Rubberwood (likely with dark walnut stain) — Hevea brasiliensis
Medium-High. The visible pore structure, grain orientation, and the way the dark stain has settled into the coarse grain are hallmark traits of stained Rubberwood common in modern furniture. confidence

Rubberwood (likely with dark walnut stain)

Hevea brasiliensis · Hardwood

Type
Hardwood
Origin
Native to Brazil (Amazon Basin), but commercially grown in plantations throughout Southeast Asia (Thailand, Malaysia, Indonesia).
Hardness
930 lbf (Medium)
Durability
Non-durable; susceptible to decay and insect attack if not treated. Most commonly used for interior furniture where it is protected from moisture.

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Grain Pattern

Generally straight to slightly interlocked with a coarse, open-textured appearance. Large pores are visible as small dark dashes on the surface. Shows 'cathedral' patterns in flat-sawn sections.

Color & Appearance

Naturally light blonde to medium tan, but this specific sample has a dark brown pigmented stain and semi-gloss topcoat. The sapwood and heartwood are typically indistinguishable in natural state.

Hardness (Janka)

930 lbf (Medium)

Durability & Decay Resistance

Non-durable; susceptible to decay and insect attack if not treated. Most commonly used for interior furniture where it is protected from moisture.

Value & Sustainability

Estimated Market Value
$3.00 - $5.00 per board foot (standard lumber price; finished furniture value varies).
Wood Age Estimate
Modern (less than 10-15 years), based on the uniform factory-applied finish and the consistent wear patterns typical of mass-produced flat-pack furniture.
Sustainability Status
Highly Sustainable; considered an 'eco-friendly' wood because it is harvested from rubber plantations after the trees complete their useful latex-producing cycle (approx. 25-30 years).

Common Uses

Budget-friendly furniture, cabinetry, cutting boards, kitchenware, and interior utility items.

Geographic Origin

Native to Brazil (Amazon Basin), but commercially grown in plantations throughout Southeast Asia (Thailand, Malaysia, Indonesia).

Workability

Generally easy to work with both hand and machine tools, though the high latex/sap content can occasionally gum up sandpaper or blades. Glues and finishes very well.

Finish Recommendations

Accepts stains very well to mimic more expensive hardwoods like Walnut or Oak. A polyurethane or lacquer topcoat is recommended for durability, as seen in this sample.

Notable Features

Often marketed as 'Malaysian Oak' or 'Eco-Wood.' It has a characteristic 'sour' smell when freshly cut and is known for its low shrinkage and stability once kiln-dried.

Learn more about Rubberwood (likely with dark walnut stain) in the Wood Encyclopedia
Identified July 21, 2026