clear Quartz Crucible, Milky Quartz Crucible, quartz Singing Bowl
USD $1 - $10 /Piece
Min.Order:1 Piece
Shanghai Kessen Ceramics Co., Ltd.
Content | Density | Compressive Strength | Max service temp |
SiO2≥99.9% | 2.20-2.30 g/cm3 | 1000 Mpa | 1450°C |
Density 20°C kg.m-3(x103) | 2.2 |
Coefficient of expansion 25-300°C°C-1(x10-6) | 0..56 |
Softening point °C | 1670 |
Annealing point°C | 1210 |
Strain pont°C | 1110 |
Youngs modulus(pa) | 7.3*1010 |
Fused quartz crucible
Theraml conducticity | 1.38(w/mok) |
Coefficient of thermal expansion(0-1000°C) | 0.55(10-5/°C) |
Normal operating temperature Continuous usage | ~1050°C |
Normal operating temperature Non-continuous usage | ~1250°C |
Strain point | ~1075°C |
Strain point | ~1180°C |
Hot procesing temperature | ~1700-2100°C |
Devitrification temperature | Starting at ~1000°C,high temperature accelerates devitrification ,esp.with surface contaminants such as alkaline solutions ,salts and vapors. |