OD 5*1.9 ,OD 6*1.9 ,OD 7*1.9, OD 8*1.9 ,OD 9*1.9 ,OD 10*1.9, OD 11*1.9, OD 12*1.9, OD 14*1.9 ,OD15*1.9, OD 16*1.9, OD17*1.9, OD 18*1.9 OD 19*1.9, OD 20*1.9 ,OD21*1.9 ,OD 22*1.9

Model: O-ring Specifications: Complete Specifications

Material:NBR

Hardness: 70-75

Nitrile Butadiene Rubber Is A Copolymer Of Acrylonitrile And Butadiene. It Has Excellent Resistance To Petroleum And Non-polar Solvents, As Well As Good Mechanical Properties.

The Specific Performance Mainly Depends On The Content Of Acrylonitrile. Those With The Content Of Acrylonitrile Higher Than 50% Have Strong Resistance To Mineral Oil And Fuel.

However, Its Elasticity And Permanent Compression Deformation Become Worse At Low Temperature. Low Acrylic Nitrile Rubber Has Good Low Temperature Resistance, But Reduces The Oil Resistance At High Temperature.

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• Payment must be completed within 7 days.
• PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES.
• Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment.

• We Ship to Worldwide.
• We only ship to confirmed PAYPAL addresses. Your PAYPAL address MUST MATCH your Shipping address.
  
• Orders processed within 24-48 hours of payment verification. it will take 15-25 days for delivery. but Customs will random inspection some parcel, so that's why some parcel need more than four weeks to arrive. Shipping time is only estimated and not guaranteed.
• Package to USA will Shipping by E-Package with Tracking Number(7-15 Days to Delivered). To other Countries will shipping by Post Air Mail without tracking number(ONLY when the order is over 20USD will supply Tracking Number Shipping Way!)(15-35 Days to Delivered)
• Items are shipped via China Post Air Mail.

• Not accept returning of electronic components.
• Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer
• If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it.