5pcs Torch Melting Set Gold & Silver Crucible Tong Graphite Ingot Mold

Description

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5pcs Torch Melting Set Gold & Silver Crucible Tong Graphite Ingot Mold
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Description :
Characteristics : The graphite crucible has good thermal conductivity and high temperature resistance . In high temperature use , the coefficient of thermal expansion is small , and it has certain strain resistance to heat and cooling . It has strong corrosion resistance to acid and alkaline solution and has excellent chemical stability .
High - quality materials : High - purity , high - strength , high - density graphite materials ; processed by high - precision CNC machining . The graphite used is mainly graphite material used for melting precious metals , and the durability is twice that of ordinary materials .
Widily using ： Very versatile , can be used for experiments and smelting of non - ferrous metals . Such as gold , silver , copper , aluminum , lead and so on . Considering the size of this product , it is more suitable for small - capacity metal melting .
Note : It needs to be stored in a dry place . After drying , do not touch the water . Paying attention to slow heating during the first use will help increase the service life .
Specification :
Material : Graphite / Quartz / Stainless Steel
Cylindrical Graphite
Outer Dia .: 40 mm / 1 . 57inch
Inner Dia .: 30 mm / 1 . 18inch
Total Height : 40 mm / 1 . 57inch
Inner Height : 35 mm / 1 . 38inch
Quartz Melting Crucible
Capacity :
Material : Quartz
Outer Diameter : 57 mm / 2 . 24inch
Inner diameter : 43 mm / 1 . 69inch
Height : 20mm / 0 . 79inch
Depth : 15mm / 0 . 59inch
Net weight : approx . 40g
Square Graphite
Bulk density ≥ 1 . 82 g / cm3
Bending strength ≥ 45 Mpa
resist compression ≥ 65 Mpa
particle ≤ 43 um （ 0 . 043 mm ）
Size : 7 . 2 x 5 . 7 x 1 . 2cm / 0 . 28 x 0 . 22 x 0 . 05inch
Package Includes :
1 x Quartz Melting Crucible
1 x Tongs
1 x Square Graphite
1 x Cylindrical Graphite
Shipping And Handling Policy
People always bought together with ONE (1) piece
of 100mm THK Diamond hook loop backed flat lapping wheels (Grit 3000)
.
Outside diameter : 100mm (close to 4 inch)
Thickness (whole wheel) : 3mm (1.5mm metal part & 1.5mm hook loop backed)
Arbor hole : 1/2" (close to 12.7mm)
Grit : 3000 (final polishing)
RPM : 4000 RPM
Usage :
WET (add water for coolant is a MUST)
Diamond coating Density : Perfectly high,
almost 97%
Suitable to grind and polish jewelry, glass, rock & stone, etc .....
.
We have Grit 60, 120, 240, 320, 500, 600, 800, 1200, 1500, 3000 available.
*** IMPORTANT ***
*** Please run those wheels by various speed grinder (0 - 4000 RPM). If the grinder runs too fast, the wheel can't run stable and those diamond sands will wear out very quickly. ***
*** Please wear safety equipment likes goggles and plastic gloves ***
Registered Air postage from Hong Kong to United States (or worldwide) is FREE
and takes 7-10 days delivery to your home.
Payment is expected within seven days of auction closing.
THK
®
specialized in wide range of diamond tools
, nuts & bolts, bits, saws and machinery etc.
Our products are quality assured according to the advanced technology applied and strictly control the quality of raw materials
. We supply many of the mainstream Construction Companies right here in Hong Kong. Our products are in use at many of the larger projects such as the HK airport and HK Disney Land.
W
e will ship your order within 24 business hours after payment has been received.