How to improve the appearance of PCR/TBR

The appearance quality problems usually have the following types

1 Inconsistent chromaticity of sidewall appearance

· achievement color uniformity by tire finishing paint

2 Rainbow colors under the sunlight

· Insufficient mixture of the aromatic oil or other petroleum-based softeners in the mixing process. After high temperature vulcanization, It appears as a rainbow in the sunlight.

· Adjust the formula

3 The sidewall appears white or brown

· Improper anti-aging system

· Adjust the type and dosage of anti-aging agent TMQ 4020 and 3100 rubber protective wax