As a prominent player in the industry, National Plastics and Seals supplies precision-machined and fabricated plastic parts and distributes: Plastic Sheets, Rods, and Tube Profiles for Heat-Shrink Tubing Rubber goods National Plastics and Seals has been in business since 1985 and has earned a reputation for "standing above the crowd" when it comes to satisfying your needs for quality, dependability, competitive price, technical support, and unmatched service. We hold an ISO 9001:2015 certification. In addition to being a full-line distributor of plastic sheet, rod, and tube, National Plastics and Seals offers the combined services of an in-house fabricator. With a reputation for delivering top-notch products on schedule, our plastic fabrication department is the best in the business.