| Designation | Description | Unit |
| A | area of the copper plate (0.002515 m2) | |
| AR | aramid fibre | - |
| Cp | specific heat of copper (0.385 kJ/kg °C) | g |
| dwarp | warp density | threads/cm |
| dweft | weft density | threads/cm |
| M | mass of the copper plate (0.036 kg) | g |
| m | fabric mass | g/m2 |
| MC | modacrylic fibre | - |
| p-value | significance | |
| R | correlation coefficient | % |
| Rct | thermal resistance | m2 K/W |
| Ret | water-vapour resistance | m2 Pa/W |
| T | twist | twist/m |
| t | thickness | mm |
| TFQ0 | heat transmission factor | |
| Tt | fineness | tex |
| t12 | time required for a temperature rise of 12 °C | s |
| t24 | time required for a temperature rise of 24 °C | s |
| Qc | transmitted heat flux density, through the sample to the calorimeter | kw/m2 |
| Qo | incident heat flux density level |
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