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Fused Silica Quartz Crucibles & Jewellery Casting Tools
Fused Silica Quartz Crucibles & Jewellery Casting Tools
Fused Silica Quartz Crucibles & Jewellery Casting Tools
Fused Silica Quartz Crucibles & Jewellery Casting Tools
Fused Silica Quartz Crucibles & Jewellery Casting Tools
Fused Silica Quartz Crucibles & Jewellery Casting Tools
Fused Silica Quartz Crucibles & Jewellery Casting Tools

The fused quartz crucibles are selected quality quartz as materials, combined with advanced ceramic processing workmanship, mainly used for melting platinum, gold, silver, copper, and another high-temperature alloy, high purity, anti-corrosion, anti strong acid and strong alkali, good hardness, high thermal shock resistance.

 

The main component is SiO2 ≥80%, Al2O3 (≤17%) and other is 3%( K2O, Na2O, Fe2O3), There is no crack after 10 times sudden heat and sudden cold at 1100℃⇌ 20℃, and no crack after 10 times using oxygen cutting gun to spray 1700-1800 flame on the crucible.

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01 | ● ● ●
Precious Metal Analysis
02 | ● ● ●
Mining Laboratory
03 | ● ● ●
Laboratory Testing
04 | ● ● ●
Mineral Assaying
05 | ● ● ●
Fire Assaying
06 | ● ● ●
Gold Assaying

1. High in hardness, and pressure resistance is≥70MPa.
2. High thermal shock resistance, low expansion coefficient, high heat stability.
3. Working temperature is 1350°C , max working temperature is 1600°C.
4. Long service life, is particularly suitable for thermal shock.

Item Fused silica crucible, fused quartz casting crucible, ceramic casting crucible, melting dish
Forming method Molding
Material SiO2, Al2O3, K2O, Na2O, Fe2O3
Tolerance ±2mm
Use For melting platinum, gold, silver, copper, stainless steel, and other high temperature alloys
Features High strength, high-temperature resistance, good thermal shock resistance
Certificates ISO 9001, SGS
Shipping About 5-10days. By DHL/ TNT/ FedEx express or by air as customers request.
Delivery & Service Timely delivery each time. Provide reliable service and responsible for each customer with each product. Our target is to satisfy every customer with the best service.

Fused quartz crucible Item Capacity (gr.) OD (mm) Height (mm)
XTL2 100 60 twenty two
XTL5 250 67 twenty four
XTL8 400 80 32
XTL10 500 86 36
XTL15 750 92 37
XTL20 1000 103 46
XTL30 1500 115 48
XTL50 2500 140 54
XTL100 5000 160 62
XTL200 10000 180 68

Item Unit Data
Max. Working Temperature °C 1600°C
Volume Density g/cm³ ≥1.67
Apparent porosity % ≤12.5
Cold Compressive Strength MPa ≥57
Modulus of Rupture MPa ≥22
Thermal Conductivity W/(m·K) (20~1000°C) 0.8
Coefficient of Thermal Expansion ×10 -6 /K(20~800°C) ≤0.9

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