This kind of automotive rubber bellows are widely used in automobile and various mechanical and electronic equipment field, dustproof and shock absorption, effectively extend its service life. High-quality EPDM rubber material has the characteristics of anti-aging, good elasticity, oxidation resistance, ozone resistance, high and low-temperature performance.

Product Size: Customized according to customer needs
Product material: (EPDM/NBR/SBR/FKM/Silicone) can also be customized according to the specific use of the product.
Product features: EPDM rubber material has the characteristics of aging resistance, oxidation resistance, ozone resistance, good high and low-temperature performance.

Relong can produce bellow of various kinds of materials for you. The following is the characteristics of some materials, which can be used for your reference.

EPDM:
1. Excellent resistance to aging, good in general rubber, good in ozone resistance, good weather resistance, long time in sunlight, wet, cold natural environment.
2. Excellent heat resistant performance, can use for a long time under 150 ℃.
3. Excellent insulation and corona resistance.
4. Good resistance to all kinds of polar chemicals and acid and alkali (except strong acid and alkali).
5. It has good elasticity and compressive deformation.

VMQ SILICONE：
1. Is high temperature resistant and cold resistant, can be in - between 100 and 300 ℃ range of elasticity.
2. Excellent ozone resistance and weather resistance.
3.Good electrical insulation.
4.Physical inertia, no harm to human body.
5.High permeability.

FKM:
1.Excellent high temperature resistance.
2.Excellent resistance to chemical corrosion and oil resistance.
3.It belongs to self-extinguishing rubber.
4.Good air tightness

NBR BUNA NITRIL：
1.Good oil resistance, second only to fluoro rubber and polysulfide rubber.
2.Good abrasion resistance
3.Good air tightness
4.Semi-conductive rubber, not easy to use for insulating materials.

Using range:
Bellow, elbow, sleeve, widely used in automobile, electronic, computer, machinery and other industries, to play the dustproof and waterproof sealing effect.
In addition, we can produce all kinds of other materials and shapes of bellow. Please email us. We will sincerely recommend the best materials for you and produce the best products for you.

Each link has been rigorously tested to focus on the top 10 problems that customers care about.

1. Sealing

2. Waterproof

3. Oil Resistant

4. Resistance To Aging

5. Anti-High And Low Temperature

6. White

7. Damaged

8. Roak

9. Wear-Resisting

10. Environmental Protection

Company Advantage

● 28 Years of Research And Accumulation.

Master the core technology of mold

Using precision mold processing equipment, excellent mold development, and design team, using the most reasonable mould structure design, edge method is more simple and quick, high production efficiency, No residue on the edge, and meet customer requirements for size.

● Precision Management

Traceability can be traced all the way.

Strictly follow the standard procedure of ISO/TS 16949:2009 quality management system and strictly control every step of QC engineering drawing.

● Efficient Service

Build a good reputation in the industry.

Provide a professional testing report.

The delivery rate is 100%.

Provide a free test report.

Production Process

1. Customer Requirement (1)material (2) precision

2. Project Communication (1) feasibility (2)quote

3. Material Development (1) proofing (2) detection

4. Mould Development (1) die sinking (2)proofing

5. Sample Approval (1)report (2)sample

6. Make to Order (1) place an order (2) delivery