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item:       Borosilicate 3.3 Glass tubeAdvantage:        A)     a kind of material with high temperature resistance                           B)     high transparency.  Usage:   A)  It is well material for labware,               B)   solar evacuated collector tube,               C)  handicraft and                D)  other high grade glassware usage.Sizes avaliable:        Diameter:   10mm to 300mm ,               &nb