
Custom Rubber Bellow Sleeve Black Silicone Heat Resistance RoHs Approved
We can make rubber bellow sleeves according to samples or drawings.
First, please send me 2D drawing, 3D drawing or sample of what you need. From the drawing or sample we can know the dimensions and materials. And then if any special requirement, please also let me know.
Second, we make mold and samples, send the samples to customers for testing.
Third, after the samples confirmed, we start mass production, during production, our QC department will control the quality. Then pack and ship the goods by air or by sea. Production flow as bellow:
Raw material test → Prescribe → Mixing Material → Cutting Material → First Cure →
First Part Inspection → Casual Inspection → Burr Dealing → Eye Inspection → IPQC →
Washing or Grinding → Post Cure → FQC → Packing
Last but not least, after-service. when the products have quality problem, then you can tell me, then we will solve the problems together.
Materials Description:
We usually make the bellow sleeves by NBR or NR, which are very cheap and perform good. But when the orperating temperature is very low or very high , then we suggest silicone as the material.
Item | NBR | NR | SILICONE |
Operating Temperature | -40℃~100℃ | -50℃~100℃ | -60℃~200℃ |
Rebound | Good | Excellent | Limited |
Tear Resistance | Good | Excellent | Poor |
Weathering Resistance | Limited | Limited | Excellent |
Oil & Fuel Resistance | Excellent | Poor | Limited |
From the table, we can choose the material according to the operating conditions.
Application:
Rubber bellow sleeves usually used in machines or automotives, as they can be used for sealing to protect from dust and other liquid.
Image Show:
Item Name: Rubber Bellow Sleeve, Material: Silicone, NR, NBR, Color: Black, custom
FAQ:
1,Are you manufacture or trading company ?
We are manufacture, we have two factories, one located in Shangrao
City, Jiangxi Province, one in Dongguan City, Guangdong Province
2,Can I get samples from you ?
Of course, you can. If the samples you need we have in stock, you
can get them for free,
only need to pay for the express cost.
3,What's the term of payment ?
Amount < US$2000, 100% paid in advance by paypal or T/T;
Amount >= US$2000, 30% paid in advance, 70% balance before
shipment by T/T.
4,Can you produce OEM products ?
Yes, we can produce products by your drawing or samples.
5,What's your MOQ ?
If we have the products in stock , the quantity by your
requirement, If we don't have them in stock:
NBR, SIL, SBR, EPDM, NR: 100 US$; PU, HNBR, FKM: 150 US$
Dongguan Ruichen Sealing Co., Ltd.
DONGGUAN RUICHEN SEALING CO., LTD
SHANGRAO RUICHEN SEALING CO.,LTD
Ruichen Sealing Co., Ltd was built in 2006, The company has two branches in Dongguan and Shangrao.They are Dongguan Ruichen Sealing Co., Ltd. and Shangrao Ruichen Sealing Co., Ltd.. We mainly produce rubber o rings , gaskets , ball , grommet and customized rubber part. Shangrao Ruichen as production base , covering a total area of 18,000 square meters, with total assets of 100 million yuan, more than 300 employees and 46 sets of plate vulcanizer machines.
Ruichen focus on research and production of rubber seals. At present, we have more than 10,000 sets of molds for O-ring and other seal rings. O-ring sizes include American standard (AS568), Japanese standard (JIS) and GB series. The material meets the requirements of various environmental regulations (ROHS2.0 REACH224 FDA, PAHS, WRC, WARS, VOC, UL), etc. Products are widely used in automotive parts, connectors, electronic products, pumps and valves, pneumatic, power tools, medical instruments and other fields.
Ruichen use ISO9001, IATF16949, ERP, HRP systems to establish and improve the quality management, process management, labor cost control. Ruichen adhering to the "love management, fuhui sustainable (carry forward good moral character, create good quality)" concept, aim to seal industry deep cultivation for a hundred years, to be O-RING KING!