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| 采购内容 |
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
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| 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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