HARDWOOD
EUROPE:
MAPLE |
|
NAMES: |
Maple
|
BOTANICAL NAME: |
Acer
pseudoplatanus |
ORIGIN AND SPREAD: |
Europe;
northern Spain to Ireland; in USSR only in West Caucasus |
MACROSCOPIC CHARACTERISTIC
FEATURES: |
Yellowish-white
to white; when fresh a slight reddish touch, silky shiny ; simple;
border of annual rings has poor identification; |
MICROSCOPIC
CHARACTERISTIC FEATURES: |
Pores
dispersed, vessels simple, compound and radial, ---parenchyma,
apotracheal dispersed, Woodrays homogene , the size of the woodrays
is of great importance to the different kinds. |
IMPORTANT TECHNOLOGICAL FEATURES:
|
Dry density (grams/cbm) 0,48 – 0,59 – 0,75
Volume
shrinking 11 – 11,8
Pressure strength (Newton/qm) 29 – 49 – 72
Bending strength (Newton/qm) 50 – 95 – 140
Tensile strength (Newton/qm) approx. 82
E-Module 6
400 – 9 400 – 15 200
|
PROCESS
AND USE:
|
Good to
slice and to peal as well as to turn and to carve; tends to
tear and warp, surface treatment unproblematic.
Veneer mostly
sliced; Special wood for music instruments (especially for string
instruments); for panelling and parquet, handles, turning and
carving, for furniture |
SPECIFIC
CHARACTERISTICS: |
Steaming
is to prevent, the risk to cause spots is too high; approx. 65
Acer kinds, only in Europe known |