SLA UV‑Curable Castable Wax is a high‑precision photopolymer casting material as direct replacement for Cast 40. Designed specifically for SLA 3D printers, it produces highly detailed jewelry lost‑wax patterns. The printed parts exhibit low thermal expansion and clean burnout with minimal residual ash, effectively reducing metal casting defects for precious‑metal jewelry manufacturing.
Product Overview SLA UV‑Curable Castable Wax (Cast 40 Equivalent) is a UV‑curable photopolymer formulated for SLA 3D printing of jewelry lost‑wax patterns. It delivers outstanding resolution to reproduce extremely fine textures, filigree structures and tiny stone‑setting seats on printed jewelry models. After 3D printing and post‑curing, the solid pattern can be directly invested in casting shells. During the burnout cycle, the material decomposes thoroughly with very low ash residue, avoiding inclusions and surface blemishes on gold, silver and platinum castings. It satisfies rapid prototype and small‑batch production requirements for modern jewelry foundries.
Key Features ‑ Direct Cast 40 equivalent SLA UV‑curable castable photopolymer ‑ Excellent printing resolution for fine filigree and intricate jewelry geometries ‑ Moderate thermal expansion, reduces cracking of investment mould shells during burnout ‑ Clean and thorough thermal decomposition, extremely low ash residue after burnout ‑ Suitable for rapid prototyping and small‑batch digital jewelry manufacturing workflows
Typical Technical Properties ‑ Chemical Type: UV‑curable photopolymer castable wax‑resin ‑ Appearance: Translucent liquid ‑ Viscosity: Refer to TDS ‑ Post‑cure Hardness: Refer to TDS ‑ Ash Content: Refer to TDS
Applications ‑ Digital jewelry manufacturing: SLA 3D‑printed lost‑wax patterns for rings, pendants and earrings ‑ Jewelry prototype: Fast production of complex filigree jewellery models ‑ Precious‑metal casting: Gold, silver, platinum alloy investment‑casting production ‑ Custom jewellery: Individual custom‑designed jewelry pattern fabrication
Processing Recommendation Follow recommended printer exposure parameters for SLA printing. Complete adequate UV post‑curing after printing. Remove supports carefully before investing. Observe standard heating‑rate curve for shell burnout. It is essential to perform trial printing and trial casting before formal mass production.
Storage & Handling Store the liquid resin in tightly sealed containers away from direct UV‑light and sunlight. Maintain cool and dry storage environment. Reseal containers promptly after use. Wear suitable gloves and eye protection during handling of liquid photopolymer.

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