Buy Latte Glass For Cafe Use 详细内容 We require a reliable long-term supplier of 9 fl oz and 15 fl oz latte style glasses, suitable for use in a very busy commercial cafe environment. Must be able to withstand 130 degree liquid (milk or water), extensive dishwasher cycling (at least 500 cycles) and be toughened to withstand general wear and tear of cafe usage. The glasses have a moulded company logo on the external surface. Some more detailed specifications: Glass condition : Annealed or toughened Chemical composition of raw material used at present SiO2 72.5 % Sable Na2O 13,5 % Soda CaO 11 % Calcium carbonate Al2O3 1,5 % Alumina MgO 1,5 % Dolomite PHYSICO-CHEMICAL PROPERTIES Transformation temperature 550 Softening temperature 600 Density 2.5 Micro-hardness (Vickers) 490 Refractive index 1.52 Heat conductivity 20? 1.05 Wm-1 K-1 0.90 Kcal m-1 h-1 ?C-1 130? 1.15 Wm-1 K-1 0.99 Kcal m-1 h-1 ?C-1 specific heat 0.24 cal/?/g CHEMICAL RESISTANCE: Resistance to diswashing Over 500 washing cycles Hydrolitic resistance Classe 3 - test DIN 12111 Alkaline resistance Classe 1 - test DIN 12122 Resistance to acid Class 1 - test DIN 12116 Thermal resistance . annealed Delta T = 60? +/- 20? . toughened Delta T = 135? +/- 10? . Specific thermal treatment Delta T = 100 -0?/+ 40? (hublot) Country:United Kingdom 系 联系方式 Co:Drew Dewsall Add:91 Brunswick Crescent, New Southgate, London, New Southgate, United Kingdom Tel:44-208-362 0461 Fax:44-208-3687584 Email:norman@mdx.ac.uk LinkMan:Mr. Drew Dewsall
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