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Pharmaceutical Neutral Glass Tube COE 5.0 (Clear)** Made from Neutral Borosilicate glass ** Sizes can be produced by customers' requestSiO2
75±0.5
B2O3
11±0.5
Al2O3
5.4±0.5
BaO
0.5±0.2
CaO
0.5-1.5
Na2O
6.5±0.5
K2O
0.5±0.2
PbO
MgO
0.08
Expansion (30-300 ºC,×10-6/ºC) ASTM E228
4.8-5.0
Annealing point logη=13 ºC
779-783 ºC
Soft point logη=7.6 ºC
779-783 ºC
Working point logη=4.0 ºC
Transformation logη=14.5 ºC
Density g/cm3 ASTM C729
2.31-2.32
Hydrolytic resistance 0.02 N H2SO4
0.2 USP Type I ISO 719 HGB I
Acid class (DIN 12116)
Class S1
Alkali class(ISO 695)
Class A2
Int´l Spec.
AIR LINE
1. A sum max. of 1.5m, over 20 mm in length, per 10m are not permissible 2. over 0.1mm in width are not permissive
CONFORMED
STONE
For Ampoules>0.4mm NG;0.2-0.4mm Max; 2 Pcs per tube
For Vials >0.5mm NG; 0.3-0.5mm Max.2 Pcs per tube
CONFORMED
KNOT
>0.8mm NG; ≥ 0.5mm MAX 1 pie 1 tube
≥ 0.3mm Max. 2 Pcs per 1 tube
CONFORMED
O.D.TOL.
For 22mm
±0.19 mm
W.T.TOL.
For 1 mm
±0.35 mm
BOW
≤1.0‰
COLOUR
Clear, transparent
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