Borosilicate Glass, China Suppliers and Manufacturers

Borosilicate Glass

Supplier Info

Jinan Munan International Trade Co., Ltd.

[China Supplier]

Contact Person : Mr. Chai Slyvia

Tel : 86-531-81180905

Fax : 86-531-88033316

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Borosilicate Glass borosilicate glass tubes are widely used in the laboratories, chemical factories

Borosilicate Glass

Physical data sheet

No.	Physics performance	Numerical Value	Unit
1	coefficient of mean linear thermal expansion(20ºC;300 ºC)	3.3±0.1	10-6 K-1
2	Transformation Temperature	525±15	ºC
3	Softening point	820±10	ºC
4	Working point	1260±20	ºC
5	Density at 20ºC	2.23±0.2	g/cm2
6	Mean thermal conductivity(20ºC-100ºC)	1.2	W/m.K
7	Refractive Index	0.92	l

Chemical Composition in approximate weight %( main components)

Item .	SiO2	B2O3	AL2O3	Na2O +K2O
%	81	13	2	3.08

Chemical Data:Hydrolytic resistance at 98ºC ISO719-HGB 1Hydrolytic resistance at 121ºC ISO720-HGB 1water resistance Grade 1 Test method: ISO1776Acid resistant Class Grade 1 Test method: ISO1776

Borosilicate Glass

Borosilicate Glass
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Borosilicate Glass
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