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  SOFTWOOD:
PINE
NAMES: Pine tree
BOTANICAL NAME: Pinus silvestris L.
ORIGIN AND SPREAD: Central-, Northern- and Eastern Europe
MACROSCOPIC CHARACTERISTIC FEATURES: Boarder of Annual rings clear; transition from spring-wood to summer-wood within the annual ring clear; sapwood yellowish white, heartwood reddish yellow to brown (get darker)

IMPORTANT TECHNOLOGICAL FEATURES:

  Dry density (grams/cbm) 0,30 0,49 0,85
Volume shrinking tolerance (in %) 11,2 12,4
Pressure strength (Newton/qm) 35 55 94
Bending strength (Newton/qm) 41 100 205
Tensile strength (Newton/qm) 35 104 196
E-Module 6 900 12 000 20 100

PROCESS AND USE:

Good to saw, to plane, to peal, difficult to stain and varnish when tree has too much resin. -----good to impregnate, good artificial drying ( danger of blueness)

--- for inside and outside, paper and pulp industry; special wood for masts and ----

----quite durable, ---- susceptible fungus and insects

SPECIFIC CHARACTERISTICS:

Approx. 95 Pinus kinds are known, Swedish and Polish Pine are to prefer