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The epoxy value is defined as the number of moles of epoxy group per 100g resin. So as an example using an epoxy resin with molar mass of 382 and that has 2 moles of epoxy groups per mole of resin, the EEW = 382/2 = 191, and the epoxy value is calculated as follows: 100/191 = 0.53 (i.e. the epoxy value of the resin is 0.53). [6]
The second most important part of FBE coatings is the curing agent or hardener. Curing agents react either with the epoxy ring or with the hydroxyl groups, along the epoxy molecular chain. Various types of curing agents, used in FBE manufacture, include dicyandiamide, aromatic amines, aliphatic diamines and organic acid anhydrides. [6]
Epoxy is the family of basic components or cured end products of epoxy resins. Epoxy resins, also known as polyepoxides, are a class of reactive prepolymers and polymers which contain epoxide groups. The epoxide functional group is also collectively called epoxy. [1] The IUPAC name for an epoxide group is an oxirane.
Country GDP (PPP) per capita (2022, 2022 US$) [1] [failed verification] Algeria 13,715 Angola 7,360 Benin 3,767 Botswana 19,287 Burkina Faso 2,461 Burundi 791 Cape Verde
Copperbelt Province is a province in Zambia which covers the mineral-rich Copperbelt, and farming and bush areas to the south.It was the backbone of the Northern Rhodesian economy during British colonial rule and fuelled the hopes of the immediate post-independence period, but its economic importance was severely damaged by a crash in global copper prices in 1973.
Kigezo:Location map Zambia; Usage on tg.wikipedia.org Шаблон:Location map Zambia; Usage on ur.wikipedia.org سانچہ:جائے نقشہ زیمبیا; Usage on uz.wikipedia.org Andoza:JoyXarita Zambiya; Usage on vec.wikipedia.org Modèl:Mapa de locałixasion/ZMB; Usage on vi.wikipedia.org Bản mẫu:Bản đồ định vị Zambia
The terrestrial ecoregions of Zambia, superimposed on a map of the provinces. Numbers refer to points in the text. [1] Rough estimates of the percentage of the country covered as given below are for the original or natural state of the area before urbanisation and agriculture has modified it. The numbers relate to the location labels on the map.
KCM produces 2 million tons of copper ore per year. The company's Konkola Deep Mining Project will expand its capacity to 6 million tons of ore per year. Company assets include Konkola Copper Mine, Nchanga Copper mine near Chingola , Nampundwe Pyrites Mine and Nkana Refinery in Kitwe - the largest copper smelter in Zambia.