Laboratory Glass Tubing
Corning Borosilicate Tubing
Pyrex Standard Wall Tubing					NEWPORT INDUSTRIAL GLASS, INC.
Pyrex 7740 Standard Wall Tubing					GLASS TUBING AND ROD DIVISION
Low-Expansion Borosilicate Glass Tubing					( fka HACKER GLASS COMPANY)
Clear Borosilicate Glass Tubing
Standard Wall Glass Tubing
{Warning: The information contained in this chart is subject to change without notice or it may contain compilation errors. Please verify data before relying on it}
Corning	Generic	Nominal	Nominal	Nominal	Nominal	Estimated	Estimated	Nominal	Approx.	Approx.	Approx.	Approx.
Catalog	Name	Outside Dia.	Outside	Wall	Wall	Residual	Inside Dia.	Length	Number	Number	Pounds	Pounds
Number		mm &	Diameter	Thickness	Thickness	Inside Dia.	Tolerance (+/-)	mm &	of Pieces	of Feet	Per	Per
		Inches	Tolerances (+/-)	mm & Inches	Tolerances(+/-)	mm & Inches	mm & Inches	Inches	Per Case	Per Case	Foot	Case
234440	Pyrex Std.	2 mm	0.15	0.51	0.08	0.99	0.30
	Wall Tubing	0.079	0.006	0.020	0.003	0.039	0.012	48	357	1428	0.0035	5
234030	Pyrex Std.	3 mm	0.20	0.61	0.08	1.78	0.36
	Wall Tubing	0.118	0.008	0.024	0.003	0.070	0.014	48	551	2204	0.0068	15
234040	Pyrex Std.	4 mm	0.23	0.79	0.08	2.41	0.38
	Wall Tubing	0.157	0.009	0.031	0.003	0.095	0.015	48	520	2080	0.012	25
234050	Pyrex Std.	5 mm	0.23	0.79	0.08	3.40	0.38
	Wall Tubing	0.196	0.009	0.031	0.003	0.134	0.015	48	390	1560	0.016	25
234060	Pyrex Std.	6 mm	0.23	0.99	0.08	4.01	0.38
	Wall Tubing	0.236	0.009	0.039	0.003	0.158	0.015	48	271	1084	0.023	25
234070	Pyrex Std.	7 mm	0.23	0.99	0.08	5.00	0.38
	Wall Tubing	0.275	0.009	0.039	0.003	0.197	0.015	48	223	892	0.028	25
234080	Pyrex Std.	8 mm	0.23	0.99	0.08	6.02