Name: AAC Autoclaved Aerated Concrete Lightweight Block
Brand: ttkbuildingmaterials.com Product Index
Availability: InStock

WHAT IT IS

AAC autoclaved aerated concrete lightweight block is a factory-produced masonry unit made by aerating a cement-lime-silica slurry and steam-curing under pressure, used for partition and infill walls in modern Malaysian high-rise and landed residential construction. Density class D500–D700 (500–700 kg/m³); compressive strength class CS1–CS4; thermal conductivity ≈ 0.12–0.22 W/(m·K). Common sizes: 600 × 200 × 100/125/150/200 mm; approximately 120–180 pieces per pallet. No HS data present. General properties follow BS EN 771-4; Malaysian practice references SIRIM certification. Installed with thin-bed adhesive mortar (1–3 mm joint) for improved thermal performance.

UNIT OF MEASURE

PC (PRIMARY) PALLET M³

Typical pack size: Common sizes: 600 × 200 × 100/125/150/200 mm; approx. 120–180 pcs/pallet depending on thickness

GRADE & SPECIFICATION

Autoclaved aerated concrete masonry unit. Density class D500–D700 (500–700 kg/m³); compressive strength class CS1–CS4. Thermal conductivity ≈ 0.12–0.22 W/(m·K). General properties follow BS EN 771-4 (AAC masonry units); Malaysian practice references SIRIM certification.

TAX — INDICATIVE ONLY

AAC blocks are generally SST-exempt as basic construction material. Confirm with your licensed tax agent.

Suggested SST treatment — indicative only. Confirm with your licensed tax agent. Tax positions change and this is not a tax ruling. ttkbuildingmaterials.com accepts no liability for tax decisions made in reliance on this information. Spotted anything wrong in this listing (spec, classification code, or tax)? Email hello@ttkbuildingmaterials.com and we will review it.

HS CODE — INDICATIVE ONLY

6904.90 (Other ceramic building bricks/blocks) — AAC units are cementitious, not ceramic; medium confidence; may also fall under 6810 (articles of cement/concrete/artificial stone)

Indicative HS code for import classification. Verify with your customs agent or Customs Malaysia (Jabatan Kastam) before use.