Film Sheets for Touch Panels/Lenses
CR-23XD
LonghuaCR-23xD is a 2-layer structured product, exhibitinggood mechanic processibility with significant hardness, as well as excellent impact and abrasion resistance. It is popular choice for mobile phones, tablet PCs, monitors lens applications.
LonghuaCR-23xD Product Structure
Products and Specification
Bare sheets: using LonghuaEF structured sheets.
Hard coating type: double-sided or single-sided hard coating (D stands for double, S stands for single)
Thickness range：0.5-3.0mm；
Customized products available upon inquiries ranging from 0.2-0.4mm.
Standard hard coating product dimension: 440*550mm (customized products available upon order.)
Customized products with different hardness available upon inquiries.
Typical Property Value
| Properties | Test Methods | Units | LonghuaCR-23xD | |
| Feature | — | — | Two-layer | |
| Specific Gravity | ASTM D792 | g/cm3 | 1.2 | |
| Light Transmission | JIS K7361 | % | >90 | |
| Haze | JIS K7136 | % | ＜1 | |
| yellowness index | ASTM D1925 | — | ＜1 | |
| SteelWool abrasion | LH Test | 100gf/cm2 | Pass | |
| Pencil Hardness | PMMA@0.8mm | JIS-K5600 | — | ＞3H |
| 750g | PC@0.8mm | JIS-K5600 | HB | |
| Tensile Strength | MD | JIS K7113 | MPa | 55 |
| TD | JIS K7113 | 55 | ||
| Impact strength | 22g Bullet shape | mm | ＞100 | |
| Adhesion | ASTM D3359 | — | 5B | |
| Heat & humidity stability | 60℃/95%RH/72h | — | Pass | |
| High Heat Resistance | 60℃/12H | — | Pass | |
| Long Term Heat Resistance | 40℃/168H | — | Pass | |
| Long Term Low Resistance | -20℃/168H | — | Pass | |
| Acid resistance | 0.50% | — | Pass | |
| Alkali resistance | 0.50% | — | Pass | |
| Acetone | LH test | — | All Pass | |
| Chemical resistance | Methanol | — | ||
| Metylene chloride | — | |||
| Cosmetics | — | |||
| Kelosene | — | |||