A pioneer in manufacturing phosphorus products,Product descriptions

Rin Kagaku Kogyo was founded in 1926 by making use of the abundant electricity to produce yellow phosphorus, red phosphorus and phosphorus sulphide.
Since then we have provided society with numerous phosphorus products.
We supply phosphorus products that are essential for a wide range of applications in everyday life, such as phosphoric acid, phosphate, red phosphorus fire retardants, metal surface treatment agents and water treatment agents.

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High purity phosphoric acid
High purity phosphoric acid
High grade products for the electronics industry
Standard phosphoric acid
Standard phosphoric acid
Used for applications in a wide range of areas
Phosphate
Phosphate
We were the first company in Japan to produce phosphate industrially
Red phosphorus fire retardants
Red phosphorus fire retardants
Adding even a small amount provides a high level of fire resistance
Metal surface treatment agents
Metal surface treatment agents
Chemical polishing fluid for aluminium alloys, etc.
Water treatment agents
Water treatment agents
Essential for maintaining equipment, such as piping, heat exchangers and boilers