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XING TAL LONG
Low Impurity 30g-65g Standard Size Fire Assay Crucible for Gold Silver Smelting
Premium fire assay crucible: 3-8 times reusability, high temperature resistance, and free samples available.
Email: sintyron@xtlceramic.com
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Lab analysis fire clay crucible
Introduction:
Applications
1:Quantitative analysis of precious metals such as gold, silver and platinum group elements
2:Fire assay process of mineral samples, including oxidation smelting, absorption, separation and other steps.
3:Laboratories in the metallurgical industry, used for inspection of gold mines, silver mines and alloy materials
4:Scientific research experiments, such as small-scale and pilot-scale high-temperature reactions in fire smelting
5:Precious metal refineries, used for the initial refining of gold and silver
Parameter | Specification |
Material | High-alumina clay, refractory clay, with appropriate quartz and feldspar as flux and reinforcing components |
Temperature Resistance | Recommended use temperature: 1150℃–1300℃; Maximum temperature: up to 1350℃ (depending on formula and sintering density) |
Chemical Composition | Al₂O₃: 30%~45%; SiO₂: 50%~65%; Fe₂O₃: ≤2%; Na₂O + K₂O: ≤0.3% |
Reusability | 3-9 times (depending on usage conditions and process requirements) |
Sizes | Standard sizes: 30g-65g (customizable according to customer needs) |
Packaging | 5-layer corrugated carton / wooden carton, (customizable) |
MOQ | 5000 pieces (small order acceptable for sample test) |

Packaging and Storage:
The crucible comes securely packaged in a protective box to ensure it reaches you in
perfect condition. For long-term storage, it should be kept in a dry, well-ventilated area,
away from direct sunlight and moisture.
Warranty:
Any manufacturing defects will be addressed promptly and replaced, free of charge.
Buy with Confidence:
With its superior quality, innovative design, and wide range of applications, the Fire Assay
Crucible with Spout is your trusted partner in precision metal analysis. Order yours today
and take your metallurgical testing to the next level!





Liling Xing Tai Long Special Ceramic Co., Ltd was estabilished in 20 09 and is located in Liling, Hunan Province,
China. We are a professional special ceramic company with the right of import and export. We are specialized in
Fire assay ceramics, alumina ceramics, zirconia ceramic ,Aluminium nitride ceramic,PBN/BN ceramic products, etc.,
we can customize special-shaped products according to customer needs..
As a powerful professional manufacturer of fire assay crucible, Our cooperate factory have 70 00 square meters with
automatic production line. The products are used for precious metal analysis, mining laboratory testing, mineral
assaying and gold assaying. Fire assay crucibles material is fireclay mixed with other refractory materials, they can
withstand temperature up to 13 00℃. They have excellent resistance against flux attack, erosion, cracking and thermal shock.
Adhering to the business principle of mutual benefits, we have had a reliable reputation among our customers because
of our professional services, quality products and competitive prices. We warmly welcome customers from at home and
abroad to cooperate with us for common success. Over the years, our products are sold well all over the country, and
exported to Germany, United States, Brazil, Russia, Mexico...more than 20 countries, product quality and service are
highly praised by customers.
Our aim is: high quality, low price, good faith. We sincerely look forward to the broad masses of domestic and foreign
customers cooperation, common development.


Why To Choose Us
1. Low MOQ:
It won't occupy too much of your money to help you to test the market you're going to enter.
2. R & D Center and Factory:
We have our own R & D center and factory, so we can supply you products at competitive price.
3. Good Service :
We treat clients as friends.
4. Good Quality :
We import top quality accessories to manufacture our products, we have confident we can offer you the best quality.
5. After-sales service:
One year's guarantee. Wearing accessories comes with the products to help you to reduce the repair bill.







