Name: CCA Pressure-Treated Timber (H3 / H4 Hazard Class)
Brand: ttkbuildingmaterials.com Product Index
Availability: InStock

WHAT IT IS

CCA pressure-treated timber is Malaysian hardwood vacuum-pressure impregnated with copper-chromium-arsenate salts for long-term resistance to fungal decay and insect attack including termites. Treatment levels follow MS 544: Part 10:2003 hazard class designations: H3 (above-ground exterior exposure — external cladding, pergolas, decking battens) and H4 (ground contact or fresh water — fence posts, landscaping structures). Distinctive green colour from CCA salts confirms treatment. CCA retention targets: H3 ≥4 kg/m³; H4 ≥6.4 kg/m³ (verify against MS 544 Part 10 for species-specific values). Standard lengths 3.0–6.0 m. Not for interior or food-contact applications. HS 4407251900 · import duty 0% · SST 5%.

UNIT OF MEASURE

M³ (PRIMARY) M PIECE

Typical pack size: Standard commercial lengths 3.0 m – 6.0 m; common sections as per sawn timber. Green colour from CCA salts visible post-treatment.

GRADE & SPECIFICATION

Impregnated with CCA (Chromated Copper Arsenate) or alternative copper-based preservative under vacuum-pressure process. Hazard classes per MS 544: Part 10:2003 (Code of practice for structural use of timber — Preservative treatment): H3 (above-ground exposed to weather, e.g. external cladding, decking); H4 (ground contact or fresh water, e.g. fence posts, landscaping). CCA retention: H3 ≥4 kg/m³; H4 ≥6.4 kg/m³ (typical retention targets — verify against MS 544 Part 10 for species-specific values).

CLASSIFICATION

UNSPSC 11122006

UNSPSC codes are issued by the United Nations Global Marketplace (UNGM). CIDB categories are defined by Malaysia's Construction Industry Development Board. These codes are informational — use them to verify, not replace, procurement classification.

TARIFF & TAX — PDK 2025

HS CODE (AHTN) 4407251900 (MEDIUM CONFIDENCE)

OFFICIAL DESCRIPTION Other

IMPORT DUTY (MFN) 0%

SST 5%

Sourced from PDK 2025 (Customs Duties Order 2025). The import duty shown is the MFN / general rate — preferential rates under FTAs (ATIGA, ACFTA, etc.) are typically lower or zero. SST per the PDK 2025 schedule (a value like 10%/0% means standard/exempt variants). Indicative only — confirm the applicable rate and tax treatment with your licensed customs/tax agent before relying on it. Spotted an error? hello@ttkbuildingmaterials.com