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Qingdao Weilian Plastic & Rubber LTD excels in the production of customized products.


We develop and produce essential components for any industry in any desired plastic, rubber or 

polyurethane material from EPDM, NBR NR, Silicone, PE, TPV, TPE etc.

1.   the property of NR

It has good wear resistance, high elasticity, breaking strength and elongation, But in the air, it is easy 

to get age, and it is get sticky when it get in touch with heat, which is easy to expand and dissolve in 

mineral oil or gas online, but it is resistant to strong acid, but not to Alkali . working temperature is 


2. the property of EPDM

Weather ability, aging resistance, ozone resistance, chemical stability are excellent, and CFCS and a 

variety of refrigerants. Working temperature is-50~150

3. the property of silicone

It has excellent heat resistance, cold resistance, ozone resistance and atmospheric 

aging resistant.Good electrical insulation performance,The tensile strength and wear resistance are 

generally poor and has non- oil resistant. The working temperature is -55~250ºC

4. The property of NBR

Good oil resistance, heat resistance, abrasion resistance, solvent resistance and high - pressure oil,

But it is not suitable for polar solvents, such as  ozone, nitro-hydrocarbons, and chloroform.

The working temperature is-40~120 ºC

5. the property of CR

It has good elasticity, wear resistance and atmospheric aging resistance.


It is not afraid of violent distortion and flammability.Chemical stability. 

The working temperature is -40~100 ºC

6. The property of FKM

Excellent high temperature resistance,And have excellent chemical resistance,most oil


and solvent (other than ketones and esters).cold resistance is not good.

7.TPV (Thermoplastic Vulcanizate)

It is ahighly vulcanized ethylene propylene ternary rubber (EPDM) 

material composed of highly vulcanized EPDM particles dispersed in the continuous polypropylene  

TPV thermoplastic epdm dynamic vulcanization elastomer /rubber main features

Excellent aging resistance and good weather and heat resistance  

 Excellent resistance to deformation;

Excellent tensile strength, high toughness and high resilience

Excellent environmental performance and reusable

Excellent electrical insulation performance

Wide range of hardness

Use a wide range of temperatures

Color diversification, transparent, translucent, light color series,easy to color, easy to shape;

It can be injected or extruded with PP, PA, PC, ABS, PS, PBT, PET and other materials


8.TPE  (TetraphenyleneTPE - thermoplastic elastomer is a new material with high elasticity, high 

strength and high resilience. 

TPE materials soft to the touch, good weather resistance, no plasticizer, is a non-toxic material.


TPE Is a kind of rubber with high elasticity, high strength, high resilience, and has the characteristics 

of injection processing materials

TPE has environmental protection, non-toxic and safe, wide application range, excellent color,


soft touch, weather resistance, fatigue resistance and temperature resistance

Superior processing performance, without curing, can be recycled to reduce the cost, not only can be 

secondary injection molding, and PP, PE, PC,PS, ABS and other matrix material coating bonding, 

Can also be formed alone.

9.The property for TPU (thermoplasticpolyurethane)


Wide range of hardness: products of different hardness can be obtained by changing the ratio of 

each reaction component of TPU, 

and with the increase of hardness, the products still maintain good elasticity and wear resistance

High mechanical strength: outstanding bearing capacity, impact resistance 

and shock absorption of TPU products

Outstanding cold resistance: the glass transition temperature of TPU is relatively low, and it still 

maintains good elasticity, flexibility and other physical properties at -35

Good processing performance: 

TPU can be processed by common thermoplastic material processing methods, such as injection 

molding,extrusion, rolling, etc.At the same time, TPU and some polymer materials can produce 

polymer alloys with complementary properties

Resistance to oil, water and mold

Professional Rubber&Plastic Part R&D and Manufacturing
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