Neoprene
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We are one of the first and the most creditable manufacturer of neoprene (the cap plate of the bridge) and its products are based on the international standards DIN 4141 and ASTM D 4014 in Iran. The organization is also proud to codify the national standard for the cap plate of the bridge. Neoprene (the cap plate of the bridges) manufactured following DIN 4141 or ASTM D 4014 standards are in different sizes and made of rubber and steel layers for bridges with different forces and mouths. These parts are capable to endure vertical and horizontal loads of the bridges. They can also rotate around different axes as well as simultaneous alterations caused by movements such as pressure, contraction, temperature, creep, etc.
The Elastomer in this product is resistant to weather conditions and its lifetime is more than twenty years. The manufactured cap plates are verified by the Iranian Institute of Standards and are used in many projects.
The tolerance of elastomeric pads
All Elastomer layers such as sheets, covers, and simple pads have the same thickness. All steel plates inside the pads are made of the same thickness. Unless based on the customers’ order the pad’s thickness mainly the last steel plate adjacent to the external sheet would be different.
The variations of parallel plates and the designed level should not have an average slope of more than 0/005 for the upper level and 0/006 for the side level.
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