Shrink tunnel manufactures In tamilnadu Shrink tunnel Model SP3020, SP4525, SP4535L & SP 6535L adopts hot-wind & down-cyclone structure, intelligence temperature control and AC variable speed regulation. There are two optional conveyors, including Teflon belt type and roller type. Shrink tunnel are applied to heat shrinkable film such as PVC, POF, PP etc, Features: Both the height of tunnel and shutters on two sides are adjustable. Shrink wrapping machine SP 4525 adopts single hot wind tunnel, Shrink wrapping machine SP 4535L & SP 6535L are designed with lengthened double hot wind tunnel for higher and better shrinking effect.