Rubber bellow (also commonly known as rubber bellows or expansion bellows) is a flexible rubber component featuring an accordion-style structure.
With its corrugated design, it accommodates mechanical movement, delivers reliable sealing performance, and insulates against external factors across a wide range of industrial and mechanical systems.
The distinctive pleated structure allows for smooth expansion, compression, bending and torsion without compromising structural integrity. As such, it has become an indispensable part for applications demanding high flexibility and reliable protection.
Core Characteristics
Flexible Structure: The corrugated, foldable design allows multi-directional movement (axial, lateral, and angular), effectively compensating for installation misalignment, thermal expansion, and mechanical vibration.
Durable Materials: Manufactured from high-performance rubber or rubber-fabric composites, including EPDM, Nitrile (NBR), Neoprene (CR), Silicone (VMQ), and FKM (Viton). Materials can be customized to meet specific demands for temperature resistance (−50°C to +200°C), chemical resistance, or pressure tolerance.
Dual Protection & Sealing: Effectively blocks dust, moisture, dirt, chemicals, and other contaminants, while providing a reliable seal to prevent liquid or gas leakage.
Vibration Damping & Noise Reduction: Absorbs mechanical vibrations and reduces noise transmission between connected components, improving equipment stability and operational comfort.
Qingdao Todo Rubber is dedicated to supplying premium rubber molded products with reliable performance and consistent quality.
Our key advantages:
Professional Expertise & Rich ExperienceWith 19 years of specialization in rubber and silicone manufacturing, we possess in-depth technical expertise and a proven track record of stable, high-quality delivery.
All-Round Production CapabilitiesFrom custom mold design and development to advanced rubber compounding and mass production, we provide integrated one-stop solutions tailored to your requirements.
Strict High-Quality StandardsOur rigorous quality control system and professional testing instruments guarantee every product complies with or surpasses international industrial standards.
Advanced Manufacturing EquipmentWe operate state-of-the-art production facilities, including large-capacity internal mixers, open mills, and vacuum vulcanizing presses, ensuring high precision and efficient production.
Flexible Customization ServicesWe focus on personalized solutions with flexible options for materials, colors, hardness, dimensions and specifications, fully satisfying the diverse demands across various industries.
Material
EPDM
Hardness
40 ShA – 90 ShA.
Color
OEM colors according to RAL or Pantone No.
Size
Usually black color, OEM colors are available
Logo
Customized logo according to customer's need.
Standard: Goods are typically supplied in about 20-25kg/carton.
Standardized Pallets: Goods are stacked on heat-treated (ISPM 15) or plastic pallets, optimized for forklift handling. Rigid Corner Protectors: High-impact cardboard corner guards are applied to the full height of the stack. This prevents the straps from cutting into the rubber and maintains the vertical integrity of the pallet.
Price terms
The price is based on FOB, CFR or CIF terms according to Incoterms 2000.
Delivery time
There is no guarantee for the delivery time. The guarantee is only for lead time.
Valid time
The valid time of molding or extrusion profile is 60 days unless there is big changes of raw compound and exchange rate.
Do you have a standard part?
We do not have a standard parts. All of our products are custom made to customer specifications, we may apply for the authorization from customer for the parts same to what you are looking for.
Will I need to invest tooling to produce my product?
If we do not have an existing tooling to meet your requirements, you will have to buy one.
Will you use the tooling for other customers?
No, you will have the 100% rights of the tooling. Please refer to our privacy policy and non disclosure agreement.
How can do I select the raw compound for my application?
With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Do you use any international standards for the rubber products?
Yes, we use ASTM standards and RAM standards to define the quality of the rubber seal and rubber gaskets.
Can you supply different color material?
Yes, we can produce custom molded rubber and silicone rubber products in a variety of colors.
Package and shipment
All the goods will packed by carton box and loading to the pallet.
If you have any questions or needs about the product, please fill in the following form and we wll contact you as soon as possible.
PHONE: +86 0532 8769 9025
EMAIL: sales@todorubber.com
Located in Linqu County
Located in Jiaozhou City
Located in Renqiu City
Located in Laixi City
