O Ring Size
IBG sealing offers AS568 standard o-rings,metric,DIN,ISO3601,JIS B2401, and custom sizes in a wide variety of materials.

Seal design is an important factor in food,dairy,beverage and pharmaceutical processing.

An o-ring is a very important part of that seal.
An o-ring is a doughnut-shapes seal manufactured in a special elastomer.
O-rings are generally installed in a seal to prevent leaking and unwanted escape or loss of fluid.

O-rings NBR 70 (Nitrile) Shore A
Black NBR 70 o-ring,also known as a Nitrile o-ring or Buna-N O-rings most widely used elastomer in the seal industry today.
NBR is a standard material for Hydraulics and Pneumatic. NBR / Nitrile o-rings resists oil-based hydraulic fluids,fats and oils.
Temperature range -30℃ to 120℃ with
Durometer/Hardness 70±5.If you are looking for different shore A o-rings please contact IBG sealing.

Standard Packaging: PP bag inside, labelled detailing batch No., name, material, size, quantity and delivery date. Carton box outside, then put on the pallet . All sign our logo.

Customized Packaging: Special packaging request is welcomed.

Shipping Time:
if in stock, goods will ship on the Same or Next Business day after receiving full payment.
7 days if goods out of stock with molding
15 days if goods out of stock without molding
Store, prompt shipment if annual requirement informed


Shipping Terms:
By Sea, By Air, By Express ( such as DHL, FedEx, EMS, DEX,TNT,UPS,etc), We ship WORLDWIDE on most products unless otherwise stated. International buyers please email for shipping costs. We reserve the right to refuse sales to international buyers with unconfirmed shipping addresses.


Payment Details:
T/T ,Western Union,Paypal,Money Gram ,L/C at sight,etc.

1.Q: Are you a factory or trading company?
A: We have factory in Shijiazhuang, Hebei with export license. We have the most convenient transportation conditions.

2.Q: Where is your factory located? How can I visit there?
A: Our factory is located in Shijiazhuang City, Hebei Province, China. All our clients, from home or abroad, are warmly welcome to visit us!

3.Q: Can you do OEM?
A: Yes, we can do OEM products. It's no problem.

4.Q: How can I get some samples?
A: 1.We are honored to offer you samples by express. Abroad clients are expected to pay for the freigh cost, the samples are free. For clients in China, we pay express fee.
2. Regarding the courier cost:
(1) you could arrange a RPI (remote pickup) service upon Fedex, UPS, DHL, TNT, etc. to have the samples collected;
(2) inform us your express freight collect account. Then you can pay the freight direct to your local carrier company;
(3) Transfer the cost to us in advance, the sample will be sent after receiving the payment

5.Q: How does your factory do regarding quality control?
1). All raw material we used are imported; Cooperation with Dupont, JSR and large raw material recip database, make our material properties are relatively stable, products' quality be control.
2). Skilled workers care every details in handling producing and packing processes;
3). Quality Control Department specially responsible for quality checking in each process. 

Bellow

Rubber Bellows

Rubber Expansion Joint