It is mainly used for road marking.
No.1 glass bead is surface spreading sized, which can be used for surface spreading while constant temperature and hot melt application in order to gain the instant reflecting.
No.2 glass bead is premix sized, which is used as premix material, and is premixed in the coating material while producing hot melt road coating in order to guarantee the long term reflection of the marking within its life period.
No.3 glass bead is used for constant temperature coating as the surface spreading glass bead.
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