Permeability (0°C) to Permeability (23°C) Conversion
Convert between Permeability (0°C) and Permeability (23°C) quickly and accurately.
How to Convert Permeability (0°C) to Permeability (23°C)
Conversion Formula
Example
Convert 15 perm (0°C) to perm (23°C):
Unit Information
Learn about the permeability units you're converting between
Permeability (0°C)
perm (0°C)
Definition
The permeability at 0°C is a traditional unit of permeability used in building materials and textiles, representing the vapor transmission rate through a material at 0 degrees Celsius. It is commonly used in the construction industry for measuring moisture vapor transmission.
History/Origin
The permeability at 0°C was developed in the building materials industry as a practical unit for measuring moisture vapor transmission through construction materials. It became standardized for comparing the breathability of different building materials and textiles.
Current Use
Permeability at 0°C is extensively used in the construction industry, textile manufacturing, and building materials testing where moisture control and vapor transmission are critical for material performance and building envelope design.
Multiplier
6E-11
Offset
0
Permeability (23°C)
perm (23°C)
Definition
The permeability at 23°C is a traditional unit of permeability used in building materials and textiles, representing the vapor transmission rate through a material at 23 degrees Celsius (room temperature). It provides a more practical reference temperature for most applications.
History/Origin
The permeability at 23°C was established as a standard reference temperature for permeability measurements in building materials, as 23°C represents typical room temperature conditions. It provides more relevant data for practical building applications than 0°C measurements.
Current Use
Permeability at 23°C is widely used in building materials testing, HVAC design, and construction specifications where room temperature conditions are more relevant than freezing point measurements for practical applications.
Multiplier
6E-11
Offset
0
Permeability (0°C) to Permeability (23°C) Conversion Table
| Permeability (0°C) [perm (0°C)] | Permeability (23°C) [perm (23°C)] |
|---|---|
| 1 perm (0°C) | 0.99584 perm (23°C) |
| 10 perm (0°C) | 9.9584 perm (23°C) |
| 25 perm (0°C) | 24.896001 perm (23°C) |
| 50 perm (0°C) | 49.792002 perm (23°C) |
| 100 perm (0°C) | 99.584004 perm (23°C) |
| 0 perm (0°C) | 0E+0 perm (23°C) |
| -10 perm (0°C) | -9.9584 perm (23°C) |
| -40 perm (0°C) | -39.833602 perm (23°C) |
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