Van sealing strip (Container rubber seal strip) is mainly used for container container door seal. According to their functions can be divided into a weatherproof seal strip (Universal Container general cargo), airtight seals (insulated containers with) categories. Its cross section can be divided into "J" type, "C" type, "CO" type, "O" type, "JC" Hybrid and duplex combination. Container seal ambient temperature is -45 ℃ ~ + 80 ℃. Usually PVC materials for production, under normal conditions, the service life of less than 15 years. 1. lightweight, toughness, lightweight and has a strong toughness 2. insulation low thermal conductivity, superior insulation 3. Non-absorbent having a closed cell structure, low water absorption cushioning impact resistance 4. Excellent It can be used as cushioning material 5. Weatherability excellent weather resistance. EPDM sponge by ozone-based test (50pphm * 40.C * 72 hours).