Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of custom wholesale compression molded nbr/silicone/epdm/fkm/ffkm/ptfe rubber seal grommet sealing ring grommets bushings in China. If you're going to buy custom wholesale compression molded nbr/silicone/epdm/fkm/ffkm/ptfe rubber seal grommet sealing ring grommets bushings made in China, welcome to get more information from our factory. We also accept customized orders.
Product Description



Custom Wholesale Compression Molded NBR/SILICONE/EPDM/FKM/FFKM/PTFE Rubber Seal Grommet Sealing Ring Grommets Bushings Uses of Rubber Masking Parts
The core function of a Rubber Masking Part (also referred to as a Rubber Shield) is to provide temporary or permanent coverage and protection for non-working areas. Its primary roles include isolation, sealing, guidance, and anti-misalignment.
Specific application scenarios and functions are detailed below:
Custom Wholesale Compression Molded NBR/SILICONE/EPDM/FKM/FFKM/PTFE Rubber Seal Grommet Sealing Ring Grommets Bushings Surface Treatment Masking (Most Common):
Used in painting, electroplating, anodizing, or sandblasting operations. These parts are attached or fitted over areas that require no processing (such as threaded holes, precision mating surfaces, and logo areas) to prevent adhesion of chemicals, coatings, or abrasives, thereby ensuring subsequent assembly accuracy and surface quality.
Dust & Water Sealing:
Serving as elastic gaskets for equipment housings, covers, or inspection ports, they fill gaps to achieve a specific IP Rating (Ingress Protection Rating). This effectively blocks dust, moisture, or oil ingress into sensitive internal components.
Mechanical Guidance & Cushioning:
In automated equipment or molds, these parts utilize their elastic deformation capability to act as soft limit stops or guide channels. They steer components into the correct position while absorbing impact energy to prevent damage from hard contact.Custom Wholesale Compression Molded NBR/SILICONE/EPDM/FKM/FFKM/PTFE Rubber Seal Grommet Sealing Ring Grommets Bushings
Foreign Object Prevention & Anti-Misalignment:
In specialized jigs and fixtures, they cover sharp edges or locating pin holes to prevent finger cuts during operation or accidental tool insertion.
These parts are typically manufactured from Silicone, EPDM (Ethylene Propylene Diene Monomer), or FKM/Viton (Fluoroelastomer). They must exhibit chemical resistance (acid, alkali, and solvent resistance), high/low-temperature resistance, and excellent resilience. Additionally, they are often designed with snap-fit structures, magnetic backing, or adhesive backing for easy installation and fixation.
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Material |
EPDM, NBR, SBR, NR, Silicone(VMQ), Neoprene(CR), HNBR, XNBR, FKM, FFKM, FVMQ, FLAS, PTFE, PU, ECO, IIR, ACR, etc... |
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Certificate |
ISO 90001:2008, TS16949, FDA, REACH, ROHS, SGS |
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Drawing Format |
.stp / .step / .igs /.stl /.dwg / .pdf |
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Parameters |
Inch, centimeter, millimeter, etc. |
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Function |
Industrial parts /daily supply / Automotive/ Medical device, etc.. |
| MOQ | 100-1000pcs |
| Loading port | Hangzhou, Shanghai, Ningbo or as required |
| Shipment | By air mail, by sea, by express like DHL, Fedex, UPS, TNT, EMS |
| Payment terms | L/C, T/T, WEST cUNION, PAYPAL, ESCROW |
| Manufacturing | ODM & OEM Service |
| Sample lead time | 3-15 days |
| More Parts | Grommet, sleeve, feet, gasket, wheel, bellow, cap, dust cover, pad, washer, Strip, plug, stopper, grip, seal, bushing, bumper, blocks, and anti vibration mounts etc. |
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