Commodity 4.5-6mm non-asbestos fiber cement board lists at US$1.50-3.00/m² FOB Shanghai with a 10,000 m² minimum order and 300,000 m²/month supply capability, while denser 10-12mm structural panels from Lutai run US$6.75-6.80/piece FOB at 800-1,000 piece MOQ [S2][S3].
Mineral-fibre cement board in the standard 1220×2440 mm size drops to US$4.85/piece at 200-19,999 piece orders and rises to US$57.00/20,000+ piece tier from the same audited supplier, an unusual staircase that reflects palletised export packing rather than per-piece discounting [S6].
Price Tiers by Thickness and Density
The 4.5-30 mm Lutai range ships at density 1.2-1.3 g/cm³, water content below 12%, swelling below 0.25%, anti-bending strength above 12 MPa, A1 fire classification under ASTM/CE marking, and refractory temperature below 600 °C [S3]. Those physical limits define the spec band where 4.5-6 mm partition-grade board prices collapse to the US$1.50-3.00/m² floor [S2], while anything above 10 mm with autoclaved curing moves into the US$5-7/piece band on a 1200×2400 or 1220×2440 mm blank [S3][S5].
A second cut comes from raw material: standard boards blend Portland cement, imported wood pulp, quartz sand, and cellulose fibre with no asbestos, sepiolite, or formaldehyde, and pass GB6566-2001 A-class decoration material radioactivity limits [S2][S5]. Higher fire-rated Sanle-type boards substitute high-grade cement and modified binders, which carries a per-tonne premium that does not always show in headline FOB numbers but appears in the autoclave cycle cost [S4].
Cost Driver Breakdown: Cement, Autoclave, and Freight
Quoted prices move with three inputs more than any other: cement clinker cost (the bulk of mass), autoclave steam and pressing time (energy and capacity bottleneck), and palletising plus 20-foot container fill for export. A 1220×2440 mm board at 12 mm thickness weighs roughly 35-38 kg per sheet, so a 20 FCL carries 600-700 pieces, and freight becomes a meaningful share of landed cost for buyers outside Asia [S3][S6].
Mineral-fibre cement lines are sized for 2-8 million m²/year of calcium silicate board output per production line under ISO 9001:2010 quality systems, and the line's nameplate capacity sets the upper bound on how cheaply a mill can amortise cement and energy into a square metre [S7]. Mills running near 8 million m²/year typically price at the floor of the band; sub-2 million m²/year lines shift the same density class up by 15-25% to cover fixed cost.
MOQ and Volume Tier Behaviour
Volume breaks are not linear: 800-999 piece trial orders price at US$6.80, 1,000+ piece lots drop to US$6.75 (under 1% delta) [S3]. The larger staircase sits on the 20,000-piece break, where the per-piece price jumps from US$4.85 to US$57.00 — that 11.7× step is a packaging switch from per-piece export wrap to full-pallet contract terms, not a real unit-price change [S6].
For procurement, this means the 800-piece to 1,000-piece break matters for trial orders, but the real savings are at 20,000 pieces (full-container), and beyond that the supplier side negotiates pallet configuration, wood-pallet versus steel-rack, and FOB versus CIF terms [S3][S6]. MOQ of 10,000 m² in the Okorder listing and 200 pieces for mineral-fibre 1220×2440 mm are the two anchoring entry points that any cost model must assume [S2][S6].
Specification Comparison Across Common Grades
Lining up the three main product types on decision criteria: commodity 4.5-6 mm non-asbestos (US$1.50-3.00/m², 10,000 m² MOQ, partition/exterior cladding, GB6566-2001 A-class) versus Lutai 4.5-25 mm structural (US$6.75-6.80/piece, 800-1,000 piece MOQ, density 1.2-1.3 g/cm³, A1 fire, ASTM/CE) versus mineral-fibre 1220×2440 mm (US$4.85/piece at 200-19,999 pieces, longer boards up to 4880 mm, ceiling and decorative use) [S2][S3][S5][S6].
Selection here is duty-led rather than price-led: wet-area partition and tile-backer specifications want the lower-density GB6566-2001 A-class commodity board; external cladding and fire-rated shaft walls want the Lutai-spec density and A1 fire ASTM/CE proof; decorative ceiling and long-span soffit work wants mineral-fibre at 1200×2400 or 1220×2440 mm with max length 4880 mm to minimise joints [S5][S6].
Who This Material Is For and Where It Fails
Fiber cement board is specified for non-combustible partition, external wall cladding, suspended ceiling, tile-backer, and lightweight grout panel duty, with 4.5-30 mm thickness covering most non-structural wall and ceiling use cases [S5]. It is not a structural load-bearing sheathing, not a substitute for cement-bonded particleboard in heavy-impact floors, and the refractory rating below 600 °C caps it out of high-temperature industrial duct linings [S3][S5].
Edge conditions to spec against: water content ratio must stay below 12% at delivery, swelling below 0.25% and shrinking below 0.50% for dimensional stability, and sand-free surface for direct paint or tile finish — a Lutai datasheet line that procurement should treat as a hard accept/reject criterion at incoming inspection [S3]. Boards that fail these limits typically delaminate at edges within 6-12 months of humid-service install.
Total Cost of Ownership Beyond FOB
Fixing accessories — self-drilling screws, GI or aluminium profiles, joint compound, and alkali-resistant mesh — add another US$0.80-1.50/m² to the installed cost on a standard stud wall [S2][S3].
Lifecycle side: A1-class non-combustible boards avoid the gypsum-board replacement cycle in fire-rated assemblies, and the 1.2-1.3 g/cm³ density keeps acoustic mass high enough for 45-50 dB partition ratings with a single layer on standard studs [S3][S4]. For spec context on a comparable cementitious panel class, see the encyclopedia entry for special cement on binder selection, and for the broader board-category landscape compare with EPS board thermal choices and XPS board moisture performance when pairing cement board with continuous insulation.
Trackable signals to watch: 20,000-piece container-load MOQ behaviour at mineral-fibre suppliers (the US$4.85 to US$57.00 per-piece staircase), cement clinker futures moves that flow into per-square-metre FOB within one quarter, and any update to GB6566 radioactivity limits or ASTM C1186 fire ratings that would re-tier the A1/A-class split. For the matching spec-side deep dive, the Fiber Cement Board Selection Guide 2026 covers density-thickness-fire matching in more detail.