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HEXTUB™ Heat Exchange Capillary

Cobetter HEXTUB PTB-600/480 and PTB-790/670 are polyethylene glycol terephthalate capillary membrane manufactured by extrusion method, and is commonly used in heat exchanger in extracorporeal circulation.
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Description

Features

  • Good Mechanical Strength
  • Good Chemical Compatibility
  • Good Biological Compatibility

Applications

  • Extracorporeal Circulation

Specifications

HEXTUB PTB Capillary Specification

Model Wall Thickness
[μm]
Outer Diameter
[μm]
Inner Diameter
[μm]
Tensile Strength
[cN]
Elongation at Break
[%]
Implosion Pressure
[bar)]
Explosion Pressure
[bar)]
Thermal Conductivity
[W/(°C·m)]
PTB-600/480 60±10
600±30
480±20
≥300 ≥100 ≥2.0 ≥6.0 ≥0.2
PTB-790/670 60±10
790±30
670±20
≥300 ≥100 ≥2.0 ≥6.0 ≥0.2


HEXTUB PTS Mat Specification

Model Layer Edge Condition Capillary Count
[caps./cm]
Width Tolerance
[mm]
Distorting Angle
[°]
Shifting of Mat
[mm]
Single Layer Mat 1 Flolded
Sealed
10.2±1 600 OD
11.5±1 600 OD
8.3±1.0 790 OD
10±1 790 OD
±3 0 <2
Double Layer Cross Wounded Mat 2 ≥12
≥10 for special configuration


Ordering Information

Model PTB-600/480 PTB-790/670
Capillary 6 km/reel 3.6 km/reel
Single Layer Mat* 8.16 km/roll at maximum, varies with width
6.00 km/roll at maximum, varies with width
Double Layer Cross Wounded Mat* 12.85 km/roll at maximum, varies with width
5.25 km/roll at maximum, varies with width

* Feasible width according to order

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