CLAREX

by Nitto Jushi Kogyo Co., Ltd. The manufacturer of Optical Grade Cell-Cast Acrylic sheets.

Product Information

General Properties

CLAREX General Properties
Properties Test Method
(ASTM)
Unit Measurement Value
Uncoated
PMMA
Hard Coat
PMMA(RH)

■ Optical Properties

Refractive Index D-542 - 1.49 1.53(Surface)
1.49(Substrate)
Total Light Transmittance D-1003 % 93 92
Haze D-1003 % 0.1 0.1

■ Mechanical Properties

Elongation D-638 % 5 3
Tensile Rupture Strength D-638 MPa 75 50
Flexural Rupture Strength D-790 MPa 118 60
Flexural Modulus D-790 MPa 3.2×103 3.2×103
Impact Strength (Izod) D-256 KJ/m2 2.0 -
Rockwell Hardness D-785 M scale 100 -
Charpy Impact Strength D-256 KJ/m2 17 -
Pencil Hardness - H 2~3 6~8

■ Thermal Properties

Heat Distortion Temperature D-648 110 110
Coefficient of Thermal Expansion D-696 cm/cm℃ 7×10-5 7×10-5
Coefficient of Thermal Conductivity C-177 W/m℃ 0.17 0.17

■ Electrical Properties

Volume Resistivity D-257 Ω・cm >1016 >1016
Surface Resistivity D-257 Ω >1016 >1016

■ Miscellaneous

Specific Gravity D-792 - 1.19 1.19
Water Absorption D-570 % 0.3 0.3

※ These are the measured value of 3.0mm thickness sheet, and are not for guarantee.
※ Specifications are subject to change at any time.

CLAREX Chemical Resistant
Test Method

Put each chemicals on the surface and leave it for 24 hours. Check the deterioration / damage by naked eye.

Test Result

◎ No Change observed
△ Small Swelling
× Dissolved or Cracked

Properties Uncoated PMMA Hard Coat PMMA (RH)

■ Acid

Sulfuric Acid(30%)
Sulfuric Acid(98%) ×
Hydrochloric Acid(10%)
Hydrochloric Acid(35%)
Nitric Acid(30%)
Nitric Acid(60%)
Acetic Acid(5%)
Acetic Acid(98%) ×
Oleic Acid

■ Alkali

Aqueous Ammonia(10%)
Sodium Hydroxide(20%)
Sodium Carbonate(20%)
Soap Water

■ Organic Solvent

Methyl Alcohol(100%)
Isopropyl Alcohol(100%)
Ethyl Alcohol(100%)
Ethyl Acetate ×
Toluene ×
Acetone ×
Benzene
Methyl Ethyl Ketone ×
Kerosene
N-hexane
Glycerin

※ These are the measured value of 3.0mm thickness sheet, and are not for guarantee.
※ Specifications are subject to change at any time.

General Properties Data Download

CLAREX Physical Properties (Normal & Hard)(PDF format) (Opens in a new window)

CLAREX Chemical Resistant (Normal & Hard)(PDF format) (Opens in a new window)

※ For browsing method of PDF file, please click here.

CONTACT US

Any Inquiries and requests : Please send us a Message.

Contact from here

To the top of the page