• Fire Assay High Alumina Ceramic Crucible for Melting Gold
  • Fire Assay High Alumina Ceramic Crucible for Melting Gold
  • Fire Assay High Alumina Ceramic Crucible for Melting Gold
  • Fire Assay High Alumina Ceramic Crucible for Melting Gold
  • Fire Assay High Alumina Ceramic Crucible for Melting Gold
  • Fire Assay High Alumina Ceramic Crucible for Melting Gold

Fire Assay High Alumina Ceramic Crucible for Melting Gold

Certification: ISO
Shape: Cylindrical
Color: Creamy
Refractoriness: 1580< Refractoriness< 1770
Type: Ceramic Crucible
Product Name: Ceramic Crucible for Melting Glod
Samples:
US$ 5/Piece 1 Piece(Min.Order)
| Request Sample
Customization:

Contact Supplier

Mr. Andy Chen
Technical Sales Manager
Diamond Member Since 2020

Suppliers with verified business licenses

Rating: 5.0/5
Manufacturer/Factory, Trading Company, Group Corporation

Basic Info.

Model NO.
Standard
Grade of Material
99%, 99.5% Alumina
Density
Over 3.65g/cm3
Secondary Process
Fine Grinding, CNC Machining
MOQ
10PCS
Features
High Precision, High Insulation
Certificate
RoHS, Reach, ISO9001
Usage
High-Temperature Ceramic Crucible
Sample
Available
Payment
Negotiation
OEM
Acceptable
Shipping
Express/Air/Sea
Packaging
Poly Bag
Hardness
Customize
Advantage
High Efficiency Low Cost
Transport Package
Individual Packaging
Specification
Max. OD to be 300mm
Trademark
JingHui
Origin
China
HS Code
8547100000
Production Capacity
500000/Month

Product Description

Fire Assay High Alumina Ceramic Crucible For Melting Gold

The checklist of standard ceramic crucibles in stock

Type 1: Cylindrical ceramic crucibles

Model# Outer diameter(mm) Height(mm) Wall thickness(mm) Volume(ml)
JT2030 20 30 1.5  10
JT3030 30 30 1.8 15 
JT3060 30 60 1.8 30 
JT3645 36 45 2.5 30 
JT4032 40 32 1.6 30 
JT4050 40 50 2.5 45 
JT4342 43 42 1.8 50
JT6060 60 60 2.5 130 
JT5590 59 90 2.5 200 
JT10040 100 40 5.5 200 
JT8080 80 80 3.3 350 
JT100100 100 100 4.0 550 
JT135160 135 160 6.0 2000

 Type 2: Cone-shape crucibles
Model# Upper OD(mm Bottom OD (mm) Height(mm) Wall thickness (mm) Volume (ml)
JT2020-14 25 14 20 1.5 5
JT3030-18 30 18 30 1.7 10
JT3438-20 34 20 38 1.9 20
JT4640-25 46 25 40 2 30
JT5645-30 56 30 45 2.9 50
JT5553-48 55 48 53 2.5 90
JT5768-37 47 37 68 3.5 100
JT5572-48 55 48 72 2.6 140
JT-7085-44 70 44 85 2.9 200
JT7590-50 75 50 90 2.9 300
JT80110-65 80 65 110 3.3 400
JT 100120-70 100 70 120 3.5  600
JT105150-70  105 70 150 4.5  800 
JT113160-75 113 75 160  3.5  1200 
JT125155-80 125  80  155  3.5  1200 

Type 3: Other shapes
Model# Shape Length(mm) Width(mm) Height(mm) Wall thickness(mm) Volume(ml)
JT272310 Rectangular  27 23  10  2  5
JT971712 Rectangular  97 17  12 
JT603015 Rectangular  60 30  15  20 
JT1002020 Rectangular  100 20  20   25
JT757540 Square  75 75  40  2.5  130 
JT858540 Square  85 85  40  200 
JT15512055 Rectangular  155  120  55 5.5  550 
JT10010040 Square  100  100  40 4 550 
JT16016078 Square  160   160    78  6 .5

1400 

 

The description and main features of ceramic crucibles
1. Material: 99% alumina, corundum-mullite ceramic, zirconium oxide ceramics, boron nitride optional
2. Shape: we supply various shapes, including cylinder, rectangular, square, boat, and so on. 
3. Features: all-ceramic crucibles are with excellent chemical resistance, thermal - shock performance. 
4. Working temperature: It can be work under max. 1650ºC long term in air, or higher temperature under inert gas
5. Application: They are commonly used in a variety of metal or non-metal melting material, or melting items analysis in the lab, also it's a regular application for smelting & sintering for phosphors, rare earth material, precious metals. 

The gallery of alumina ceramic crucibles
Fire Assay High Alumina Ceramic Crucible for Melting Gold

Fire Assay High Alumina Ceramic Crucible for Melting Gold

Fire Assay High Alumina Ceramic Crucible for Melting Gold


Datasheet of technical ceramic materials
Property Units Materials
99.5%Al2O3 99%Al2O3 95%Al2O3 ZrO2 Si3N4
Density g/cm3 ≥3.85 ≥3.80 ≥3.60 ≥6.0 ≥3.2
Water absorption % 0 0 0 0 0
Hardness HV 1700 1700 1500 1300 1550
Flexural strength Mpa ≥379 ≥338 ≥320 ≥1200 ≥600
Compressive strength Mpa ≥2240 ≥2240 ≥2000 ≥1990 ≥2500
Fracture toughness Mpa m1/2 4-5 4-5 3-4 6.5-8 6
Max. service temperature
(Non-loading)
ºC 1675 1600 1500 1000 1200
CTE (20-800ºC) 1×10 -6 /ºC 6.5~8.0 6.2~8.0 5.0~8.0 8.0~9.5 3.1
Thermal shock T(ºC) ≥250 ≥200 ≥220 ≥300 ≤1000
Thermal conductivity(25ºC) W/m.k 30 29 24 3 15~20
Volume resistivity (25ºC ) ohm.cm >1 x 10 14 >1 x 10 14 >1 x 10 14 >1 x 10 11 >1 x 10 12
Insulation strength KV/mm 19 18 18 17  
Dielectric constant(1Mhz) (E) 9.7 9.5 9.5 29  


Why choose us?
1.10+ years of manufacturing experience in OEM, ODM, and professional management & production team       
2. Powerful R&D to support custom prototyping cases and projects, also large-scale mass production capability
3.  In-house complete manufacturing equipment, including forming, sintering, precision machining process.       
4. Rigorous quality control system and processes per ISO9001: 2008, including IQC, IPQC, QA, OQC
5. Surpassing pre-sales and after-sales service, everything we do just for the business growth of our customers. 

Main Manufacturing Equipment
Fire Assay High Alumina Ceramic Crucible for Melting Gold
Fire Assay High Alumina Ceramic Crucible for Melting Gold
Fire Assay High Alumina Ceramic Crucible for Melting Gold
Fire Assay High Alumina Ceramic Crucible for Melting Gold

Advanced Inspection Equipment
Fire Assay High Alumina Ceramic Crucible for Melting Gold

Fire Assay High Alumina Ceramic Crucible for Melting Gold
                             

FAQs (Frequently Asked Questions)
Q1. Are you a factory or trading company?
A: We are a manufacturer. You are welcome to visit our factory.

Q2: Do you send a sample to check?
A: Sure, the sample is free and freight collect.

Q3: When will you ship it?
A: If the products are in storage, we'll ship within 48 hours

Q4: When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of getting the price.
Please call us or tell us in your email so that we will proceed with your inquiry as a priority.

Q5: Is it available to provide customized products?
A: We always support custom-made demand as per different materials, dimensions, and designs.

Q6: How to ensure quality?
A: The dimension out of any batch will be carried out sampling inspection per international AQL standard.
The 100% cosmetic inspection will be done.

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