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TANTALUM BOATS/CRUCIBLES
Tantalum crucibles for HCL, Br,H2SO4, NaCL, KOH, CL2, HF, NaOH, Hno3, Fatty Acid, Lab Application & Many....

The leading anti-corrosion character, strength at high temperature, outstanding physical mechanical properties of tantalum is ideally suited for reboiling, preheating and condensing of nitric acid combinations of these acids with any other chemicals like aqua regia tantalum equipments are to be made from electron beam melted high purity rod, sheet and tubings.

Because of its high melting point of 5432F, tantalum has been widely used in the electronics, nuclear, aerospace and chemicalindustries and in such areas as crucibles, boats, heat shields and others components for vacuum furnace, where heat must be transferred to or from acids and other corrosive fluids and vapours

Tantalum exhibits excellent resistance to most acids, especially hydrochloric, sulfuric, nitric and aqua regia at normal temperature and is also completely resistance to attack by many molten metals, including sodium, lithium, magnesium, potassium and mercury in temperatures up to 1100c (2000F)

Salts and their solutions generally do not attack tantalum unless they are prone to alkaline hydrolysis or contain fluorine ions, chlorides and bromides such as ferric chloride, mercury and stannous chloride up to 175c (350F).

Standard Dimensions of Crucibles
Capacity (ML) Low Form (MM) Straight Wall (MM)
Top Dia Bottom Diameter Depth Outer Diameter Depth
5 21 19
10 27 22
15 36 32 23 33 22
20 36 32 32 33 23
25 47 40 23 47 22
35 47 40 35 47 34
45 47 40 42 47 41
55 47 40 42 47 41
75 51 44 42 47 41
100 59 53 46 59 45
250 83 72 60 83 57
500 102 89 66 104 63
1000 152 144 95 127 89
1500 152 144 108 152 108

Above size & capacities are approximate
Standard Thickness. 5 to 100 ml :0.5mm
Standard Thickness. 250 to 1500 ml :0.8mm

Tantalum crucibles are standard or special shaped size as per customers deign. However,they are to be made by the process of precious deep draw forming spinning, punch press, forging, CNC precision turning & milling, Welding and fabrication from commercially pure tantalum confirming to ANSI / ASTM B708 and 365, Gr RO5200
Corrosion resistance of Tantalum
With Molten Metals With Refractory Oxides
Sodium Upto 1200c Alumina Upto 1900c
Magnesium Upto 1150c Beryila Upto 1600c
Lithium,Potassium,Lead Upto 1000c Magnesia Upto 1800c
Bismuth Upto 900c Zirconia Upto 1600c
Mercury Upto 600c Thoria Upto 1900c
Zinc Upto 500c    
Gallium Upto 450c    





Tantalum Boats

Tantalum boat



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Tantalum Crucibles
 
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