How to improve the appearance of PCR/TBR
The appearance quality problems usually have the following types
· achievement color uniformity by tire finishing paint
· 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
· Improper anti-aging system
· Adjust the type and dosage of anti-aging agent TMQ 4020 and 3100 rubber protective wax