The specifications of  rubber o ring:   

Production information
Description	rubber hose, rubber reinforcement hose, rubber hose with fabric reinforcement
Material	EPDM, NBR , silicone or as per customer's need
Compound material	Meet ASTM D2000, SAE J200 RoHS compliance
Hardness	From 20 ~ 90 shore A
Color	Available in any color, according to customers’ requirements
Size	1) state standard and non state standard available 2) different sizes available
Package	PE bag, Carton
Leadtime	8 days for sample, 12~18 days for mass product
Basic propeties	Working Pressure: 0.3-0.9 Mpa
	Bursting Pressure: >1.2 Mpa
	Operating Temperature: -60℃ to ~ + 260 ℃

   The applications of nbr rubber o ring: Rubber parts,, industrial parts, vehicle parts, motorcycle parts,electronics parts, gasket rubber o rings. Why Choose Us? We offer:Industry-Leading Quality,Meet ROSH, FDA, Reach, NSF  On-Time Delivery (across town, or around the globe) Product Liability Insurance Personalized Service with Rapid Response Times Custom Solutions for your Custom Needs Competitive Pricing                                                                                                                                                  FAQ (1)Q: Do you offer samples of rubber product?
A: We are glad to offer you free samples. New clients are expected to pay for the delivery cost,this charge will be deducted from the payment for formal order. (2)Q: How about the lead time?
A: Within10-20 days after getting the prepayment. (3)Q: How can we pay?
A: For small sample shipping cost, you can pay either by paypal or by T/T.  About us Best Seals does more than just supply standard parts, a large percentage of our business is based on custom product.  We sell custom parts to original equipment manufactures (OEM's), and to smaller distributors who have custom products they need sourced.  Custom produced product allows for more complex designs that can tackle problems that standard parts fail to properly solve.  Some of the highlights of our custom products division are:   •Custom products that are manufactured to your sp ecifications. 
•Best Seals can supply custom parts in virtually any material. 
•Professional engineerer team help with the material selection process. 
•Custom materials to meet specific color, fluid resistances, or physical properties. 
•Prototyping of experimental designs.