Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of bespoke factory rohs dust prevention epdm door seal strip in China. If you're going to buy bespoke factory rohs dust prevention epdm door seal strip made in China, welcome to get more information from our factory. We also accept customized orders.
Bespoke Factory ROHS Dust Prevention EPDM Door Seal Strip
In the manufacturing of doors, enclosures, and industrial access panels, the interface between the door and the frame is a critical point of failure. Without an effective seal, dust, particulate matter, and environmental contaminants can compromise the integrity of the interior space. As a specialized production facility, we focus on fabricating bespoke EPDM (Ethylene Propylene Diene Monomer) door seal strips designed to provide reliable dust prevention. Our manufacturing process emphasizes material consistency, custom profile engineering, and strict adherence to environmental compliance standards, including RoHS.
Product Description
| Product Description | ||
| Products | Name | Bespoke Factory ROHS Dust Prevention EPDM Door Seal Strip |
| Products category | rubber extrusion product | |
| Material | EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Viton(FKM), Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM), HNBR, Butyl(IIR), plastic like material (TPE, PU, NBR, silicone, NBR+TPE etc) | |
| Size | All size and thickness available. | |
| Shape | capable of all shapes as per drawing | |
| Color | Natural,black, Pantone code or RAL code, or as per client's samples or requirements | |
| Hardness | 20°~90° Shore A, usually 30°~80° Shore A. | |
| Surface finishing | Texture (VDI/MT standard, or made to client's sample), polished (high polish, mirror polish), smooth, painting, powder coating, printing, electroplating etc. | |
| Drawing | 2D or 3D draiwng in any image/picture format is OK | |
| Free sample | Yes | |
| OEM/OEM | Yes | |
| Application | Household, electronics, for vehicles like GM, Ford, Renault, Honda. Machinery, hospital, petrochemical, Military and Aerospace etc. | |
| Market | Europe, North America, Oceania | |
| Quality certification | ISO 90001:2008, TS16949, FDA, REACH, ROHS, SGS | |
| QC | Every order production will get more than 10 times regular check and 5 fives times random check by our professional QC. Or by Third party appointed by customer | |
| Mold | Molding Process | Injection molding, mold processing, extrusion |
| Mould type | processing mold, injection mold, extrusionmold | |
| Machines | 350T vacuum pressing machine and other pressing machine at 300T,250T and so on | |
| Tooling equipment | Rubber tension tester, Rubber vulcanization instrument, Durometer, calipers, ageing oven | |
| Cavity | 1~400 cavities | |
| Mould Life | 300,000~1,00,000 times | |
| Production | Production capacity | finish each mold of product in 3 minutes and working on 3 shifts within 24 hours |
| Mold lead time | 15~35 days | |
| Sample lead time | 3~5 days | |
| Production time | usually 15~30 days, should be confirmed before order | |
| Loading port | Hangzhou, Shanghai, Ningbo or as required | |
Product show
Material Foundation: Why EPDM
The core of our sealing solution is high-grade EPDM rubber. This synthetic elastomer is selected for its molecular stability and resilience in varied environmental conditions. Unlike natural rubber, EPDM exhibits exceptional resistance to ozone, ultraviolet (UV) radiation, and oxidation. This makes it particularly suitable for exterior doors or applications exposed to direct sunlight and fluctuating weather patterns, where lesser materials might crack or harden over time.
EPDM also maintains its flexibility across a broad temperature spectrum. It remains pliable in freezing conditions and retains its structural properties in high heat. This thermal stability ensures that the seal continues to exert the necessary compression force against the door frame regardless of seasonal temperature shifts. Furthermore, EPDM has excellent resistance to water and steam, preventing moisture ingress that often accompanies dust infiltration.
Bespoke Engineering and Profile Design
Standard off-the-shelf seals often fail to account for the specific tolerances and gap variations inherent in custom door fabrication. Our approach is rooted in bespoke manufacturing. We produce seal strips tailored to the exact cross-sectional requirements of the client's design.
Using customer-provided CAD drawings or physical samples, our engineering team develops precision dies for the extrusion process. This allows us to create complex profiles-such as bulb seals, P-seals, D-seals, or multi-lip configurations-that maximize surface contact and compression recovery. The "bulb" or hollow sections of these profiles act as springs, compressing when the door closes to form an airtight and dust-tight barrier, then recovering their shape when the door opens.
We also utilize co-extrusion technology to enhance functionality. This process allows us to bond a rigid mounting leg (often made of PVC or a harder EPDM compound) with a soft, flexible sealing bulb. The rigid section ensures secure installation into the door frame's groove or channel, while the soft section provides the necessary compression for effective dust blocking.
Manufacturing Process and Quality Control
Our production of EPDM seal strips relies on continuous vulcanization extrusion lines. Raw EPDM compound is fed into the extruder, melted, and forced through the custom die. As the profile exits, it undergoes a curing process, typically using hot air or microwave energy, which cross-links the polymer chains. This vulcanization sets the material's memory, ensuring it returns to its original shape after repeated compression cycles.
Quality control is integrated directly into the production line. We monitor critical dimensions such as bulb diameter, wall thickness, and overall profile height to ensure they remain within specified tolerances. Consistent density and hardness (measured in Shore A) are verified to guarantee uniform compression force along the entire length of the seal.
RoHS Compliance and Environmental Standards
Compliance with the Restriction of Hazardous Substances (RoHS) directive is a standard requirement in our material formulation. We ensure that our EPDM compounds are free from restricted substances such as lead, mercury, cadmium, and hexavalent chromium. This compliance is essential for clients exporting to regulated markets or those with strict internal environmental health and safety policies. By eliminating these hazardous materials, we provide a sealing solution that is safe for handling and environmentally responsible throughout its lifecycle.
Dust Prevention Performance
The primary function of these seal strips is the mitigation of dust and fine particulate ingress. The customized geometry of the seal is designed to fill the gap between the door and the frame completely. When compressed, the EPDM material conforms to minor surface irregularities, creating a continuous physical barrier. This is critical in environments such as clean rooms, electronic manufacturing facilities, food processing plants, and residential areas where air quality and cleanliness are paramount.
Other main products:
Fabrication and Installation
To facilitate efficient assembly, we offer various secondary fabrication services. The continuous extruded lengths can be cut to precise dimensions, and the ends can be spliced or vulcanized to form corner loops for frames. We can also apply pressure-sensitive adhesive (PSA) tapes to the mounting surface of the seal, simplifying the installation process and reducing assembly time.
Our bespoke factory capabilities allow us to produce EPDM door seal strips that meet precise engineering specifications. By combining the inherent durability of EPDM with custom profile design and RoHS-compliant materials, we deliver sealing components that provide long-term protection against dust and environmental contaminants.
ADVANTAGED SERVICE TO YOU:
1.Lower freight of sample or goods by DHL, as we have DHL account with bigger discount.
2. Lower price from less management cost, less labor cost and land cost from our new plant.
3. Less FOB cost as it is only 1~3 hours drive from our factory to Ningbo or Shanghai port and airport.
4. More solution for plastic/rubber material and prodution as our boss and engineers have 30 years of experiences in rubber plastic industry.
5. More Effective service: prompt reply for your e-mail within 6 hours, good solution for any problems within 12 hours.
6. More advantaged products: rubber molded/injection parts, plastic injection parts, and silicone extrusion parts.
| Order Solution | |
| Order | OEM or ODM welcome. Free sample or slab/button of material for your quality evaluation, mold sample in accordance with drawing for approval of mass production, |
| Payment terms | L/C, T/T, WEST UNION, MONEYGRAM, PAYPAL, ESCROW |
| Lead time | 3~5 weeks for mold production, and 1~2 weeks for mass production |
| Package | As per customer's favour. Shock-absorbing bags, Cartons, Wooden box, and wooden or plastic pallet, |
| Delivery term | FOB CHINA, CIF destination port, DDP customer's warehouse/address of goods |
| Shipment | By air mail, by sea, by express like DHL, Fedex, UPS, TNT, EMS |
| Quality Control | Sample approval before order, QC test report(maybe by third party) before balance. |
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