... heat bond, radio frequency welding, ultrasonic welding, vacuum forming, laminating and printing. Available types: ester, ether (hydrolysis resistant), heat melt adhesive ... resistant, anti-oxidation, anti-ozone, and anti-aging. Surface available: transparent, semi-transparent, matted, glossy, colors and textured…etc. TPU is a ... replace PVC (Vinyl) for environmental protection. ester Based TPU film