Pallet knowledge / Marks and treatment

Marks & treatment

What do HT, DH, MB and SF mean?

By PalletChecker · AI-assisted, source-linked guidance

Reviewed 2026-10-03 · verified standard

Applies to: International standard; national programme and destination checks

HT means heat treatment; DH dielectric heating; MB methyl-bromide treatment; SF sulphuryl-fluoride treatment. These are phytosanitary methods, not evidence of strength or permission for every cargo or destination.

What to check next

• Confirm destination acceptance and buyer specification.

Sources

• ISPM 15 Annexes 1 and 2: approved treatments

How we research and review answers

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