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By certification 
| Nitrile o rings, we are specialist. |
Best Seal is a professional manufacturer for buna nitrile o rings, our chief engineer has more than 20 years in the rubber filed.
With different request by customer, we can adjust the formula to meet.
There are thousands of tooling inventory for buna n oring in our factory, covering sizes from AS568, DIN, metric size to non-standard size.
| Video Description |
| Product Details |
Description |
Buna Nitrile O Rings |
Material |
Can be various of rubber/ plastic such as EPDM, NBR, SBR, CR, FKM, PU, SILICONE, HNBR, AEM, ACM, XNBR,NR, IIR, PTFE, SILICONE sponge, EPDM Sponge, PVC sponge, EVA sponge, etc. |
Compound material |
Meet ASTM D2000 and can be UL, FDA, ROSH, REACH compliance |
Hardness |
From 20 ~ 90 shore A for different materials |
Color |
Customized |
Size |
All AS568 buna-n o-ring |
Package |
Plastic bag, Carton |
Leadtime |
8 days for sample, 12~18 days for mass product |
Advantage |
Smooth surface with small parting line Less or without burrs/ flashes |
| From below you will know our Buna nitrile rubber o-ring is more than worth what you paid. |
| All of our Nitrile rubber o rings are made of brand material. |
| FAQ |
Q1. What's the payment term?
A: T/T 50% deposit and rest 50% before shipment or L/C at sight, West Union,VISA, Paypal is also accepted.
Q2. what kind of certificates you have ?
A1: We have been ISO9001:2015 certified by SGS since 2016.
A2: Our AS568 standard o ring can be UL, FDA, NSF, KTW, W270, WRAS, ACS, AS4020, EN681, EN549, ROHS and REACH compliance.
Q3. What is the application of buna nitrile o ring?
A: All kinds of oil resistance, such as injector, oil resistance gasket, bumper, Hydraulic and pneumatic sealing parts.
Q4. What is the performance of buna nitrile o ring?
A1: Excellent oil resistance.
A2: Good abrasion resistance, better than NR.
A3: Chemical erode resistant property better than NR, but the resistance of strong oxidizing acid is limited.
Q5: How to check the quality of Buna nitrile o rings?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We provide quality certs such as measurement report, material data sheet, COO, COA, etc. to all customers before delivery.
A3: We accept third party inspection such as SGS, TUV, INTERTEK, BV and so on..
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