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Semi-nylon lens coating

STC-5660 PCTG Lens Hardcoating (Primerless)

  • Product Details

STC-5660 PCTG Lens Hardcoating Sol is heat-curable nanoparticle resin solution in alcohol solvent. It is formulated specially for unprimed PCTG lens. The cured coating exhibits excellent abrasion resistance while retaining its flexural strength.

1. Basic Specification

Property

Unit

Values

Method

Coating Sol

Bulk Density

g/ml

0.950-0.970

Gravitometer

Viscosity

cp

8—12

GB/T1723-93

Solid Content

%

28—30

180, 30min

PH Value

-

4—6

-

Cured Film

Light Transmission

%

90

-

Pencil Hardness

H

-

Chung Hwa Drawing Pencil

Adhesion

-

OK

Crosshatch, 3M 810 tape

Scratch Resistance

-

OK

0000#steel wool, 200g load, 20 cycles

 

 

Hot Water Resistance

 

OK

80, 30min

2. Production Environment

Working Temp.: 18°C-22°C

RH: 40%-60%

Clean Room: class 1000-10000

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