resistance. Recently, Mitsui Chemical Co. and Kwannukawa Rubber Co. developed a new type of heat-resistant and shock-absorbing rubber material by using high molecular weight EIM and low molecular weight EHIM, and obtained a Japanese patent. The test results show that the damping property of the rubber is the same as that of NR, but its heat resistance and low temperature softness are better than that of other rubber such as NR. "The rubber material made of EDM for shock absorbers on automotive parts has very good heat resistance. After 190C *5 aging, the material still has very good interlaminar adhesion. Silicone rubber R or halogenated IR can be used when high damping is required; U has excellent wear resistance, flexibility resistance and resistance to hydrocarbon fuels and most organic solvents, as well as high physical properties, good electrical insulation, adhesion and aging resistance. . U has also been widely used in shock absorption and sound insulation, such as Adachi, etc. The rubber sheet with good shock absorption and sound insulation is made by U. The effect is good when it is applied to floor, ceiling and bending plate.
      Feilong jiangli could supply best quality rubber parts for car body parts. 

    • By 袁春凤 (Tiffany)
      Introduction of defects in rubber products vulcanizing
      1.Lack of glue: due to insufficient weight or poor fluidity, some defects should be found in rubber parts.
      2.Degumming: the failure of rubber and frame inserts will result in disengagement or separation.
      3.Bubbles: also known as "bulging", because the gas is coated in the rubber epidermis and the formation of local epidermis blistering phenomenon; Thanks for the help and support of Chongqing Feilong jiangli’s  Technical department.
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    • By Charlie Duan
      The rubber material determines the service range and service life of the rubber soft connection. Different rubber materials correspond to different medium environments, and the use of rubber materials not suitable for pipeline circulation media greatly shortens the use effect of the rubber soft connection, which may also have a great impact on the service life of the whole pipeline. Chongqing Feilong Jiangli has many years' experience in manufacturing rubber auto parts. Pls feel free to contact me if you have any interest in us. [email protected]
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