Description

LonghuaCR-23xD is a 2-layer structured product,  exhibiting good 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

PropertiesTest MethodsUnitsLonghuaCR-23xD
Feature——Two-layer
Specific GravityASTM D792g/cm31.2
Light TransmissionJIS K7361%>90
HazeJIS K7136%＜1
yellowness indexASTM D1925—＜1
SteelWool abrasion  LH Test100gf/cm2Pass
Pencil  HardnessPMMA@0.8mmJIS-K5600—＞3H
750gPC@0.8mmJIS-K5600HB
Tensile  StrengthMDJIS K7113MPa55
TDJIS K711355
Impact strength22g Bullet shapemm＞100
AdhesionASTM D3359—5B
Heat & humidity stability60℃/95%RH/72h—Pass
High Heat Resistance60℃/12H—Pass
Long Term Heat Resistance40℃/168H—Pass
Long Term Low Resistance-20℃/168H—Pass
Acid resistance0.50%—Pass
Alkali resistance0.50%—Pass

AcetoneLH test—All Pass
Chemical resistanceMethanol—

Metylene chloride—

Cosmetics—

Kelosene—