Heart Pine

 

 

 

 

 

 

Sample is ¾-by-3 inchsquare-edge solid strip.

Top portion is finished with water base urethane; bottom with oil modified polyurethane.

 

Appearance

 

COLOR:Heartwood is yellow after cutting and turns deep pinkish tan to warm reddish brown within weeks due to high resin content. Sapwood remains yellow, with occasional blue-black sap stain.

 

GRAIN: Dense, with high figuring. Plainsawn is swirled; rift- or quartersawn is primarily pinstriped. Curly or burl grain is rare.

 

VARIATIONS WITHIN SPECIES AND GRADES: Moderate color variation.

 

Properties

 

HARDNESS (JANKA):

 

DIMENSIONAL STABILITY:

 

DURABILITY: Natural resistance to insect infestation in heartwood; dense.Above average (change coefficient .00263; 29% more stable than red oak).1225; 5% softer than Northern red oak.

 

Workability

 

SAWING/MACHINING: Good machining and hand-tooling qualities.

 

SANDING: Tendency to clog paper due to high resin content; begin with coarse grade

 

NAILING: Good holding ability.

 

FINISHING: Accepts both surface and penetrating finishes. Some stains may blotch; raising grain first may help. To reduce the wood’s tendency to repel finish coats, surface resins may be removed with a solvent that is compatible with the finish to be used.

 

Cost

(relative to plainsawn select red oak)

MULTIPLIER: 2.00

 

Availability

Limited

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