Optical Brightener OB-1 with Yellow and Green apperance,powder form,it has higest melting point 360 ℃，most customers use it on PVC ,ABS,PP,PE,MASTERBATCHES,POLYESTER STABLE FIBER,FILLER,COMPOUNDS etc.
Product Name:Optical Brightener OB-1
Chemical Name:2.2’-(4.4’-diphenol vinyl) dibenzoxazol
Technical Index:Appearance:yellowish green powder
Recommend Dosage:200-500g per 1000kg material
Package:10KG/25kg per fiber drum with 450kg or 500 kg or 675kg/pallet
Optical Brightener OB-1 produced from China only,but world wilde use it to make master batches,then the optical brightener
masterbatches and compound are used in the plastics industry.