Chang Chun’s epoxy resins are multi-purpose and high performance products developed using our own technologies. We offers broad portfolio of epoxy resins. For Bisphenol-A (BPA)-based epoxy resins (BE-series), we have solid, liquid, and solvent types, all of which are suitable for coating and composite material. We also ......More→
Paper-phenolic copper clad laminate, made from bleached kraft paper impregnated with phenolic resin, offers advantages of low-cost and suitable for punching process. It is generally used in home appliances, IT peripherals, consumer electronics, and ......More→
Chang Chun’s insulation paper is used mainly in phenolic resin copper clad laminate (CCL), CEM-1 composite CCL, PCB back up boards, laminated sheets, and decorative boards. Our insulation paper offers high level of cleanliness and excellent resin impregnation rate. Its size and properties can be tailored to ......More→
Since 1987, Chang Chun has been conducting independent R&D on manufacturing technologies for copper foil. Mass production of copper foil began in 1988, and production plants were setup in both Miaoli, Taiwan and in Changshu, Jiangsu province, China. Full range of specifications and sizes were developed for high-tech ......More→
Hydrogen peroxide is a colorless transparent liquid with a slight odor of ozone and can be mixed with water in any proportion. Its molecular formula is H2O2 (with molecular weight of 34). Hydrogen peroxide is an economical chemical that is widely used in various industries, such as: ......More→
Composite epoxy copper clad laminate is made by pressing fiber glass with different base materials (insulation paper or fiber glass mat) that are impregnated with epoxy resin. It offers the advantages of low price and is suitable for punching processing. It is ......More→
We also offer phenolic resins as a hardening agent for the electronic industry. They offer good mechanical strength, dimensional/thermal stability, and resistance to electricity, solvent, and acid. They are widely used in molding materials (including ......More→
Our LONGLITE® dry film photoresist is negative and water-soluble type with good resolution and adhesion. It is suitable for various processes, such as acid etching of fine lines, tenting, electroplating copper, and other PCB manufacturing processes.
Our flexible copper clad laminates are sold by RCCT Technology Co., Ltd., an affiliate of Chang Chung Group. They are manufactured using the technologies of Rogers Corporation, an advanced American industrial technology company and supported by Chang Chun’s strong ......More→
Our LONGLITE® liquid photoresist is a negative and water-soluble type. It is designed for roller coating machines (horizontal or vertical) with excellent resolution and adhesion, which is suitable for acid etching printed circuit boards.