... of our colored borosilicate colored glass tube. Description of ProductBorosilicate Clear and Colored Glass TubeColor:Clear, dark blue, light blue ... .Deep Processing: Decaling, drilling hole, sandblasting, fire polishing edge.Regular Specification: 7x1.5mm,8x1.5mm ... pipes, laboratory glassware and pharmaceutical industries.* High temperature resistance, It is of well heat stability,* High transparency ...