Hyosung adheres to RoHS Instruction Compliance. Products compliant with this directive do not exceed the allowable amounts of the following restricted materials: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE), with some limited exemptions. Hyosung strictly follows RoHS guidelines in purchase and supply materials.