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Kiln-dried = moisture removal (8-15% MC) for FSMA/cold-chain. Heat-treated = ISPM-15 phytosanitary (56C core 30 min) for export. United States Pallets supplies new, recycled, custom, and ISPM-15 heat-treated pallets to commercial buyers in all 50 states, with a 50-pallet minimum order and a written quote target of under 2 business hours.
Get a Price →Kiln-dried = moisture removal (8-15% MC) for FSMA/cold-chain. Heat-treated = ISPM-15 phytosanitary (56C core 30 min) for export.
Kiln-dried (KD): lumber dried in kiln to 8-15% moisture content for dimensional stability. Heat-treated (HT/ISPM-15): lumber heated to 56C core temperature for 30 minutes minimum to kill pests, per IPPC ISPM-15 standard.
KD: prevents warping, splitting, mold in cold-chain or humid environments. HT: meets phytosanitary requirements for export to 180+ IPPC member countries.
Many pallets are both KD and HT - kiln drying often achieves the 56C core temp incidentally. The IPPC mark on stamped pallets specifies HT (heat-treated) regardless of moisture target.
KD: typically built into spec, no separate charge. HT/ISPM-15: $0.85-1.10 per pallet add-on for stamping at ALSC-accredited facility.
KD: cold storage, dairy, frozen, pharma cold-chain, FSMA Sanitary Transportation. HT: any export shipment to IPPC-member countries (China, EU, Japan, Korea, Mexico, Brazil, etc).
Sub-2-hour response.