Mora Yellow Turning Blanks

Mora Yellow Specs

Scientific Name

Mora excelsa, M. gonggrijpii

Common Name(s)

Mora

Distribution

Northeastern South America (primarily Guyana and Suriname)

Average Dried Weight

63 lbs/ft3 (1,015 kg/m3)

Specific Gravity

Basic: .80, 12% MC: 1.01

Janka Hardness

2,300 lbf (10,230 N)

Modulus of Rupture

22,550 lbf/in2 (155.5 MPa)

Elastic Modulus

2,790,000 lbf/in2 (19.24 GPa)

Crushing Strength

11,950 lbf/in2 (82.4 MPa)

Shrinkage

Radial: 6.7%, Tangential: 9.9%, Volumetric: 17.7%, T/R Ratio: 1.5

Appearance

Heartwood is light to medium reddish brown. Wide pale yellow-brown sapwood is clearly demarcated from heartwood.

Texture

Has a straight to interlocked grain, with a medium to coarse texture. Good natural luster. Endgrain: Diffuse-porous; large pores in no specific arrangement, few; solitary and radial multiples of 2-3; heartwood deposits present; narrow rays faintly visible without lens, normal spacing; parenchyma vasicentric,lozenge, winged, confluent, and marginal.

Rot Resistance

Mora is rated as durable to very durable, and also has good resistance to insect attacks.

Workability

Pieces with interlocked grain can be difficult to work, frequently resulting in tearout during machining operations. Mora also has a pronounced blunting effect on cutting edges.

Odor

Mora can have an unpleasant and sour odor while being worked.

Allergies/Toxicity

Mora has been reported to cause respiratory irritation.

Pricing/Availability

Mora is used within its native range, and is only occasionally exported. When available, prices should be moderate for an imported hardwood.

Sustainability

This wood species is not listed in the CITES Appendices or on the IUCN Red List of Threatened Species.

Common Uses

Flooring, boatbuilding, heavy (exterior) construction, and turned objects.

Comments

Not to be confused with a striped Guatemalan wood that is also sometimes marketed as “Mora,” which is almost universally mislabeled as Maclura tinctoria. Mora excelsa can be distinguished by a more uniform and consistent color, as well as a coarser texture and an unpleasant sour odor when being worked.

Mora Yellow Turning Blank Prices

2″ x 2″ x 12″ Mora Yellow Turning Blank

$13.05

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