The Sodium salt of Polynaphthalene sulphonic acid has excellent colloidal properties. It does not have any surface activity like penetrating foaming and is attracted to polyamide and proteins, but not cotton, hemp or other fibers.
The tungsten boat is a type of tungsten vessel that looks like a boat. It can also be called the tungsten water boat, tungsten evaporation boats or coated tungsten boats. By high-temperature stamping, tungsten boat is made out of high-purity sheet.
Tinten aluminium alloy or tunsten potassium alloy is used in the manufacture of the tungsten heater. It has 99.95% purity. High Purity Metal Alloy Tungsten Heaters Chemistry: Property: Excellent corrosion resistance and high melting point
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