CALL FOR A QUOTE! 800-321-7436 432-684-9985 HOME SERVICES OUR PRODUCTS RESOURCES GALLERY CONTACT RESOURCES To see complete information on our current resin listings, please visit the Plastics Pipe Institute website. All of our certified resins and corresponding application standards are available from PPI by clicking under the "PPI Publications" column, then "General Literature", then "Technical Reports" and lastly "TR4 2019". Independent listings will be on page 30 for our 4710 materials and page 26 for our older 3608 materials. Resin certifications by batch will be provided upon request. As well as resin listings, the Plastics Pipe Institute is generally recognized as the most authoritative source for polyethylene pipe installation guidelines, tools and general information. Please click on the following link to access the PPI website. Learn More › Print Friendly Home Services About Polyethylene Pipe Specifications Dimensions Resources Gallery Contact CONTACT 1823 South Midkiff Midland, TX 79701 800-321-7436 432-684-9985 Copyright © 2020 - 2021 | Co-ex Pipe Co. | All Rights Reserved.