Aetherium Innovations jewelry investment casting powder packaged in a resealable bag with loose powder and scoop. Available in 1 lb and 2 lb quantities for small-batch lost wax casting, jewelry making, silver casting, and home studio use.

Jewelry Investment Plaster | Lost Wax Casting Powder

1lb (453gr)
$26.00
$26.00
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Aetherium Innovations jewelry investment casting powder packaged in a resealable bag with loose powder and scoop. Available in 1 lb and 2 lb quantities for small-batch lost wax casting, jewelry making, silver casting, and home studio use.
  • Aetherium Innovations jewelry investment casting powder packaged in a resealable bag with loose powder and scoop. Available in 1 lb and 2 lb quantities for small-batch lost wax casting, jewelry making, silver casting, and home studio use.
  • Jewelry investment powder for lost wax casting shown in a perforated casting flask on a heat-resistant block. Investment surrounds the mold cavity inside the flask, illustrating its use for precision jewelry casting, rings, pendants, and small metal components.
  • Water being added to jewelry investment powder in a mixing bowl beside a whisk. Image introduces investment powder mixing ratios, water measurement, working time, and preparation for lost wax jewelry casting.
  • Reference chart showing recommended jewelry investment burnout cycles, powder-to-water ratios, water temperature, vacuum and conventional mixing times, flask preparation, and working time for lost wax casting investment.
  • Wax and resin jewelry ring models arranged on a sprue tree before investment casting. Multiple ring settings and detailed jewelry patterns demonstrate model preparation for lost wax casting and small-batch jewelry production.
  • Jewelry investment powder being mixed for lost wax casting, with emphasis on reducing trapped air bubbles before pouring. Thorough mixing and proper vacuuming help prevent casting defects such as metal nodules, rough surface texture, and poor detail in finished rings and jewelry.
  • Perforated jewelry casting flask and vacuum base used after filling with investment. Vacuuming the filled flask helps release air bubbles trapped against wax or resin patterns, reducing surface defects, casting nodules, pitting, and loss of fine jewelry detail.
  • Freshly cast jewelry tree with multiple ring settings and small components still attached to the central sprue after lost wax casting. Image shows the metal casting stage before sprue removal, cleanup, finishing, polishing, and stone setting.
  • Jewelry vacuum casting machine with heated crucible and perforated casting flask in an active workshop. Aetherium casting services provide an option for makers who need help moving wax or jewelry models through the investment casting process.
  • Jewelry wax carving setup with a wax ring blank, carving pen, and multiple ring forms on a jeweler’s work surface. Image directs makers toward additional wax carving, jewelry making, casting, and bench supplies available separately from Aetherium.
  • Finished geometric metal lion sculpture displayed on a workshop bench with the Aetherium Innovations mark and “Where Artistry Meets Engineering.” Brand image connects jewelry casting, metalwork, fabrication, machining, and fine craft within the Aetherium maker ecosystem.
  • Jewelry Investment Plaster | Lost Wax Casting Powder
  • Aetherium Innovations jewelry investment casting powder packaged in a resealable bag with loose powder and scoop. Available in 1 lb and 2 lb quantities for small-batch lost wax casting, jewelry making, silver casting, and home studio use.
  • Jewelry investment powder for lost wax casting shown in a perforated casting flask on a heat-resistant block. Investment surrounds the mold cavity inside the flask, illustrating its use for precision jewelry casting, rings, pendants, and small metal components.
  • Water being added to jewelry investment powder in a mixing bowl beside a whisk. Image introduces investment powder mixing ratios, water measurement, working time, and preparation for lost wax jewelry casting.
  • Reference chart showing recommended jewelry investment burnout cycles, powder-to-water ratios, water temperature, vacuum and conventional mixing times, flask preparation, and working time for lost wax casting investment.
  • Wax and resin jewelry ring models arranged on a sprue tree before investment casting. Multiple ring settings and detailed jewelry patterns demonstrate model preparation for lost wax casting and small-batch jewelry production.
  • Jewelry investment powder being mixed for lost wax casting, with emphasis on reducing trapped air bubbles before pouring. Thorough mixing and proper vacuuming help prevent casting defects such as metal nodules, rough surface texture, and poor detail in finished rings and jewelry.
  • Perforated jewelry casting flask and vacuum base used after filling with investment. Vacuuming the filled flask helps release air bubbles trapped against wax or resin patterns, reducing surface defects, casting nodules, pitting, and loss of fine jewelry detail.
  • Freshly cast jewelry tree with multiple ring settings and small components still attached to the central sprue after lost wax casting. Image shows the metal casting stage before sprue removal, cleanup, finishing, polishing, and stone setting.
  • Jewelry vacuum casting machine with heated crucible and perforated casting flask in an active workshop. Aetherium casting services provide an option for makers who need help moving wax or jewelry models through the investment casting process.
  • Jewelry wax carving setup with a wax ring blank, carving pen, and multiple ring forms on a jeweler’s work surface. Image directs makers toward additional wax carving, jewelry making, casting, and bench supplies available separately from Aetherium.
  • Finished geometric metal lion sculpture displayed on a workshop bench with the Aetherium Innovations mark and “Where Artistry Meets Engineering.” Brand image connects jewelry casting, metalwork, fabrication, machining, and fine craft within the Aetherium maker ecosystem.
  • Jewelry Investment Plaster | Lost Wax Casting Powder
Jewelry Investment Plaster | Lost Wax Casting Powder

Jewelry Investment Plaster | Lost Wax Casting Powder

$26.00
$26.00
Shipping calculated at checkout.
Bag Weight

In stock - Ships in 1-3 business days

Lost-wax casting is one of metalworking’s oldest acts of transformation. For thousands of years, makers have shaped temporary forms in wax, surrounded them with heat-resistant material, burned the wax away, and poured molten metal into the space left behind. The tools have changed. The craft is still the same.

Modern jewelry investment powder is the refined version of that ancient mold material. Gypsum-bonded investment combines a plaster-based binder with refractory mineral components engineered to withstand burnout temperatures while expanding in a controlled way around fine detail. Mixed with water, it becomes a smooth slurry that flows around carved wax or castable patterns, hardens into a rigid flask, and preserves the negative space that becomes the final metal object.

This investment powder is intended for lost-wax jewelry casting molds, including rings, pendants, settings, charms, and other small metalwork. Accurate water ratios, thorough mixing, vacuuming, curing, and a controlled burnout schedule all contribute to clean detail and consistent surface quality.

Offered in smaller bench-scale quantities for makers who do not need a full commercial bag.

Select Size at Checkout

1 lb / 453 g
2 lb / 907 g

Repacked from bulk commercial supply
For the Modern Maker

Ships from the Pacific Northwest, USA

Every order supports Aetherium Innovations and our mission to develop tools and technologies that lower the barriers in the skilled art trades.

Bench-tested

Modular by design

Direct builder support

Pacific Northwest built

Build & Support

Aetherium products are developed around real workshop and field workflows. If you need dimensions, compatibility guidance, replacement components, or help adapting this product to your setup, contact the workshop before ordering.
Shipping & Returns

The production estimate shown near the purchase button is the current working lead time for this item. Shipping is calculated at checkout.

If an order arrives damaged, does not match what you received approval for, or you need to request a return, contact us with the order number and photos when applicable. We will review the situation directly and help determine the right next step.

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Why Aetherium

Built like someone has to use it.

We design around real workflows, direct feedback, and the belief that a good tool should expand what its owner can do.

Bench-testedDeveloped around real workshop problems, not trend forecasts.
Small-batchProduced deliberately with clear lead times and direct accountability.
AdaptableModular, repair-minded systems designed to evolve with the work.
Direct supportCompatibility question? You can talk to the person who built it.
Unsure whether this fits your setup?Send the workshop a photo or a short description before you order.
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