JSP Boric Acid Powder 8oz or 2lb Jar – 99.9% Pure Anhydrous H3BO3 for Gold Refining, Jewelry Casting, and Industrial Use

JSP Boric Acid – The Trusted Standard for Gold Refining and Jewelry Casting

Professionals across the refining and jewelry industries trust JSP for reliable, high-purity chemicals—and this 99.9% pure anhydrous boric acid powder is no exception. Packaged in a durable 8 oz jar or 2lb jar, it's ideal for refining gold and silver, fluxing during melts, and protecting tools from oxidation.

🔥 Perfect for:

• Gold & Silver Refining: Removes oxides and impurities, forming a clean slag for higher yield.

• Jewelry Soldering: Mixed with alcohol and burned off, it shields metals from oxidation during torch work.

• Tool Coating: Prolongs tool life by creating a protective barrier on crucibles and other equipment.

⚙️ Also used in:

• Steel hardening

• Flame retardant applications

• pH buffering for pools and labs

• DIY chemistry and lab experimentation

Product Details:

• Brand: JSP

• Grade: 99.9% Pure Industrial / Anhydrous

• Form: Fine Powder

• Net Weight: 8 oz or 2lb jar (You choose)

• Packaging: Clear, resealable labeled jar

📦 Ships UPS Ground (USA only)
⚠️ Handle with care. Use PPE and ventilated space when refining.