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Sika AG is a Swiss multinational specialty chemical company that supplies to the building and motor vehicle industries, headquartered in Baar, Switzerland. Sika was founded in 1910 by Kaspar Winkler. Currently, it has over 33,000 employees, subsidiaries in more than 100 countries, and an annual sales turnover of CHF 10.5 billion. [citation needed]
The attack arises from soils containing SO2−. 4 ions, such as MgSO 4 or Na 2 SO 4 soluble and hygroscopic salts. The tricalcium aluminate (C 3 A) hydrates first interact with sulfate ions to form ettringite (AFt). Ettringite crystallizes into small acicular needles slowly growing in the concrete pores. Once the pores are completely filled ...
A cement accelerator is an admixture for the use in concrete, mortar, rendering or screeds. The addition of an accelerator speeds the setting time and thus cure time starts earlier. [ 1 ] This allows concrete to be placed in winter with reduced risk of frost damage. [ 2 ] Concrete is damaged if it does not reach a strength of 500 pounds per ...
Grout is a dense fluid that hardens upon application and is used to fill gaps or as reinforcement in existing structures. [1] Grout is generally a mixture of water, cement, and sand, and is employed in pressure grouting, embedding rebar in masonry walls, connecting sections of precast concrete, filling voids, and sealing joints such as those ...
skia.googlesource.com /skia. The Skia Graphics Engine or Skia is an open-source 2D graphics library written in C++. Skia abstracts away platform-specific graphics APIs (which differ from one to another). [1] Skia Inc. originally developed the library; Google acquired it in 2005, [2] and then released the software as open source licensed under ...
Rendered house in France. Cement render or cement plaster is the application of a mortar mix of sand and cement, (optionally lime) and water to brick, concrete, stone, or mud brick. It is often textured, colored, or painted after application. It is generally used on exterior walls but can be used to feature an interior wall. [1]
Plaster is a building material used for the protective or decorative coating of walls and ceilings and for moulding and casting decorative elements. [ 1 ] In English, "plaster" usually means a material used for the interiors of buildings, while "render" commonly refers to external applications. [ 2 ]
1973. Retired. 1991. Pola’ivao Leati Sika Amituana'i Anoa'i (April 5, 1945 – June 25, 2024), better known by the ring name Sika, was a Samoan-American professional wrestler. He is best known as one-half of the tag team the Wild Samoans with his older brother Afa, holding the WWF World Tag Team Championship three times.