Heat shrinkable tubes come in many colors, including black, red, yellow, blue, green, orange, purple, white, and transparent. However, the biggest difference in performance is between black and transparent. First, let’s analyze the performance differences between black and transparent heat shrinkable tubes.

Transparent heat shrink tube

   Transparent heat shrink tube refers to a transparent heat shrink tube. The internal components can be clearly seen through the transparent heat shrink tube. The main performance requirement of a transparent heat shrink tube is its appearance, which requires high transparency.

    Transparent heat shrink tubing is very soft, much softer than other colors of heat shrink tubing. Because of its transparent nature, the requirements for material purity are relatively high, and the surface will be relatively delicate, so other auxiliary materials that increase performance cannot be added. Therefore, the shrinkage temperature and working temperature of transparent heat shrinkable tubes are relatively low, and the maximum working temperature can only reach 105°C. The most important point is that transparent heat shrinkable tubes are not flame retardant. Currently, it is not possible to produce flame retardant heat shrinkable tubes made of PE transparent heat shrinkable tubes. This must be noted. If flame retardant properties are required, Never choose PE transparent heat shrink tubing.

Black heat shrink tube

    Black heat shrink tubing refers to heat shrink tubing with a black appearance. It is also one of the most widely used colors at present. The conventional color of heat shrink tubing made of various materials is usually black, and electronic wires on the market are generally also black. This This is also one of the most common reasons why black heat shrink tubing is used.

    The long-term working temperature of black heat shrink tubing is up to 125°C. Because it is black, a large amount of auxiliary materials can be added to improve performance, so the surface of black heat shrink tubing will be rough. For example, flame retardant can meet the flame retardant performance, so the black heat shrinkable tube is flame retardant.

the difference

    In terms of performance, the working temperature and flame retardant performance of transparent heat shrink tubing is slightly worse than that of black heat shrink tubing. The transparent heat shrinkable tube has a temperature resistance of only 105°C and is not flame retardant; the black heat shrinkable tube can withstand a temperature of 125°C and meets the flame retardant requirements.