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Do you know thermal spray masking tape

Sep 12, 2024

Thermal spray masking tape is a specialized type of tape used during thermal spray coating processes to protect areas of a part or surface that should not be coated. Thermal spray processes, such as plasma spraying, flame spraying, or arc spraying, involve applying coatings at high temperatures, so the masking tape must withstand these extreme conditions while ensuring precise, clean edges for the coating.

Thermal spray Masking tape.jpg

Key Features of Thermal Spray Masking Tape:

  1. High-Temperature Resistance:

    • Thermal spray masking tapes are designed to withstand the high temperatures generated during the coating process, often up to 260°C (500°F) or more, depending on the material.

  2. Durability:

    • The tape must be tough enough to resist abrasion, impact, and other mechanical forces during the spraying process. It prevents overspray from penetrating and damaging the protected areas.

  3. Non-Stick Surface:

    • The tape typically has a non-stick surface, often made from materials like silicone or PTFE (Teflon), which prevents molten particles from adhering to it.

  4. Adhesive:

    • The adhesive used in thermal spray masking tapes is engineered to hold firmly to surfaces even at high temperatures. It must also remove cleanly without leaving any residue after the spraying process is complete.

Common Materials Used:

Applications:

Types of Thermal Spray Masking Tapes:

In summary, thermal spray masking tape is essential for achieving accurate and precise coatings while protecting areas that must remain unaffected by high temperatures and molten spray particles.


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