Foam tape and film tape differ primarily in their composition, structure, and applications.
Foam tape is made from a foam substrate, typically polyurethane, polyethylene, or acrylic. It is characterized by its thickness, compressibility, and cushioning properties. Foam tape is often used for applications requiring gap filling, sound dampening, or vibration absorption. Its adhesive is usually pressure-sensitive, allowing it to bond well to uneven or textured surfaces. Foam tape is commonly used in automotive, construction, and electronics industries for mounting, sealing, and insulating purposes.
Film tape, on the other hand, is made from a thin, flexible film substrate such as polyester, polypropylene, or PVC. It is generally thinner and less compressible than foam tape. Film tape is valued for its strength, clarity, and resistance to moisture and chemicals. It is often used for applications requiring a smooth, durable surface, such as labeling, packaging, and surface protection. The adhesive on film tape is also pressure-sensitive, but it is designed to provide a strong bond on smooth, flat surfaces.
In summary, foam tape is thicker, compressible, and used for cushioning and gap-filling applications, while film tape is thinner, strong, and used for surface protection and labeling.