Lint, the fluffy stuff that accumulates in your dryer, is flammable due to the nature of the fabric fibers it’s made of. These fibers, loosened by friction during washing and drying, create a fine, highly combustible material. Accumulated lint restricts airflow in the dryer, causing it to overheat, and can easily ignite from a spark or heat source, leading to dryer fires.
Why lint is flammable:
- Fabric Fibers: Lint is composed of tiny fabric fibers, which are inherently flammable.
- Increased Surface Area: The small, fragmented nature of lint fibers creates a large surface area, making them more susceptible to ignition.
- Heat Retention: Lint doesn’t dissipate heat well, meaning it can retain heat and reach the ignition point more easily.
This video explains how lint buildup can lead to dryer fires:
How lint can cause fires:
- Restricted Airflow:Accumulated lint in the dryer vent and lint trap restricts airflow, causing the dryer to overheat.
- Overheating:Overheating can ignite the lint, especially if it’s near the heating element.
- Sparks and Ignition:Even a small spark from a faulty wire or motor can ignite lint, especially when it’s in close proximity to the heating element.
This video demonstrates how quickly a dryer fire can spread:
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Preventing lint fires:
- Regular Cleaning: Clean the lint filter after every dryer cycle.
- Professional Cleaning: Have the dryer vent professionally cleaned at least once a year (or more frequently if needed).
- Proper Installation: Ensure the dryer is properly installed with a recommended venting system.
- Avoid Overloading: Do not overload the dryer, as this can restrict airflow.
- Be Cautious with Flammable Materials: Avoid drying items like cleaning rags soaked in oil or solvents.
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