An opaque, cream coloured polyester tape with excellent chemical resistance in precious metal plating, especially gold.
Polyester film backing imparts excellent chemical and thermal stability. Remains flexible at -50°C and retains dimensional stability up to 150°C. Resists many solvents found in photographic, electroplating and chemical milling processes. Hot caustics will weaken the backing after prolonged immersion. Extended periods of exposure to elevated temperatures or outdoor conditions will cause an increase in bond strength. However, the film can become brittle and lose its tensile strength. Roll stability is excellent after a year's natural ageing and functional properties are unimpaired.
