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# Fiberglass Insulation

Fiberglass is made of molten glass spun into micro fibers and is one of the most common types of insulation used.

Fiberglass thermal conductivity vs. temperature are indicated in the charts below:

• T(oC) = 5/9[T(oF) - 32]
• 1 W/(m K) = 6.935 (Btu in)/(h ft² °F)

## Related Topics

### • Insulation

Calculate heat transfer and heat loss from buildings and technical applications. Heat transfer coefficients and insulation methods available for reduction of energy consumption.

## Related Documents

### Calcium Silicate Insulation

Thermal conductivity of calcium silicate insulation - temperature and k-values.

### Insulation Materials - Operating Temperature Limits

Temperature limits for commonly used insulation materials.

### Mineral Wool Insulation

Thermal conductivity - k-values - vs. temperature.

### Perlite Insulation

Thermal conductivity - k-values - vs. temperature.

### Pipes - Insulated Heat Loss Diagrams

Heat loss (W/m) from 1/2 to 6 inches insulated pipesĀ - ranging insulation thickness 10 to 80 mm and temperature differences 20 to 180 degC.

### Polyurethane Insulation

Thermal conductivity - k-values - vs. temperature.

### Thermal Resistivity and Conductivity

The ability of a material to resist flow of heat.

### Water - Thermal Conductivity vs. Temperature

Figures and tables showing thermal conductivity of water (liquid and gas phase) with varying temperature and pressure, SI and Imperial units.

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