Jinan HonHai Industrial Company Limited
Main products:Borosilicate glass,neutral pharmaceutical glass tube,Glass vial and ampoule,soda lime glass tubing,lead free glass tubing,Borosilicate float glass,Lead glass tube,injection glass vial,Infusion glass bottle,glass lamp cover and shade,Borofloat Wafer,Hard g
Products
Contact Us
  • Contact Person : Mr. Yen Frank
  • Company Name : Jinan HonHai Industrial Company Limited
  • Tel : 86-531-86906693
  • Fax : 86-531-86900435
  • Address : Shandong,Jinan,ROOM 331, SHENGKAI FORTUNE PLAZA, NO. 29 LUOYUAN STREET, JINAN , SHANDONG P.R.CHINA
  • Country/Region : China
  • Zip : 250012

Borosilicate square rod

Borosilicate square rod
Product Detailed
Borosilicate square rod, glass rod, square rod 1.Borosilicate square rod 2.OD from 4mm-50mm
Physical Property
No.Physical performanceNumerical ValueUnit
1Coefficient of mean linear thermal expansion(20°C,300°C)3.3±0.110-6K-1
2Transformation temperature525±15°C
3Softening point820±10°C
4Working point1260±20°C
5Density at 20°C2.23±0.02g/cm3
6Mean thermal conductivity(20°C-100°C)1.2w/m2k
7Refractive index0.921
Main Composition
SiO2B2O3Na2O+K2OAl2O3
811342
Chemical Property
Hydrolytic resistance at 98°CISO719-HGB 1
Hydrolytic resistance at 121°CISO720-HGA 1
Acid resistance ClassISO1776-First Class

Borosilicate square rod



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