1 / 10Borax Flux 1 LB Melting Gold Silver Crucible Jewelry Casting Refining Metal 16OZ
Brand: GTE
In stock
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- Ships from
- US
- Format
- Buy It Now
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gold_testing_equipment
59,667 feedback · 99.6 positive
Specifications
- Brand
- GTE
- Gold Melting Gold & Silver Casting
- Casting Melting Flux - Crucible Glazing
- Type
- Crucible
- Unit Type
- lb
- Seller Warranty
- Yes
- Color
- Silver
- Material
- BORAX Granular
- Unit Quantity
- 1
- Country of Origin
- United States
- Suitable For
- Casting, Melting
About this product
Welcome to GTE Gold & Silver Testing– Trusted Distributor of JSP Acids and Premium Testing Products Shop Home Items For Sale eBay-Verified Seller Top Quality Products Fast and safe Delivery Top Quality Products 100% satisfaction Guarantee Safe And Secure Shopping Borax Flux 1 LB Melting Gold Silver Crucible Jewelry Cas…Read full descriptionShow less
Welcome to GTE Gold & Silver Testing– Trusted Distributor of JSP Acids and Premium Testing Products
- Shop Home
- Items For Sale
eBay-Verified Seller
Top Quality Products
- •
- Fast and safe
Delivery
Top Quality
Products
100% satisfaction
Guarantee
Safe And Secure
Shopping
Borax Flux 1 LB Melting Gold Silver Crucible Jewelry Casting Refining Metal 16OZ
Product Description
1 lb Jeweler’s Grade Flux Borax & Ceramic Crucible – Flux for Soldering, Casting & Crucible Seasoning
Condition:
New. Unused. Factory packaged. Professionally labeled.
Description:
Professional Jeweler’s Grade Borax trusted by bench jewelers and metalworkers. This 1 lb size is perfect for high-use shops, refiners, and studios that regularly solder, cast, or melt precious metals.
Unlike household borax, this product is intended specifically for metalworking and jewelry fabrication, delivering consistent, clean results.
Common Uses:
- Flux for soldering gold, silver, copper, brass, and alloys
- Casting and melting applications
- Crucible seasoning and glazing
- Prevents oxidation and firescale
- Improves solder flow and surface finish
Product Details:
- Net Weight: 1 lb (454 g)
- Grade: Jeweler’s Grade
- Form: Fine powder
- Made in USA
- Brand: GTE – Gold & Silver Testing Equipment
How to Use:
Apply dry or mix with water to form a paste. Heat until it melts into a protective glassy layer.
Important Notes:
- For professional and workshop use
- Not food grade
- Use PPE when handling
Keep sealed to prevent moisture absorption
You will receive ONE (1) 1 lb bag as pictured and ONE (1) Ceramic crucible.
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GTE Gold & Silver Testing Equipment is a trusted U.S.-based supplier of professional testing kits, jewelry appraisal…
Description written by a seller of this product on eBay. Store, shipping, payment and contact text has been removed. Check each offer for that seller's own terms.
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1 listing from 1 seller. Prices update periodically. Only one listing of this exact product was found; more sellers appear here as they are discovered.
- Lowest price
- $15.27
- Offers
- 1from 1 seller
| Seller | Condition | Ships from | Price | Shipping | Delivery & returns | Total | |
|---|---|---|---|---|---|---|---|
gold_testing_equipment via eBay 99.6% positive · 59,667 ratings Highly rated seller | New | United States | $15.27$16.97Lowest price 10% off | Free | Est. Oct 21 – Oct 23 | $15.27 | View Deal |
Seller ratings are the feedback eBay reports for each seller. "Highly rated" means at least 98% positive from at least 100 ratings. Total = price + shipping, shown only when the listing states its shipping cost.
Price history
Lowest price available each day, tracked since Oct 7, 2026 (22 days).
- Current lowest
- $15.27
- Previous price
- $16.97
- Lowest recorded
- $15.27
- Oct 18
- Highest recorded
- $16.97
- Oct 7
- Trend
- ↓ 10.0%
- since Oct 7
Lowest price for all conditions. Hover or touch the chart for a day's price.
- Oct 7, 2026: $16.97
- Oct 18, 2026: $15.27
- Oct 28, 2026: $15.27
History is built only from prices this site observed, starting the day tracking began; nothing is estimated or back-filled. Each point is the lowest price among the offers available that day. Shipping, duties and taxes are not included.
