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Here are some of the key characteristics of a rubber roller for foil:

Material: Typically made from high-grade silicone rubber that can withstand high temperatures (up to 300 C) without deteriorating.
Properties: These rollers are designed to be non-stick, elastic, and heat resistant to ensure smooth foil application and prevent wrinkles or tearing.
Hardness: The shore hardness of a rubber roller for foil typically ranges between 60 and 75 Shore A, which means they are firm yet flexible enough to conform to slightly uneven surfaces.
Size: Available in a wide range of diameters and lengths to fit various machinery and applications.

Here are some of the common applications of rubber rollers for foil:

Hot foil stamping: This is the primary function of these rollers. They are used to transfer metallic or pigmented foil onto various materials like paper, plastic, or leather, creating decorative designs, logos, or lettering.
Laminating: These rollers can be used to apply a thin layer of adhesive film during a laminating process, bonding two or more plies of flexible materials together.
Web guiding: The smooth, elastic surface of these rollers helps guide and control the movement of foil or other flexible materials through a machine.
Heat sealing: Rubber rollers can be used to apply heat and pressure to seal foil or other thermoplastic materials.