• Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    We do business with each other for long time and will continue our cooperation. Quality partner!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Alexiou Aris
    Good quality and competitive price, I'm sure we will go further and further!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Work together long time, we like friends each other, easy to get along with, very pleasant cooperation!
Contact Person : Leela
Phone Number : 86-13586885132
WhatsApp : +8613586885132

JIS B2401 Sealing Element NBR Silicone Rubber Ring Abrasion Resistant

Place of Origin China
Brand Name WEIWO
Certification ISO9001:2008
Model Number 315*3.55
Minimum Order Quantity 1,000pcs
Price negotiation
Packaging Details strapping with a plastic bands, 200pcs per string
Delivery Time one week for new samples
Payment Terms T/T, Western Union, L/C
Supply Ability 100,000pcs per month
Product Details
Product Name Seal Ring Material NBR
Application Valve Color Customized
Net Weight 1.08g Molding No Need
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JIS B2401 Silicone Rubber Ring


NBR Sealing Element


NBR Silicone Rubber Ring

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Product Description

O ring custom seal ring type silicone rubber ring high temperature resistant



We are specialize in the sales, supporting and technical services of high quality oil seals, hydraulic & pneumatic seals, sealing materials, engineering rubber and plastic.


Products can be used in engineering machinery, injection molding machinery, hydraulic machinery, transmission machinery, sewing machinery, ceramic machinery, port machinery, metallurgical machinery, mining machinery, iron and steel machinery, forging machinery, hydraulic press, compressor, die casting machine, machine tool, Marine engineering and hydraulic pump, valve and other fields and industries.


With excellent logistics system, excellent management and sales experience, rich and professional sealing application technology, as well as reasonable price, perfect service system, we provide our customers with high quality hydraulic, pneumatic and sealing components.


We continue to serialization, scale and specialization of products have been developed, forming a strong technical and business advantages, thus winning the support and favor of the majority of customers.



Temperature -70~220°C
Feature Resistance to high pressure, oil, weather, abrasion, solvent, high temperature, abrasion resistant, aging resistant, insulation, acid and alkaline resistant
Certificate ISO 9001:2008,TS16949
Hardness 20-90 shores A
Size Any size, Customized/standard and nonstandard
Sample time If in stock, within 3 days after payment
Shipping Small quantity: UPS/FeDex/DHL express Large quantity: by Air/Sea
Customized OEM & ODM are welcomed
Delivery time 7-15 days by express after payment10-20 days by ship
Packing Plastic bag&carton box or according to your requirements
Application Chemical industry, petroleum industry, medical technique, food industry, sewage-disposal industry, steel industry, semi-conduct industry and so on


NBR o rings gasket size Details
AS 568 Standard size, with cross section, 1.78mm, 2.62mm, 3.53mm, 5.33mm, 6.99mm

JIS B2401 Standard size,with cross section, 1.90mm, 2.40mm, 3.10mm, 3.50mm, 5.70mm, 8.40mm

GB3452.1 Standard size, with cross section, 1.80mm, 2.65mm, 3.55mm, 5.30mm, 7.00mm

Metric Size, with cross section, 1.00mm, 1.50mm, 2.00mm, 2.50mm, 3.00mm, 3.50mm, 4.00mm, 4.50mm, 5.00mm, 5.50mm, 6.00mm, 7.00mm, 8.00mm, 10.00mm, 12.00mm


NBR Rubber o rings Gasket
Fluorocarbon seal is commonly considered to use in mechanical devices requiring maximum resistance to elevated temperatures, to many special medium, and to high vacuum applications, such as automobile, vacuum equipment and others.


Working temperature range. Considered to be -15℃ to 230℃ (5℉ to 446℉) For short working periods or still work, it may take 250℃ (482℉)

High chemical stability. Generally speaking, FKM resist strong acid and weak alkali. Additionally, it has excellent resistance in mineral oils and

has improved exceptional properties such as improve the resistance to chemical attack and expand the temperature range.


Certification: RoHS, FDA, UL94-V0, SGS

Hardness: 55-90Shore A


How to select the right material
It's important to select the right rubber material for the applicaton and the environment. Most rubber materials will have the flexibility to be used in rubber applications, can work with you to identify the best, most cost effective material for your application.


1.What medium will contact when using, oil, chemicals...?
2.What is application temperature?
3.Dynamic seal or static seal?
4.Surface seal or shaft seal?


Manufacture process:

JIS B2401 Sealing Element NBR Silicone Rubber Ring Abrasion Resistant 0


Strict Quality control:


1)Selected raw material, no smell, safe and environmental

JIS B2401 Sealing Element NBR Silicone Rubber Ring Abrasion Resistant 1


2)Semi-finished o ring, fine workmanship, smooth surface

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Packing and delivery:


Packing Details : Inner package with PE bag, outer package with carton.

Delivery Details : Within 2 days for stock products. Around 25 days for customized products.

We usually ship by express, by sea or by air. You can also collect them by your own forwarder.


Competitive Advantage:

1) We specialized in producing rubber o rings,NBR o ring for many years.

2)Our silicone o rings can meet High quality Standard, and we always produce goods for Parker & NOK on OEM service. But price much better.

3)OEM/ODM Service are available.We can design and produce variours non-standard Rubber Parts according to your requirement.

4)All products are 100% inspected before delivery.



It's widely used in sanitary ware accessories, lamps and lanterns, auto parts and valves.

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Picture show:

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