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Chemical & Material
5 editions13 August 2026
Food & Beverages
5 editions13 August 2026
Consumer Goods
5 editions6 June 2026
Automobile & Transportation
5 editions2 January 2026
Packaging
5 editions30 December 2025
Automobile & Transportation
5 editions2 January 2026
Chemical & Material
Zinc pyrithione (also known as Zinc Omadine or Zinc 2-pyridinethiol-1-oxide) is a chemical complex which has been used since the 1930s. It has a number of applications, of which the most famous is probably Dandruff Shampoo. Most products which are designed to fight dandruff contain this complex. Other hair and skin products also contain this complex, as do certain prescription medications, and it also has some industrial uses, most notably in paints.
5 editions1 January 2026
Pharma & Healthcare
5 editions20 December 2025
Chemical & Material
5 editions25 December 2025
Machinery & Equipment
5 editions3 February 2026
Machinery & Equipment
5 editions13 August 2026
Machinery & Equipment
A valve is a device that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways. The term Double Block and Bleed initially meant two separate block valves with a pipe and bleed valve between the valves to check for leakage. According to API 6D “Specification for Pipeline Valves” standards, a double block-and-bleed valve is a “single valve with two seating surfaces that, in the closed position, provides a seal…
5 editions9 January 2026