Solid Factory Backing 1451-82-7 B.MK 5449-12-7 With P.MK 28578-16-7

For maximum shipment privacy of PM.K CAS 28578-16-7, choose our unmarked outer packaging option. Outside surfaces contain no substance names, brand insignia, or supplier information. Inner labeling is fully regulation-compliant. Where import rules permit, shipping papers can reference non-chemical product categories. Notify us of your packaging preference when placing your order.