تقلص لفة التفاف أسود

Shrink Wrap Roll Black Stretch film is divided into colorful stretch film and colorless stretch film, what is the difference between the two? The production conditions of black stretched film are very strict, the melting point is 178 °C, and the maximum crystallization temperature is 141 °C. The stretching process conditions are mainly related to temperature. In order to obtain high-performance and high-quality black stretched film, strict requirements are required. Control the black stretch...