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Sodium hydroxide is achromatic and transparent solution, its proportion is 1.291. The solid Sodium hydroxide is white solid or pieces, its proportion is 2.13, show alkali character, having strong causticity to skin, weaves and sheet. In the air it will absorb the carbon dioxide and change into sodium carbonate. The solid Sodium hydroxide has strong moisture absorption character, so it must stored protecting against the tide and isolating air.
2, usages
Used as a raw material in the manufacturing of soaps, detergents, textiles and paper. Also, in water softening and treatment, drilling mud in oil field, refining petroleum products, in sanitation, hygiene products. In food and drug industry, it is used as acidity regulator, alkali, impregnant's pigment.
The Symphony House Group is Malaysia’s leading corporate services outfit and the partner of choice for more than 3,000 clients – from private and public-listed companies to Fortune 500, Global 500 and large conglomerates.
The holding company, Symphony House Berhad, was successfully listed on the MESDAQ Market of Bursa Securities Exchange (then known as the Kuala Lumpur Stock Exchange) on 14 February 2003 and two years later, leapt-frog to the Main Board of the Bursa Securities exchange on 1 September 2005. Symphony House Berhad was ranked 5th in the Corporate Governance Survey 2007 carried out by the Minority Shareholder Watchdog Group (MSWG) in collaboration with Nottingham University Business School. Symphony House was then taken private by the management led by the founder, Tan Sri Azman Yahya and Dato’ Abdul Hamid Sh Mohamed via Stone Equity Sdn Bhd on 16 December 2015.
Symphony House Group operates out of several locations in Malaysia delivering multiple services comprising Human Resource Solutions, Financial Solutions, Corporate Secretarial Solutions, Share Issuance & Registration Solutions and Cheque Processing Solutions.