Free Crystal™ is suitable for the Optical bonding between Cover material and Display such as TFT-LCD, and OLED. Features for perfect visibility – Free Crystal™ OCA Good Transparency for optical use Wide thickness range from 300μｍ to 2000μｍ Achieve both good adhesion and good softness No bubble, No delamination, No colour change in Automotive spec Reliability test No bubble, nor delamination in High altitude test of the Aviation industry CategoryTestTestmethodeBedingungenNT-H 0,5 mm (T) OpticalHaze (%)Haze meter (Glass / OCA / Glass conf.) room temperature0.5＞ OpticalTotal light transmittance (%)Haze meter (Glass / OCA / Glass conf.) room temperature91＜ Opticalb *Haze meter (Glass / OCA / Glass conf.) room temperature0.5＞ OpticalRefractive indexJIS K 7142T = 23 ℃, l = 589nm, (Na, D Line)1.48 Adhesive180 ° peel strength (N / 25mm)Peeling speed: 30 mm / minAgainst Glass38 Adhesive180 ° peel strength (N / 25mm)Peeling speed: 30 mm / minAgainst PC (Polycarbonate plate)28 Adhesive180 ° peel strength (N / 25mm)Peeling speed: 30 mm / minPolarizing plate (TAC)25 Recommended Applications ・For the optical bonding of Various Automotive Displays (Flat, Curved, Free Shape) ・For the optical bonding of LCD Module with metal bezel (Frame) Free Crystal™ – Special Feature Site of BANDO JAPAN
