Chemical preparations for analyses in laboratories, other than for medical or veterinary purposes; Chemical preparations for scientific purposes; Chemical preparations for scientific purposes, other than for medical or veterinary use; Chemical preparations, namely, silica based density centrifugation media, to be used in biochemical and clinical research; Chemicals for use in biotechnological product development; Chemical additives for separating the aqueous phase and the organic phase

WEATHER RESISTIVE MEMBRANE CONTAINING PHASE CHANGE MATERIAL USED FOR BULIDING CONSTRUCTION