Item

Standard

Requirement / Specification

Material Analysis

ASTM 1252

Main component: methyl methacrylate resin

Density (23°C) g/cm³

CNS 1333 (2017)

≤ 2.3

Tire Adhesion

CNS 1333 (2017)

After 25 minutes of application, coating film should adhere to tire surface

Abrasion Resistance (100 revolutions)

CNS 1333 (2017)

≤ 50 mg

Compressive Strength (23°C)

CNS 1333 (2017)

≥ 200 kgf/cm²

Slip Resistance (BPN)

ASTM E303-93 or equivalent

≥ 65 BPN

Acid Resistance

CNS 1333 (2017)

No abnormality (no blistering, discoloration, or peeling)

Water Resistance (24 h)

CNS 1333 (2017)

No abnormality after water immersion

Thermal Stability (120°C, 8 h)

CNS 1333 (2017)

No blistering, swelling, peeling; film condition comparable to control specimen

Lead (Pb)

CNS 15931 (2016)

≤ 600 ppm

Cadmium (Cd)

CNS 15931 (2016)

≤ 100 ppm

Mercury (Hg)

CNS 15931 (2016)

≤ 100 ppm

Hexavalent Chromium (Cr6+)

CNS 15931 (2016)

≤ 300 ppm

Accelerated Weathering

CNS 1333 (2017)

*Note 1

Formaldehyde Content

According to appendix

≤ 500 ppm

Polycyclic Aromatic Hydrocarbons (PAHs)

≤ 500 ppm

Polychlorinated Biphenyls (PCBs)

≤ 500 ppm

Volatile Organic Compounds (VOCs)

≤ 500 ppm