Xiamen Juguangli Import & Export Co., Ltd
| Payment Terms | T/T, L/C, , Western Union,Paypal |
| Supply Ability | 300,000pcs |
| Delivery Time | 7~15 work days |
| Packaging Details | PE+Carton |
| Material | Rubber |
| Brand Name | OEM |
| Model Number | OEM |
| Certification | SGS,ROHS,ISO |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C, , Western Union,Paypal | Supply Ability | 300,000pcs |
| Delivery Time | 7~15 work days | Packaging Details | PE+Carton |
| Material | Rubber | Brand Name | OEM |
| Model Number | OEM | Certification | SGS,ROHS,ISO |
| Place of Origin | CHINA | ||
| High Light | Customized Flexible Rubber Bellows ，NBR Flexible Rubber Bellows ，Neoprene Moulded Rubber Bellows | ||
Product Introduction
Neoprene Bellows, also known as, CR bellows, neoprene dust cover and neoprene expansion joints, are designed as a cover or expansion bellows which have versatile functions as silicone dust boots” or seals, elastomeric expansion joint, used to seal out dust and other light-duty environmental factors while allowing a specific stroke or predetermined range of motion. They are quite common in industrial and automotive applications.
Neoprene Bellows are usually produced by silicone rubber compression molding, extrusion moulding or rubber injection moulding.
Product Specifications
Rubber Bellows Main Material
| Material | Abbreviation | Temperature Range | Aging Weathering, Ozone | Anti-Oil & Grease | Anti Water Swell | Flex-Fatigue | Economy of Material | Material Notes |
| Chloroprene & Neoprene | CR | -40F to 250F | Good | Good | Average | Excellent | Good | Exprosure to refrigerants, can be compounded for FDA applications |
| Nitrile | NBR | -22F to 212F | Poor | Excellent | Good | Good | Excellent | Excellent resistance to petroleum based oils and hydrocarbon fuels |
| Ethylene-Propylene | EPDM EPM | -60F to 300F | Excellent | Poor | Excellent | Good | Excellent | / |
| Silicone | VMQ | -75F to 450F | Excellent | Average | Excellent | Excellent | Average | Medical and aerospace applications |
| Fluorocarbon | FKM | 5F to 390F | Excellent | Excellent | Good | Average | Poor | / |
Product Pictures
Reasons of Rubber Bellows' major defects:
1. Flashing is too big: to solve this problem, we need to pay attention to 3 points when production; the first one is mold-design, second one is workers' skill about removing flash, and the production technology is also very important, if molding pressure is not enough, will also make the flash hard to be removed.
2. Mold misalignment & uneven wall: this problem mainly caused by mold tool, like mold-making precision, misalignment of upper mold and down mold, datum angle & the 4 located pins are not accurate enough.
3. Lip cracking: the situation is relative to raw materials hardness & durometer, products' structure, and die-cutting too
Neoprene Bellows Shape
Neoprene Bellows Properties:
Neoprene also known as choloprene, it is a common material used in rubber bellow and dust boot applications with many good performance:
1. Good oil & grease resistance
2. Good Tear Strength, compression & abrasion resistance
3. Excellent Refrigerants / Ammonia performance
4. Temperature Range (dry heat): -40F to 250F
While neoprene has poor cold & fuel resistance, if the rubber bellows requires good cold & fuel resistance, should use other material.
Our company advantage for Neoprene Bellows manufacturing process:
1. Precision Own Mold-making Technology since 2004
2. In-depth knowledge of different elastomer rubber materials molded for rubber bellows, expansion joint & boots
3. Mature experience of flexible silicone rubber bellows quality controls:
a. Neoprene bellows wall thickness sizes telorance: less 0.05mm
b. mini or less expansion joint flashing
c. mold maintenance in aim to up and down mold plate with horizontal stripe in exact position
d. good ejected molding to improve silicone bellows production efficiency
4. Rapid prototyping with full sizes production equipment and production materials.
5. In-depth knowledge of overmolded metal + silicone rubber bellows production
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2019
Total Annual:
2000000-5000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
XIAMEN JUGUANGLI IMPORT & EXPORT CO., LTD. is a state-approved import and export company established in China, mainly responsible for overseas sales.There are two manufacturing plants in xiamen, China, silicone rubber products production plant and lens production plant.Local production, can prov... XIAMEN JUGUANGLI IMPORT & EXPORT CO., LTD. is a state-approved import and export company established in China, mainly responsible for overseas sales.There are two manufacturing plants in xiamen, China, silicone rubber products production plant and lens production plant.Local production, can prov...
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