Neutral glass tube:
Clear tubing:
Chemical Data
Water Resistance to ISO720 1
Water Resistance to European Pharmacopoei   1
Water Resistance to USP23 1
Acid Resistance Class(DIN12116) 1
Alkali Resistance Class(ISO695) 2
Physical Data
Physical Performance Data Unit
Coefficient of Mean Linear Thermal Expansion(300C) 7.0/-0.1 10-6K-1
Transformation Temperature 550 /-15 C 
Softening Point 750 /-10 C
Working Point 1110 /-20 C
Density at 20C 2.46 /-0.02g/cm3

Amber Tubing
Chemical Data
Water Resistance to ISO720 3
Water Resistance to European Pharmacopoeia 3
Water Resistance to USP23 3
Acid Resistance Class(DIN12116) 3
Alkali Resistance Class(ISO695) 4
Physical Data
Physical Performance Data Unit
Coefficient of Mean Linear Thermal Expansion(300C) 7.8/-0.1 10-6K-1
Transformation Temperature 525 /-15C
Softening Point 720 /-10C
Working Point 1080 /-20C
Density at 20C 2.47 /-0.02g/cm3

   Outside Diameter: from 6mm to 32mm.
   Wall Thickness: from0.4mm to 2.0mm.
   Length: from 5mm to 2000mm. (normal length: from1250mm to 2000mm)
   Both ends: orderly cut and burned.
   Standard: according to ISO and YBB.
   Yearly output: 48000MT.