ORK offers the seal industry's largest inventory of o-rings, which includes every standard AS568 and ISO 3601 size, and the following:
In addition to standard imperial and metric sizes, ORK also carries a wide variety of non-standard sizes. With over 8,000 different o-ring sizes in-stock, we have exactly what you are looking for and we can assure immediate delivery of any size in large or small quantities.
| NBR 70 TEST REPORT ASTM D2000 M2BG 714 B14 EO14 EF11 EF21 EA14 F17 | |||
| PROPERITIES | SPECIFICATION | TEST RESULT | TEST METHOD |
| Hardness shore A | 70±5 | 72 | D2240 |
| Tensile MPA Min | 14 | 14.5 | D12 |
| Elongation % Min | 250 | 315 | D412 |
| Gravity | 1.263 | D297 | |
| Heat resistant 70h 100℃ Hardness change | ±15 | +5 | D573 |
| Tensile strength% | ±30 | +15 | |
| Elongation Max | -50 | -12 | |
| Compression Max 22h at 100℃ | 25 | 14 | D395 |
| NO1 oil resistant | |||
| Change in hardness | -10~+5 | +1 | D471 |
| Change in tensile Max | -25 | -16 | |
| Change in Elongation | -45 | -20 | |
| Change in Volume% | 0~25 | +6 | |
| Fuel resistant 70 H at 23℃ | |||
| Hardness change | ±10 | +3 | D471 |
| Tensile change Max | -25 | -8 | |
| Elongation change Max | -25 | -10 | |
| Change in Volume | -5~+10 | +3 | |
| Water Resistant | D417 | ||
| Change in Hardness | +3 | ||
| Change in tensile | +5 | ||
| Change in Elongation | -14 | ||
| Change in Volume | ±15 | +3 | |
| Low Temperature resistant | D2137 | ||
| 3 MIN -40℃ | Non brittle | Pass | D2137 |

Process Flow:
Raw material test → Prescribe → Mixing Material → Cutting Material → First Cure → First Part Inspection → Casual Inspection
→ Burr Dealing → Eye Inspection → IPQC → Washing or Grinding → Post Cure → FQC → Packing

Packing & Delivery:
Packing: PE bag inside, Carton outside.
Carton size: 46cm*34cm*34cm,40cm*34cn*34cm 51cm*34cm*34cm, 29cm*23cm*19cm
Delivery: Large quantity by ship, small quantity by air or express.

FAQ:
1,Are you manufacture or trading company ?
We are manufacture, we have two factories, one located in Shangrao City,
Jiangxi Province, one in Dongguan City, Guangdong Province
2,Can I get samples from you ?
Of course, you can. If the samples you need we have in stock, you can get them for free,
only need to pay for the express cost.
3,What's the term of payment ?
Amount < US$2000, 100% paid in advance by paypal or T/T;
Amount >= US$2000, 30% paid in advance, 70% balance before shipment by T/T.
4,Can you produce OEM products ?
Yes, we can produce products by your drawing or samples.
5,What's your MOQ ?
If we have the products in stock , the quantity by your requirement, If we don't have them in stock:
NBR, SIL, SBR, EPDM, NR: 100 US$; PU, HNBR, FKM: 150 US$