• Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring
  • Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring
  • Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring
  • Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring
  • Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring
  • Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring

Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring

Material: Fluorocarbon Rubber
Application: Machinery, Industrial Component, Electronic Product, Vehicle, Household Appliance
Effect: Fixture&Sealing
Cross-Section Shape: O-Rings
Hardness: Shore a 50-90
Color: Black/Brown/Red/White/Green
US$ 1/Piece 1 Piece(Min.Order)
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Diamond Member Since 2023

Suppliers with verified business licenses

Zhejiang, China

Basic Info.

Model NO.
Shelf Life
5-20 Years
Lead Time
3-15 Days
Two Years
Surface Finish
Very Smooth
Transport Package
PE Bag + Brown Carton
Metric & Imperial
Ningbo China
HS Code
Production Capacity
50, 000, 000pieces/Year

Product Description

Our Advantage

1. Manufacturing of o rings for more than 15 years.
2. Thousands of ready-made moulds are in the factory.
3. Rubber materials conform to ASTM D2000.
4. Appearance is very smooth, and tolerance is tight.
5. High quality, reasonable price, fast delivery & best service.

SAVVY always meets our customers' requirements. To make sure we produce high-quality o-rings, our company implements the following general standards:

1) Raw material incoming inspection standard ASTM D2000 & HG/T 2579-2008 & HG/T 2811-1996
2) Public o-ring dimensional tolerance GB/T 3452.1-2005
3) N-level specification for o-ring appearance quality inspection GB/T 3452.2-2007
4) Hardness measurement model Micro O-Ring Testing (Type M system)
5) Hardness using standard ASTM D2240 Rubber Standard Test Method (Shore A)
6) Sampling inspection specification GB/T2828.1-20

Product Overview

O-ring is a rubber sealing ring with a circular cross-section to seal various fluids such as air, water, and oil. Because its cross-section is o-shaped, it is called an o-shape rubber seal, also called an o-ring. It is the most widely used element in hydraulic and pneumatic transmission systems. It is mainly used for mechanical parts to prevent the leakage of liquid and gaseous media under static conditions. In some cases, o-rings can also be used as axial dynamic sealing of reciprocating and low-speed rotating motions.

Product Specifications

Different elastomers have different compatibility with various chemical elements and their characteristics. See the table below for more material knowledge to order the most cost-effective o-rings from us. 

Material Hardness
(Shore A)
Main Color Advantage Price Level Shelf Life
NBR / Nitrile / Buna-N  60-90 -40 - 120 Black Good oil resistance & low price Low 5-10
HNBR / HSN  60-90 -40 - 150 Green Suitable for the cooling industry High 5-10
FKM / FPM / Viton  70-90 -20 - 200 Brown High-temperature & chemical resistance High About 20
EPDM / EPR  50-90 -50 - 150 Black Excellent weather & ageing resistance Fair 5-10
VMQ / Silicone  40-80 -70 - 220 Red High-temperature & FDA food grade High About 20
Neoprene / CR  50-90 -40 - 120 Black Versatility Properties Fair 5-10
FFKM  70-90 -10 -  320 Black Excellent chemical & high-temperature Highest About 20
FVMQ / Fluorosilicone  40-80 -60 - 200 Blue Wider operating temperature range High About 20
Aflas / FEPM  40-90 -2 - 230 Black Good chemical compatibility Higher About 20
PU / polyurethane  60-90 -40 - 90 Natural High strength and wear resistance High About 1
PTFE 100 -100 - 280 White Good chemical stability Fair About 20

Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring

O-Ring Sizes

An o-ring has three sizes: ID (inside diameter), OD (outside diameter), and CS / W (cross-section/width). Normally, specifying the ID and CS is enough. Namely, a standard o-ring size will be given, ID 20 x CS 2 mm. From the right picture, you can quickly know the

Outside Diameter = Inside Diameter + Cross Section * 2

OD = ID + CS*2

Historically, different countries have formed their standard o-ring sizes, like AS568 for the USA, BS1516 for the UK, DIN 3771 for Germany, JIS B 2401 for Japan, ISO 3601 for International, and GB 3452.1 for China.

Customized o-ring sizes are available in our factory, and our tooling charge is deficient, which is about USD100.00 per size.
Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring

Factory Manufacturing

Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O RingGood Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring
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Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring


Good Chemical Resistance FKM / FPM / Fluorocarbon Rubber O Ring

1. Q: Are you a manufacturer or trading company?
A: We are a manufacturer that designs, develops, and manufactures all rubber seals & custom rubber parts in our factory.

2. Q: How can you make a difference from other suppliers?
A: We have an R&D team and experienced sales with over 15 years of experience. We know our customers' needs and the market's developing trends. We have the most professional production and testing equipment in this field. Equipped with a strong QC department and R&D department, each of our products' quality is under strict control standards. Buy from us with 100% confidence.

3. Q: What's your regular MOQ (Minimum Order Quantity)?
A: If we have products in stock, you can order any quantity, but if we don't have goods in stock, we need a small MOQ, which depends on the different specifications of the product. Please get in touch with our sales.

4. Q: What payment ways do you accept?
A: For small amounts, we accept 100% payment in advance via bank transfer, Paypal, or Western Union. For significant amounts, we prefer to T/T 50% in advance and the balance before shipment.

5. Q: Is the delivery time fast?
A: Yes, usually, it takes several days for ready-mold stocked products, but some items may need 20-30 days or longer time if we don't have them in stock. The production time of a big order is sometimes shorter than that of a small order.

6. Q: What's your shipping term?
A: Door-to-door courier and air cargo are recommended. A large quantity of goods shall be delivered by sea in the terms of FOB, CFR, CIF, etc.

7. Q: What is your guarantee time for your products?
A: The guarantee period depends on the actual working conditions and uses the frequency of your products. However, we promise that any defective parts can be replaced free of charge.

8. Q: What certificates do you have? 
A: Our factory passed ISO 9001-2015, and RoHS, Reach, FDA, etc, approve our materials.

9. Q: What rubber materials are available in your company?
A: Most of the usual rubber compounds, like NBR, HNBR, EPDM, FKM, Silicone, PU, FFKM, PTFE, etc.

10. Q: What are the most advantages of your company?
A: Good quality, low price, and good service.


Many big companies select Savvy for their rubber seals and customized rubber parts because we always satisfy them in quality, price, delivery, service, etc. At the same time, we also attach great importance to the small customers in niche markets.
Whether your purchase quantity is big or small, you are our valuable partners.

High Quality
We continue to manufacture high-quality products for all customers and pursue 100% customer satisfaction, which has become one of our core competencies.

We have rich experience in materials, products, and production and excellent international trade and language communication skills.

Best Services
From quoting, sampling, production, and shipping to after-sales, our sales will provide you with the best service so that you can rest assured completely.

10000+ Projects Delivered
Over 10K projects have been sent to our customers worldwide in recent years, and we have received countless positive comments.

Low Price
Our customers can obtain maximum profits through the ISO management system and intelligent manufacturing to reduce our costs continuously.

Massive Capacity
Our in-house facilities allow us to get your projects done fast. And thanks to our strong relationship with rapid materials partners, our capacity is not limited.

Fast Delivery
Unlimited capacity, experienced engineers, and a flexible production system allow us to create your seals and production parts in a short period.

500+ Happy Customers
We aim to keep every customer happy with reliable quality, fast turnaround, and excellent services. We want all our new customers to become long-term customers.

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Diamond Member Since 2023

Suppliers with verified business licenses

Registered Capital
200000 RMB
Plant Area
>2000 square meters