Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of customized silicone foamed extrusion cord in China. If you're going to buy customized silicone foamed extrusion cord made in China, welcome to get more information from our factory. We also accept customized orders.
Product Description
Description
| Name | Silicone Cord |
| Material | Silicone, EPDM, NR, NBR, FKM, SBR, HNBR, IIR, CR FFKM etc |
| Hardness | 20-85 Shore A, ± 5 Shore A |
| Temperature | -40°C to +300°C |
| Size | According to the drawing or sample |
| Color | According to your requirement (Panton color card) |
| Application | Automotive, industrial, machinery, military, electrical, medical, household etc |
| Performance | Good sealing & damping; Waterproof; Aging/ozone/oil/pressure resistance; Low & high temperature resistance |
| Mode of Production | Compression, injection, injection transfer, extrusion, silicone liquid injection |
| Production Capabilities |
Machines including 150T,200T,250T, 300T and 500T |
| Testing instruments | Vulcanization tester, tensile tester, rubber durometer, insulation resistance tester etc |
| Rubber Compound | Can be FDA, RoHs or REACH approved, and free test slabs and hardness testers can be offered for customer's testing |
| Package | Inner plastic bag/outside carton/wooden pallets/ or any other special package as per customer's requirements |
| Notes | Models and logos can be customized as your requirements; Designs and specifications are accepted |
PRODUCTION SHOW
The core advantage of our foamed silicone cord lies in its unique closed-cell structure, which we control meticulously during the continuous vulcanization (CV) process. Unlike solid silicone, which can require excessive force to compress, our foamed variants offer low compression deflection. This means you achieve a reliable seal with minimal closing force, reducing stress on flanges, hinges, and lightweight enclosures. Whether you are designing access panels for aerospace interiors, gaskets for sensitive electronic housings, or vibration dampeners for automotive applications, the ability to customize the foam density-from soft, sponge-like textures to firmer, semi-foamed compounds-allows you to balance sealing performance with structural integrity.
We recognize that "customized" often implies long lead times and inconsistent quality. We have dismantled that stereotype. Our production lines are equipped with real-time laser micrometers and density monitoring systems that adjust extrusion parameters on the fly. This ensures that whether you need a 2mm round cord or a complex multi-lip profile, the dimensional tolerance remains tight throughout the entire run length. There are no sudden shifts in diameter or density that could cause leaks or assembly jams. We produce in continuous lengths, eliminating the weak points associated with spliced joints, which is critical for applications requiring absolute environmental protection against dust, moisture, and gases.
Material integrity is non-negotiable. Our base silicone compounds are formulated in-house, giving us full control over the recipe. We can engineer cords that withstand extreme temperature fluctuations, ranging from -60°C to +230°C, without hardening, cracking, or losing their elastic recovery. Furthermore, because silicone is inherently stable, our foamed cords exhibit excellent resistance to UV radiation, ozone, and many harsh chemicals, ensuring a long service life even in outdoor or aggressive industrial environments. For industries with strict regulatory standards, such as medical device manufacturing or food processing, we can produce cords using USP Class VI compliant or FDA-grade materials, complete with full traceability documentation.
Beyond the material itself, we offer comprehensive post-extrusion customization. The cord can be supplied on spools for automated feed systems, cut to precise lengths, or even fitted with adhesive backing using high-bond primers that we apply inline. Our technical team works closely with clients during the prototyping phase, iterating on cross-sectional designs to optimize the compression set and ensure the seal performs perfectly within your specific groove dimensions.
Choosing our Customized Silicone Foamed Extrusion Cord means partnering with a manufacturer that prioritizes application success over simple volume output. We combine decades of polymer science expertise with agile manufacturing practices to deliver a sealing solution that is lighter, more efficient, and more reliable than standard alternatives. Let us help you eliminate leakage risks and streamline your assembly process with a sealing component built exactly to your specifications.
RUBBER PRODUCTS FOR CAR USE
Frequently Asked Questions (FAQ)
Q: Are you a manufacturer or a trading company?
A: We are a direct manufacturer. This allows us to offer competitive pricing, strict quality control, and faster lead times by managing the entire production process in-house.
Q: What is the fastest way to receive a quotation?
A: For the quickest turnaround, please email us your technical drawings (2D or 3D) directly. Include details on material preferences, estimated quantities, and any specific tolerance requirements.
Q: I don't have a drawing. Can I still get a quote?
A: Absolutely. You can send us a physical sample, clear photographs, or a detailed written description of your product. Our engineering team will analyze your input and create a professional CAD drawing for your confirmation before providing a formal quote.
Q: I have a new product idea but am unsure about its manufacturability. Can you help?
A: Yes, we specialize in turning concepts into reality. We work closely with clients to evaluate the technical feasibility of new designs. Our team provides expert advice on material selection, tooling strategies, and estimated setup costs to ensure your project is viable before production begins.
Q: My product is already designed in CAD. Do you accept these files?
A: Yes, we fully support CAD workflows. We accept DWG, DXF, IGES, SolidWorks, and Rhino files. Using your existing data allows us to generate accurate quotes, create 3D models, and design mold tools efficiently, saving you both time and money.
Q: Can I test my design before committing to full mold manufacturing?
A: Yes. We can produce rapid prototypes or 3D-printed models based on your CAD drawings. This allows you to verify the design fit, function, and aesthetics before investing in hard tooling, minimizing your upfront risk.
Q: How do I determine the best plastic or rubber material for my application?
A: Material selection depends entirely on your product's specific application and operating environment (e.g., temperature range, chemical exposure, UV resistance). Our engineers will discuss your requirements and recommend the optimal material to balance performance, durability, and cost.
Q: What is your policy on samples?
A:
Standard Products: Free samples are available for quality evaluation; you only need to cover the shipping freight.
Custom Products: For bespoke items, a sample run and mold order are required prior to mass production to ensure the final output meets your exact specifications.
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