Tube is manufactured from borosilicate glass and packaged 100 tubes per vial. The Code -02 has a smaller I.D. to conform to U.S.P XXI requirements.

Item Number	Item Description	PQ
CG-1840-01	Melting Point Tubes, Open Both Ends, 1.5mm-1.8mm OD x 0.20mm Wall, Vial of 100, 100mm Length	P100
CG-1840-02	Melting Point Tubes, Open Both Ends, .8mm-1.1mm I.D. x 0.25mm Wall, Vial of 100, 100mm Length	P100