Description
Technical Parameters
Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of nr rubber washer for vibration-damping in China. If you're going to buy nr rubber washer for vibration-damping made in China, welcome to get more information from our factory. We also accept customized orders.
High-Strength HNBR Rubber Washer
Product Characteristics
|
Material |
HNBR |
| Elasticity & Rebound | Among the highest resilience of all elastomers - returns to original thickness instantly after compression, making it ideal for dynamic cushioning and repeated-impact applications |
| Mechanical Toughness | High tensile strength and exceptional tear resistance handle heavy bolt loads and impact forces without splitting or permanent deformation |
| Vibration & Noise Damping | Efficiently absorbs structure-borne vibration and impact energy, reducing noise transmission in motors, pumps, presses, and industrial machinery |
| Low-Temperature Flexibility | Remains soft and elastic down to −50°C, outperforming most synthetic rubbers in cold-climate and refrigeration-environment sealing |
| Water & Mild Chemical Resistance | Stable in water, alcohols, ketones, and dilute acids - suitable for plumbing, food-processing washdown, and non-oily industrial environments |
| Impact Absorption Under Load | Excellent energy absorption characteristics protect bolted joints and flange surfaces from shock loads and hammering in heavy equipment |
| Food-Grade Options | Available in FDA-compliant natural rubber formulations for food-processing equipment, beverage dispensers, and edible-oil handling (non-petroleum contact) |
| Customization Flexibility | Inner diameter, outer diameter, thickness (0.5–20 mm), and hardness (20–90 Shore A) tailored to specific hygienic, appliance, and industrial equipment requirements |
| Lead Time | 1-3 weeks |
| Payment Term | L/C, T/T, WEST UNION, PAYPAL, ESCROW |
| Hardness | 20-90 Shore |
| Quality certification | RoHS, REACH, FDA (food-grade grades), etc. |
Product Introduction
What Makes NR Washers Stand Out
The High-Elasticity NR Rubber Washer for Vibration-Damping & Impact-Absorbing Seals leverages natural rubber's unique molecular structure to deliver performance that synthetic elastomers struggle to match:
- Instant Rebound for Dynamic Applications - Natural rubber's long-chain molecular structure gives it the highest elastic recovery of any commercially available elastomer. When a bolted joint flexes under vibration or impact, the NR washer springs back immediately, maintaining constant contact and sealing pressure - no lag, no permanent flattening, no loss of cushioning over millions of cycles.
- Built for Impact, Not Just Static Sealing - While many gaskets are designed only to fill a gap, NR washers actively absorb and dissipate impact energy. In stamping presses, construction equipment, conveyor systems, and heavy machinery, they protect flange surfaces and bolt threads from the hammering effects of repeated shock loads, extending equipment life and reducing maintenance.
- Cold-Climate Reliability: Where Synthetics Stiffen - NR remains flexible and functional down to −50°C, making it the practical choice for outdoor equipment in northern climates, refrigeration-environment gaskets, and cold-chain processing facilities where synthetic rubbers lose elasticity and become prone to cracking.
- Quiet Operation Through Vibration Isolation - The high internal damping of natural rubber converts mechanical vibration into negligible heat, preventing it from traveling through bolted connections into equipment frames and building structures. This makes NR washers a go-to solution for noise-sensitive installations such as hospital equipment, office-building HVAC, and precision manufacturing floors.
- Tough Enough for Heavy Loads - High tensile strength and superior tear resistance mean NR washers can handle the clamping forces of large-diameter bolts and heavy flanges without extruding, splitting, or developing stress cracks - a critical advantage in construction, mining, and material-handling equipment.
- Safe for Food and Water Contact - FDA-compliant natural rubber grades are available for food-processing machinery, beverage dispensing equipment, potable-water plumbing, and edible-oil handling applications where petroleum-based oils are not present.
Where NR Washers Perform Best
- Pumps, Motors & Compressors - Base-mount cushioning washers, vibration-isolating flange gaskets, and bolted-joint impact absorbers.
- Construction & Heavy Equipment - Excavator, bulldozer, and crane component gaskets, hydraulic reservoir washers, and structural bolt cushioning.
- Material Handling & Conveying - Conveyor roller cushioning washers, transfer-point impact gaskets, sorting-equipment vibration isolators, and lift-table seals.
- Food & Beverage Processing - FDA-grade washers for filling machines, bottle washers, food-grade pumps, and edible-oil handling equipment.
- Plumbing & Potable Water - Water-main flange gaskets, valve seat washers, filter-housing seals, and cold-water distribution connections.
- Cold-Storage & Refrigeration - Cold-room door gaskets, refrigeration-equipment flange washers, and cold-chain processing machinery seals.
Quality Commitment
- Every production lot is verified for thickness uniformity, dimensional accuracy, hardness, and tensile strength before release.
- Full traceability from raw natural rubber source to finished washer, with batch test reports available on request.
- FDA-compliant grades supplied with food-contact certification; all standard grades meet RoHS and REACH requirements.
- Rigorous incoming-material inspection and in-process monitoring ensure consistent elasticity and mechanical performance across every order.
Company Information
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