Matte release film is a very good high-end compression isolation material, with extremely high filling and temperature resistance, high tensile and tear strength, chemical inertness, and non stick properties. Below, we will explain in detail the matte release filmApplication on FPC.

Matte release film is based on the original PET transparent film, and the raw material formula is adjusted appropriately. After adding silica, the surface of the film has appropriate roughness. Then evenly apply 0.2um-0.6um release silicone oil on the surface of the polyester film and dry it; The product has the characteristics of flat and smooth surface, uniform coating, high cleanliness, stable release force, and good residual adhesive rate of adhesive tape. When selecting PET matte film, there should be no defects such as wrinkles, tears, particles, bubbles, pinholes, etc.

It is mainly applied to FPC , die-cutting industry, food packaging, automotive insulation. The thickness includes 25um, 30um, 36um, 38um, 50um, 75um, 100um, 125um, and 188um.

When quickly pressing FPC flexible circuit boards, it is necessary to cut the release film into suitable specifications and sizes. It is generally recommended to cut it to T: 35 μ M × W: 280mm × L: 350mm, which can also be adjusted according to the size of the FPC layout design, or reasonably optimized and combined according to the existing equipment table specifications. There are manual and mechanical cutting methods. No matter how the cutting is carried out, it is necessary to operate in a dust-free, constant temperature and humidity working environment. Operators must wear dust-free protective equipment and their skin must not come into direct contact with the product.

Mechanical cutting of matte release film mostly uses a flat tension cutting machine. The biggest advantage of flat tension cutting of matte release film is that it can be adjusted in size and speed, and one machine can load and cut up to more than 30000 pieces with accurate accuracy. The flat sheet cutting machine must place one or two demagnetizing rods, one at the cutting edge and the other at the feeding point. The demagnetizing rods must be in contact with the ground, otherwise they will not have any effect.

In laminated copper clad laminates or epoxy resin laminates(FR4),matte release film is a very good high-end compression insulation material with extremely high filling and temperature resistance, high tensile and tear strength, chemical inertness, and non stick properties; Can completely replace copper foil and TPX adhesive barrier film; Save a large amount of material and labor costs, improve production capacity and efficiency; It is an excellent release material for multi-layer board production. Due to its unique and diverse properties, it is also an ideal isolation material for many soft circuit board (FPC) laminations.