SWKS Seal, with over 10 years experience, is one of the leading shore 70a nbr buna rubber oring manufacturers and suppliers in China. And we also offer the customized service catering to your special requirement. Please be free to buy the rubber products with competitive price from us.
![]() | Product Description |
Shore 70A NBR Buna Rubber Oring
Strict quality control ,advanced design and develop ability.Good sealing solution , long service life.We have more than 2000 o-ring mold tools, so you could get any size here . Mass inventory of o-rings can meet your urgent requirements.
| Product Name | Shore 70A NBR Buna Rubber Oring |
| Material | NBR/Nitrile Rubber/Buna |
| Hardness/Durometer | 30-90 shores A |
| Size | Standard size or Custom Size |
| Warranty | 12 months |
![]() | Details Images |





![]() | Tolerance List |

Remark:
If no special request to sizes, tolerance will according to the above list.
If high request , pls tell us. Higher tolerance is also no problem.
![]() | Quality Control |

①There are more than 80 QC staff to control the quality.
②Every product will be 100% checked before shipping,we won’t let anything defective go.
![]() | Contact Us |

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