1. The main characteristic of semi strengthened film is that it has high longitudinal tensile strength and is not easy to break under large tensile force. It is mainly used for packaging seals of boxed items. Common specification thickness is 20 μ m、28 μ m、30 μ m、36 μ m、50 μ m。 

2. Bronzing film. The greatest characteristics are good tensile strength and transparency, stable thermal performance, and low separation force with some resins. It is mainly suitable for small size change during high-temperature processing or for use as a transfer carrier. Normal specification thickness is 9 μ m、12 μ m、15 μ m、19 μ m、25 μ m、36 μ m。 

3. Print composite packaging film. The main characteristics are good transparency, good penetration resistance, excellent chemical resistance, temperature resistance and moisture resistance. It is applicable to the packaging of frozen food, food, medicine, industrial products and cosmetics. The common specification thickness is 12 μ m、15 μ m、23 μ m、36 μ m。