ALL SALES ARE FINAL, with the following limited exceptions:

ASTM will (1) replace defective products and (2) reship orders improperly filled or electronically downloaded, only if an authorization number is first obtained from ASTM's Inside Sales and Technical Support Department.

ASTM will not accept returns: (1) without prior authorization; or (2) after 30 days from shipment of the order. All materials, including the original accompanying packing list, must be returned. The authorization number must be clearly annotated and displayed on the return package.

ASTM reserves the right to determine if an improper or incomplete return will be destroyed or returned to the consumer at the consumer's expense. No funds will be refunded or credited to an account without the return authorization number. To contact the Inside Sales and Technical Support Department, call (610) 832-9585 or email using our webform.