High-purity zirconium crucibles (99.7%) for use in scientific research laboratories.

Origin: Baoji, Shaanxi, China
Brand: FRL Metal
Name: Zirconium Crucible
Grade: R60702 Zr702
Density: 6.51g/cm³
Specifications: 10ml, 20ml, 30ml, 35ml (custom sizes available)
Standards: ASTM, DIN, EN
Manufacturing Process: Hot rolling, cold rolling
Surface Treatment: Pickled/Bright
Certification: ISO9001
Delivery Time: 5-7 days
Payment Method: Wire Transfer (T/T)
Packaging: Standard Packaging

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Product Description

Zirconium crucibles (mainly divided into metallic zirconium crucibles and zirconium oxide (ZrO₂) crucibles) are top-tier crucibles for high-temperature, high-purity, and highly corrosive environments. Their core characteristics include ultra-high temperature resistance, chemical inertness, thermal shock resistance, high strength, and low pollution. They are particularly suitable for the melting and preparation of rare/precious metals, special alloys, and semiconductor materials. They are generally used for melting in scientific research laboratories.

High-purity zirconium crucible specifications

Volume	Outer Diameter of Top Opening (mm)	Height (mm)	Standard Wall Thickness (mm)	Remarks
5ml	22	25	1.5-2.0	Laboratory micro-scale
10ml	29	28	2.0	Standard small-scale
20ml	35	34	2.0	Standard small-scale
25ml	38	36	2.0-2.5	Standard small-scale
50ml	48	50	2.5-3.0	Commonly used
100ml	60	70	3.0-4.0	Commonly used
250ml	80	100	4.0-5.0	Industrial small-scale
500ml	100	120	5.0-6.0	ndustrial medium-scale
1L	120	150	6.0-8.0	Industrial grade
5L	200	250	8.0-12.0	Industrial grade
10L-50L	300-450	350-600	12.0-20	Electronic/large-volume

Zircon crucible sample display

Zirconium Metal Crucible (High Purity Zr, 99%+)
Melting Point: 1852℃, Long-term Safe Use ≤1600℃
Chemical Properties: Extremely strong chemical inertness, almost no reaction with active/rare metal melts such as Ti, Ta, Nb, Zr, and U.
Resistant to most acids and alkalis, and resistant to molten metal wetting (non-stick, non-contaminating).
Thermal Properties: Low thermal conductivity, small coefficient of expansion → excellent thermal shock resistance (not easily cracked by rapid heating and cooling).
Mechanical Properties: High strength, good toughness, erosion resistance, and long service life (approximately 3 times that of graphite crucibles).
Purity: Impurities at the ppm level, suitable for ultra-high purity materials (aerospace titanium alloys, nuclear materials).

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