We require hard PVC suitable for the field of Pneumatic Tube Systems.
The tube has to be tough, high abrasive resistance and low elastical distortion.

Attributes:
Physical tensile strength: 55 N/mm2
E-Module: 3000 N/mm2
Resistance to impact: High resistance, at 20 degrees Celsius without breaking
Thermal coefficient of of linear expansion = 80 X 10-6 K-1
Heat conductivity = 0, 16 W/mk
Inherent stability up to 60 degrees Celsius
Electric surface resistance - 1012
Gerneral average density 1, 38 g/cm3

Absorption of water during 24 hours 0, 03 %
Combustibility self-extinguishing B1 difficult to inflame

Tolerance of Diameter
63 - 80 mm Outside Tube diameter + 0, 15 - 0, 20 mm
90 - 125 mm Outside Tube diameter + 0, 20 - 0, 30 mm
132 - 200 mm Outside Tube diameter + 0, 35 - 0, 50 mm