Tsingbay Technology
Tsingbay Technology

Resin-coated Sand

Investment casting accuracy at sand casting scale.

How shell-mold casting compares.

When investment casting is limited by weight or lead time, and conventional sand casting cannot meet assembly requirements, Tsingbay offers a more precise and production-ready route.

Explore the process
Shell Mold (Tsingbay)Investment CastingSand CastingLost Foam
Dimensional AccuracyCT6–CT7CT7–CT8CT8–CT10CT7–CT9
Surface RoughnessRa 6.3–12.5Ra 6.3–12.5Ra 12.5–25Ra 12.5–25
Blank Production Cycle1 day7 days
Weight Range1–300 kg, batch productionUsually ≤50 kgSuitable for large castingsMedium-to-large castings
Stainless Steel Casting CapabilityRare in the industry · Available at TsingbayGoodLimitedLimited

Need a cleaner, closer-fit casting?

Share your drawing with us. We’ll check whether resin-coated sand shell moulding can improve fit, cavity cleanliness or machining cost.

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