PI Varnish (Thermosetting Polyimide)

Electrical insulation and heat resistance are excellent. Continuous operating temperature is 350 ℃, and the instantaneous and can withstand temperatures above 400 ℃. Excellent mechanical properties and long-term heat resistance. Insoluble in all organic solvents and acids, alkaline chemicals are resistant. Semiconductor, LCD alignment layer, FPC will be applied to

Features

Electrical insulation and heat resistance are excellent. Continuous operating temperature is 350 ℃, and the instantaneous and can withstand temperatures above 400 ℃. solid content : 5 ~ 20wt% viscosity : 10cps ~ 12000cps

Specification : package

Description

PI Varnish (Polyimide varnish ; ThermoPlastic Polyimide) Its mechanical feature, electric insulating property and heat resisting property are great. Continuous exhaust temperature is 350℃, momentary temperature is over 400℃. It cannot be used for all kinds of organic solvents and it has resistance against the chemicals such as acid or alkali.

Primary varnish Features

Solvent (NMP) Solid Concentration (15 .0 ± 5wt%) Viscosity (3,000 ± 600 Cps) Density (1.1 ± 0.01g/ml)

Primary Features after film cure

Superior heat-resistant, Humidity-resistance Dimensional stability ight Designed for the requests of light weight Excellent flexible endurance Good flame retardant and chemical resistance

Application

Electronic material : FCCL, Covering materials, Package PCB Semiconductor materials : Buffer coat, LSI, Passivation Optics cable, Vacuum equipment, IC test socket, etc.