JB/T 15612-2026Hardener for foundry 3D printing process (English PDF)

JB/T 15612-2026 is the English-translated version of 铸造3D打印用固化剂.

JB/T 15612-2026 covers hardener for the foundry 3D printing process. In this process sand molds and cores are printed layer by layer with a binder system, and the hardener is the chemical component that makes the binder cure. The document applies to this material as a foundry product.

Producers of foundry chemicals, foundries and 3D printing service companies that buy the hardener, and testing laboratories are the users concerned. The /T in the code marks it as voluntary. The Ministry of Industry and Information Technology issued it on 1 June 2026, and it takes effect on 1 December 2026. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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