What is TPE expansion joint tape
TPE expansion joint tape is a waterproof sealing material specifically designed for building expansion joints and seams. It combines the elasticity of rubber and the plasticity of plastic, effectively coping with structural displacement and achieving long-term stable waterproof sealing.
Core features:
| Characteristic dimension | specific description |
| core material | Mainly composed of thermoplastic elastomers (such as SEBS), often reinforced with polyester fibers. |
| temperature resistance | The temperature range is wide, usually up to -70 ℃ to+120 ℃. |
| Elasticity and durability | High elasticity, low compression permanent deformation (about 22% under testing conditions), aging resistance, and a service life of up to 20 years. |
| Physical properties | Low density (<1), lightweight; The hardness changes little with temperature and has good stability. |
| Safety and Environmental Protection | Non toxic and environmentally friendly, free of heavy metals, and up to food hygiene standards. |
| Installation convenience | Some products are designed as pre formed tape with backing adhesive or metal core, which can achieve quick installation. |
Main application scenarios
TPE expansion joint tape is mainly suitable for joints that may experience displacement and require flexible sealing, such as:
◉ Underground engineering: Expansion joints for tunnels and underground pipe galleries.
◉ Transportation facilities: joints in bridge and road engineering projects.
◉ Exterior walls and roofs of buildings: expansion joint sealing for precast concrete panels, curtain walls, and roofs.
◉ Expansion joint treatment for bathroom, wall corners, and other areas.
summary
TPE expansion joint tape is a commonly used material for building waterproof sealing. It has excellent waterproof performance and flexibility, which can effectively prevent water leakage and adapt to gap displacement caused by temperature changes or structural deformation.
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