National Plastics and Seals is recognized as an industry leader in the supply of precision machined & fabricated plastic part ... s, and the distribution of: • Heat shrink tubing • Plastic Sheet, Rod and Tube Profiles • Rubber products In business since 1985, National Plastics and Seals is known as “standing above the crowd” in meeting your requirements of quality, reliability, competitive pricing, technical support and unsurpassed service. We are certified to ISO 9001:2015. National Plastics and Seals provides the integrated services of being both an in-house fabricator and full line distributor of plastic sheet, rod and tube. Our plastic fabrication department is the best in the industry with a history of providing the highest quality and on time delivery. read more