Vulkanox MB 2/CZ Rubber Antioxidant from Japan
Vulkanox MB 2/CZ is polymerized 1,2-dihydro-2,2,4-trimethylquinoline antioxidant for NR/SBR tire compounds, offering flex fatigue resistance. HTS 3812.39.9000 as rubber stabilizer. Prevents belt edge cracking in radial tires.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide tire manufacturer specifications confirming dosage rates
• Test for amine content to distinguish from phenolic antioxidants
• Use nitrogen blanketing during storage/import to maintain efficacy