Check the packaging or label. If it's made of cotton or wool, a hot iron should be fine. If it's made of synthetic material such as rayon or nylon, a cool iron would be better.
An iron is hot in order to turn the water you put in it into steam. The steam is the key ingredient here. Basically you're making the fabric hot and damp, and using the weight of the iron to flatten out creases. The steam and warmth helps the fabric fibers to relax whatever shape they've gotten bent into.
An example of thermal energy being transferred from one material to another is when a hot iron is placed on a piece of fabric to press it. The thermal energy from the hot iron transfers to the fabric, causing the fabric to become warm and smooth.
Hot iron for best results!,steam iron is a great help when fabric has become a little dry.
A hot iron emits infrared radiation, which is a form of electromagnetic radiation that is invisible to the human eye but can be felt as heat.
A clothes iron uses conduction to transfer heat from its heating element to the fabric being pressed. The hot surface of the iron comes into direct contact with the fabric, transferring heat and removing wrinkles.
A fabric adhesive or a hot glue gun are typically the best choices for bonding felt materials together.
An iron transfers heat through conduction. When the iron's hot plate comes into contact with clothing, the heat is transferred from the iron to the fabric through direct contact.
place the iron on its side(pointy part of the iron facing upwards)on the iron mat and let it cool
The heat from the iron travels to the shirt through conduction, where the hot iron comes into direct contact with the fabric and transfers heat energy. This heat causes the molecules in the fabric to vibrate and relax, smoothing out wrinkles.
It is generally not recommended to iron wool directly as it can damage the fabric. Instead, you can steam wool using a garment steamer to remove wrinkles and restore its shape. If needed, you can iron wool using a pressing cloth to protect the fabric.
You should wash it under cool water and then put ice.
Conduction. Heat is transferred from the hot iron to the clothes by direct contact, as the atoms in the iron vibrate and collide with those in the fabric, transferring thermal energy.