hot melt adhesive film for Seamless Underwear Bonding sew free underwear panty production seamless bonding underwear accessory

how hot melt adhesive films are typically used for seamless bras:

Application: The hot melt adhesive film is usually provided in the form of a roll or sheet. It's applied to the desired area of the seamless bra where bonding is required.
Activation: Heat is applied to the adhesive film using a heat press or similar equipment. The heat causes the adhesive to melt and become tacky, allowing it to bond with the fabric of the bra.
Bonding: Once the adhesive film is activated, the seamless bra fabric is pressed onto it, ensuring a strong and secure bond between the layers.
Cooling: After bonding, the adhesive film cools and solidifies, creating a durable bond between the fabric layers of the bra.
Hot melt adhesive films offer several advantages for seamless bras:

They provide a strong and durable bond.
They create a seamless and smooth finish without adding bulk or stiffness to the fabric.
They are typically quick and easy to apply, speeding up the manufacturing process.
They can be used with a variety of fabrics and materials commonly used in seamless bras.