product description:
The high temperature label is made of polyimide film as the base material and coated with special pressure-sensitive adhesive. It has good chemical resistance and abrasion resistance, and can withstand temperatures up to 320℃. It is resistant to flux, flux and Chemical substances such as detergents have a certain anti-corrosion effect, and can maintain excellent performance when used in extremely harsh environments with high temperatures and wear.
It is specially designed for printed circuit boards with character or bar code labels, because it can withstand the erosion of solders, fusing agents, etc. faced in the process of producing printed circuit boards. The current thickness is mainly 25um and 50um. The commonly used colors are black and white, matte and bright. High temperature resistant label stickers are widely used in SMT and wave crest manufacturing processes of many electronic products, high temperature resistant labels of products such as motherboards, corrosive products, mobile phones and lithium batteries.
STRUCTURE AND COMPOSITION
The group has three parts: base material, adhesive, and substrate.
l Polyimide film with 25um (or 50um) coating treatment on the base material. Uncoated polyimide film cannot meet the performance requirements, and the coating treatment can better meet the bar code printing required by the process and
Requirements for material color and gloss.
l Adhesive
Now adhesives are generally divided into three categories, rubber, acrylic, silicone, rubber is low cost, temperature and chemical resistance is poor, the outstanding is poor aging resistance, the performance of silicone is superior, but the outstanding is very expensive , Acrylic adhesive, temperature resistance of about 200 degrees, chemical resistance and oxidation resistance is also very good and the price is moderate, now some brand tape adhesives 90% are made of acrylic. High temperature labels use permanent acrylic pressure sensitive adhesive
Substrate Glassine release paper, white single copper release paper, silicon yellow release paper, PET release film
Products are widely used in electronics manufacturing, aluminum, aerospace and other industries.
The circuit board label electronic circuit surface mounting process can be printed with thermal transfer and exhibits the best and first-class reading rate. Even if the label board is directly removed from an environment with solder, the label can still resist stains. If the label is preheated, it can further resist chemical substances such as various solders, fluxes and detergents, as well as extreme high temperature and abrasion environments, ensuring good performance in a variety of extreme harsh application environments.
Motor label
Car engine label
