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Maple, Soft Wormy (Ambrosia)

Much like Spalted Maple, Wormy Maple is prized decorative feature caused by fungal intrusion. It is altenatively named Ambrosia Maple, for the wood boring Ambrosia beetle whose tiny holes allow the intrusion to occur, is stronger and less prone to rot than Spalted Maple and as such is especially sought after for woodturning.

Thicknesses

Subject to availability

4/4
5/4
6/4
7/4
8/4
9/4
10/4
12/4
16/4
20/4
1/2"
3/4"
1"

Distribution

Eastern North America

Scientific Name

Acer rubrum

Specific Gravity: Basic

0.49

Specific Gravity: 12% MC

0.61

Janka Hardness

950

Colour/Appearance

White to amber sapwood with pinholes surrounded by grey/brown streaking throughout the wood. Occasionally have curled, rippled figure.

Grain/Texture

Grain is generally straight, but may be wavy. Has a fine, even texture. The growth rings tend to be lighter and less distinct in Soft Maples than in Hard Maple.

Rot Resistance

Rated as non-durable to perishable in regard to decay resistance.

Workability

Fairly easy to work with both hand and machine tools, though maple has a tendency to burn when being machined with high-speed cutters such as in a router. Turns, glues, and finishes well, though blotches can occur when staining, and a pre-conditioner, gel stain, or toner may be necessary to get an even colour.

Odor

No characteristic odor.

Allergies/Toxicity

Maples in the Acer genus, have been reported to cause skin irritation, runny nose, and asthma-like respiratory effects.

Pricing/Availability

Usually less expensive than regular maples, though highly figured patterns are likely to be much more expensive.

Sustainability

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