Electronic materials


POLYBUTYLENE TEREPHTHALATE RESINS (COMPOUNDING)

Polybutylene Terephthalate, PBT for short, is a thermoplastic polyester resin derived from copolymerization of 1,4-butanediol and terepthalic acid (PTA). Fiber glass can be added in the later stage of production to ......

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EPOXY RESINS

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 ......

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PROPYLENE GLYCOL MONOMETHYL ACETATE

Propylene glycol monomethyl ether acetate (PGMEA/PMA), also known as propylene glycol methyl ether acetate, is a colorless hygroscopic liquid with a unique odor. It is a non-polluting solvent with multi-functional groups. Its molecular formula is C6H12O3.......

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MOLD CLEANER FOR SEMICONDUCTOR

Semiconductor mold cleaners MC-261 and MC-701 are thermosetting resins formed by mixing melamine resin with organic and inorganic fillers. Our mold cleaners yield good results in removing residuals left on the mold after molding with epoxy resin materials. Due to the ......

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INSULATION PAPER

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 ......

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PHOSPHORUS FLAME RETARDANTS

Our phosphorus flame retardants are halogen-free phosphate-based flame retardants. They are mainly used as flame retardant for various types of engineering plastics, rubber, and printed circuit boards that require to be more eco-friendly (i.e. green products).

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PHENOLIC MOLDING COMPOUNDS

Chang Chun phenolic molding compounds (under trade name of LONGLITE) are heat-hardening resins. Formulated based on the needs and usages of our customers, our phenolic molding compounds are produced by mixing different materials and pigments to the base phenolic resin which we ......

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ELECTRONIC GRADE N-BUTYL ACETATE

N-butyl acetate is a colorless transparent liquid with a pleasant fruity odor. Unlike lower molecular weight homologues (such as methyl acetate, ethyl acetate and propyl acetate), it is insoluble in water, but is miscible with organic solvents, such as alcohol, ......

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α-CYANOACRYLATE ADHESIVE

Our α-Cyanoacrylate adhesive (or commonly known as instant/quick glue) is a single-component, fast reacting, and solvent-free adhesive developed with our own research. It can be used to bind marble, plastic, wood, metal, rubber and ceramic within very short period of time at room ......

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COPPER FOIL

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 ......

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POLYVINYL ALCOHOL FILM

Chang Chun has successfully mass produced polyvinyl alcohol (PVA) film using its own film-forming technology, combined with advantage of producing its raw material, PVA resin, on its own. Polyvinyl alcohol film is one of the important raw materials applied in polarizing films, release films ......

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POLYSULFONE

Polysulfone (PSU) is synthesized from Bisphenol A and 4,4'-Dichlorodiphenyl Sulfone. PSU offers excellent performance in chemical resistance, heat stability (heat deflection temperature of 170℃), and impact strength. With the above characteristics, PSU is a kind of high performance engineering thermoplastic resin.

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WAFER DICING/CLEANING SOLUTION

A water-soluble cleaning solution designed for cleaning wafers during dicing in semiconductors packaging plants. It has low-surface tension with both hydrophilic and lipophilic characteristics, resulting in excellent adsorption to wafers.

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ELECTRONIC GRADE STRIPPER

The primary function of the stripper is to remove the excess photoresist after etching. Our electronic grade stripper is designed for TFT-LCD applications. During TFT-LCD manufacturing, stripper will be heated and then the glass substrate will be immersed. Water is then removed by ......

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HYDROGEN PEROXIDE

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: ......

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ELECTRONIC GRADE PROPYLENE GLYCOL MONOMETHYL ETHER

Propylene glycol monomethyl ether (PGME) and ethylene glycol ether are both glycol ether solvent. From human toxicity’s perspective, toxicity of propylene glycol ether is lower than that of ethylene glycol ......

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POLYETHERSULFONE

Polyethersulfone (PES) is synthesized from Bisphenol S and 4,4'-Dichlorodiphenyl Sulfone. PES offers excellent performance in chemical resistance, heat stability (heat deflection temperature of 195℃), and impact strength. With the above characteristics, PES is a kind of high performance engineering ......

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gamma-BUTYROLACTONE

gamma-Butyrolactone (GBL) is a solvent with high-boiling point. Its advantages of good solubility, dielectric property, and stability make it suitable as an extractant, dispersant, and dyeing auxiliaries. GBL is also an important intermediate for organic synthesis and can be used in fields such as ......

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POLYVINYL BUTYRAL

Polyvinyl butyral (PVB) is a liquid-based resin produced via acetal reaction by having polyvinyl alcohol (PVA) reacting with aldehydes using acid catalyst. It is widely used in safety glass interlayers, adhesive for printing ink, adhesive of wash primer, baking varnish, electronic ceramics, and printed ......

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FLEXIBLE COPPER CLAD LAMINATES

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 ......

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POLYVINYL ALCOHOL

Polyvinyl alcohol (PVA), a white/yellowish granule or powder, is a stable, non-toxic, and water-soluble polymer. PVA possesses good film-forming property, and the film formed from it has excellent adhesion, solvent-resistance, abrasion-resistance, high tensile strength, and great oxygen barrier property. ......

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POLYBUTYLENE TEREPHTHALATE RESIN (NEAT RESIN)

Polybutylene terephthalate (PBT) is a thermoplastic polyester resin produced by having 1,4-butanediol (BDO) and purified terephthalic acid (PTA) going through polycondensation and kneading process. Because it possesses a ......

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EPOXY MOLDING COMPOUNDS

EME (epoxy molding compounds) possess excellent moldability, good mechanical and electrical properties, and high reliability. It is mainly used for semiconductor component packaging, especially for IC (integrated circuits), diodes, transistors, photocouplers, and coils.

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POLYPHENYLSULFONE

Polyphenylsulfone (PPSU) is synthesized from 4,4'-Biphenol and 4,4'-Dichlorodiphenyl Sulfone. PPSU offers excellent performance in impact strength, chemical resistance, heat stability (heat deflection temperature of 207℃). With the above characteristics, PPSU is a kind of high performance engineering ......

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ELECTRONIC GRADE PROPYLENE GLYCOL MONOMETHYL ETHER ACETATE

Propylene glycol monomethyl ether acetate (PGMEA/PMA), also known as propylene glycol methyl ether acetate, is a colorless hygroscopic liquid with a special odor. It is a non-polluting ......

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TETRAMETHYL AMMONIUM HYDROXIDE (ELECTRONIC GRADE DEVELOPER FOR SEMICONDUCTOR & LCD)

Chang Chun is the earliest and also the largest manufacturer of tetramethyl ammonium hydroxide (TMAH) in ......

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HIGH PURITY HYDROGEN PEROXIDE FOR SEMICONDUCTOR

Chang Chun is the largest manufacturer of hydrogen peroxide in Taiwan. Hydrogen peroxide is an important chemical for cleaning wafer in semiconductor plants. Our hydrogen peroxide has the largest market share in Taiwan.......

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