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Follow up to last weeks letter from the editor

Last week we received a letter to our editor regarding a table of BFRC’s Spacer Bar conductivity values from SWISSPACER.
We contacted Thermoseal group regarding this letter and Thermoseal group politely offered the information which can be found at http://www.thermosealgroup.com/new sletters.cfm
After realising this topic was hotter than I expected we looked at the values and this seems to be the latest and upto date record at the moment.
As far as we are aware these are indeed the most recent values published and below is the latest BFRC’s table kindly provided to us by Dr Gary Morgan Technical director at BFRC
BFRC APPROVED SPACER BAR CONDUCTIVITIES
Spacer Component Conductivity Source
W/mK
Chromatech Ultra Polycarbonate 0.20 EN ISO 10456
Chromatec Ultra F PVC-U 0.17 EN ISO 10456
Both Stainless Steel 15.00 EN ISO 10456 / EN 10088-1
Duraseal & Duralite Butyl 0.24 EN ISO 10456
Polypropylene 0.22 EN ISO 10456
Polyethylene (HD) 0.50 EN ISO 10456
Aluminium (Duraseal) 160.00 EN ISO 10456
Polycarbonate (Duralite) 0.20 EN ISO 10456
Edgetech Super Spacer Standard 0.12 Manufacturer Validated
Tri-Seal 0.13 Manufacturer Validated
Edgetherm Aluminium 160.00 EN ISO 10456
Butyl 0.24 EN ISO 10456
GED Intercept Steel 50.00 EN ISO 10456
Stainless Steel 13.63 Manufacturer Validated
Silica Gel Dessicant 0.13 EN ISO 10456
Profilex PVC-U 0.17 EN ISO 10456
Polyethylene – (LD) 0.33 EN ISO 10456
Taped Plastic 0.18 BFRC Calculated Value
Swiss Spacer A Plastic 0.16 Manufacturer Validated
Aluminium 160.00 EN ISO 10456
Aluminium covered plastic 4.82 BFRC Calculated Value
Swiss Spacer V Plastic 0.16 Manufacturer Validated
Stainless Steel 15.00 EN ISO 10456 / EN 10088-1
Stainless covered plastic 0.29 BFRC Calculated Value
TGI Wave Polypropylene 0.22 EN ISO 10456
Stainless Steel 15.00 EN ISO 10456 / EN 10088-1
Stainless Covered plastic 2.33 BFRC Calculated Value
Thermix TX-N Polypropylene 0.22 EN ISO 10456
Stainless Steel 15.00 EN ISO 10456 / EN 10088-1
Stainless Covered Plastic 1.86 BFRC Calculated Value
Thermobar Light Plastic 0.16 Manufacturer Validated
Thermobar Plastic 0.16 Manufacturer Validated
Issue 6.
10th July 2012
Updates Edgetherm data added
Thermobar values updated based on on IFT Test Report 11-003104-PR02
(Thermobar should now be modelled exactly as Thermobar light)
Thermoseal group have also offered to update any information if there are more upto date values published.

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