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7 Pack Ceramic Quartz Crucibles with Pointed Tweezers,Crucibles Crucibles Melting Dishes Ceramic Casting Torch Melt Jewelry Gold Silver 100/150/250/400g/500g

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$16.99

$ 6 .99 $6.99

In Stock
  • Usage: Suitable for Refining Casting Molding Platinum/Metal /Gold/Silver/Brass/Copper/Alloy etc.
  • Material:Made of premium ceramic, purity, corrosion resistance, high strength, high heat resistant, high shock resistance.
  • Widely used: Widely used in electric light, semiconductors, optical communications, military, metallurgy, building materials, chemical, mechanical, electrical, environmental protection and other fields.
  • Design: Designed with tapered sides and a pour spout for easy material removal.
  • Package included: 5 X Quartz Silica Melting Crucible(100/150/250/400g/500g) and 2 X tweezers(pointed and curved).


Specifications:

Capacity:100,150, 250g, 400g,500g
Material: Quartz Silica

Five size as bellow:

Crucible Bowl(100g):
Outer Diameter: 52 mm;
Inner diameter: 45mm;
Height: 21mm;
Net weight:approx 30g

Crucible Bowl(150g):
Outer Diameter: 60 mm;
Inner diameter: 47mm;
Height: 25mm;
Net weight:approx 36g

Crucible Bowl(250g):
Outer Diameter: 70 mm;
Inner diameter: 60mm;
Height:25mm;
Net weight:approx. 52g

Crucible Bowl(400g):
Outer Diameter 75 mm;
Inner diameter: 65mm;
Height: 32 mm;
Net weight: approx. 80g

Crucible Bowl(500g):
Outer Diameter: 83 mm;
Inner diameter: 70 mm;
Height: 36 mm;
Net weight: approx. 94g

Unit conversion: 1mm = 0.0393inch

Package included:
5 X Quartz Silica Melting Crucible
2 X Tweezers

Note:
Before the gold and silver melt, borax should be placed at the bottom of the bowl to prevent the gold and silver from melting and sticking to the bottom. The melting bowl is easy to absorb moisture, and it is preheated and gradually heated before use to prevent water from chilling and bursting.


Bill
Reviewed in the United States on February 1, 2025
Wanted to use these to melt wax, but apparently because they are unglazed and therefore porous the wax leaked through onto my heat source. This created a potential fire hazard. Will buy something else with glazing.
Linda J Cooper
Reviewed in the United States on January 21, 2025
Received all the small size. The picture showed graduated sizes.EXTREMELY DISAPPOINTED
Nico
Reviewed in the United States on May 19, 2024
Good for price but sides are a little low and the tweezers that come with it are junk and longer pliers and better if you don’t want to get burned
joy
Reviewed in the United States on December 5, 2024
Good Value, Used a few times, and still in good use.2 handy tweezers.
Solid exactly what I expected!!
Reviewed in the United States on October 3, 2024
Delivered on time exactly what I was looking for packaged very. Great item!
Christine Price
Reviewed in the United States on October 22, 2024
Sturdy
Michael
Reviewed in the United States on October 20, 2024
Thank you for the fast shipping and great products, will buy again
Cerulean
Reviewed in the United States on December 7, 2023
Bunch of differing sizes for what you need, did mean that the larger couple would not fit in my crucible holder. Thus, I could not prep them.Would likely look at buying again.
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