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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Annealing Cups for Laboratory, Assay & High Temperature Sample PreparationAnnealing Cups Made of the finest selected fire clay, these cups are smooth and have an unglazed surface. Used for annealing gold buttons and for ignition of precipitates such as barium sulfate, copper sulfide, and silica. annealing cups for assay lab ceramic annealing cups high temperature sample cup metallurgy annealing cup lab heating cup ceramic assay sample prep cups Used for: laboratory metal analysis combustion elemental analysis assay testing
Annealing Cups
Made of the finest selected fire clay, these cups are smooth and have an unglazed surface. Used for annealing gold buttons and for ignition of precipitates such as barium sulfate, copper sulfide, and silica.
- annealing cups for assay lab
- ceramic annealing cups
- high temperature sample cup
- metallurgy annealing cup
- lab heating cup ceramic
- assay sample prep cups
Used for:
- laboratory metal analysis
- combustion / elemental analysis
- assay testing
- sample heating prep
- thermal treatment workflows
- precious metal / mining labs
- industrial QA labs
***These are made at time of order and have a longer lead time***
Colorado Assay Crucibles – Multi-Run
Made of a high quality, premium mix, these assay crucibles are made to be a multi-run crucible when used in a standard assay process. They are also suggested for use with harsh flux.
Specifications
| Part No. | Size | Height | Top Outer Diameter | Qty/Pk |
| C64020000 | 0 | 1.25 inches | 1.125 inch | 12 |
| C64020002 | 1 | 1.125 inches | 1.375 inch | 12 |
| C64020004 | 2 | 1.75 inches | 1.625 inch | 12 |
| C50021504 | 15 Gram | 3.8 inches | 2.88 inches | 64 |
| C50021508 | 30 Gram | 4.4 inches | 3.5 inches | 64 |
| C50021512 | 40 Gram | 5.25 inches | 3.5 inches | 48 |
| C50021520-NS | 50 Gram | 6.25 inches | 3.6 inches | 48 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 4
Awkward sizing but decent fit
Size: 16, Color: Double Talk
I normally wear a girls 14 but had to size up with these. The waist was slightly too small while the length was right. After sizing up to a 16, the waist fit perfectly but the pants were too long. They look alright with heels or platform sandals but with any other type of shoe, they would need to be cuffed or shortened at the hem. I’m 4’11” and about 114lbs
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Reviewed in the United States on June 16, 2025
★★★★★ 5
Great quality
Size: 8, Color: Double Talk
Great quality jeans! My daughter needed blue jeans for her choir performance and I only found out right before the show. I’m so glad I could find a pair on Amazon and get it the next day — what a life saver! They fit well and she was so happy to wear her first Levi’s!
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Levi jeans
Size: 8, Color: Doubt It
Fit great.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Adult four foot eleven
Size: 16, Color: Doubt It
I'm an adult woman. 4 11" 135 pounds. Because it matters, I'll say I have a flat belly. Size 16 fits perfect!! Curves, length and all.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Nice fabric, comfortable, easy maintenance
Special Size: 27.5" Full Length, Size: Large, Color: Taupe, Special Size: 27.5" Full Length, Size: Large, Color: Taupe
I ordered a medium and they’re actually a size large. And they are just too large. I should’ve gotten the small, as recommended I thought I was ordering medium and I think I would’ve been OK with a medium, but where I usually wear a small and they sent me a large. It was just ridiculously large. They are lightweight and they are warm. I’m a senior and I’m thin so I get cold very easily especially in early morning and evening, so I like to wear them in the morning for my walks/yoga , they also work nicely under a longish skirt so it’s not so sheer… will definitely get more but will go with the small size. Just for reference, I’m 5 foot seven I usually wear a small or a size 5/6 usa size so these were too large, particularly in the waist just overall they were too large, but I think even if I got a small size they’re still gonna be kind of large in the stomach. I have an hourglass shape just for reference, but they are very comfortable, and I love the fabric. I am keeping them because I like the fabric and I really need them. I just will not wear them out of the house right now because they’re not fitting properly but next go round we’ll get the right size. Price was right they were having a sale so it was a bit of an impulse buy. But hello it was only 10 bucks! so that’s why it’s not worth sending it back for me. Overall, very nice quality and would recommend. Cats like the fabric too! 😸
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Reviewed in the United States on May 4, 2026