Solid single layer wood board made up of pieces of wood (strips) glued together edge to edge and or on edge based on an aqueous dispersion-based adhesive of polyvinyl acetate. The manufacturing process is completed by longitudinal cut of the piece to normalized length in addition to the item’s sanding. The international term that used is the acronym SWP (S = solid; W = wood; P = panel).
Grade A/B: main face is free of knots and back face may include some (always treated).
Grade B/B: both sides with live knots (no dead knots), which in no case will lead to cracking nor csplitting of the strip.
Scientific name: Pinus Radiata D. Don
Common name: Radiata Pine, Insignis Pine
Grain: Straight, except for rings close to the pith
Defects: Knots, normally healthy ones
Texture: Homogenous and fine
Scent: Slightly sappy
Moisture content: 12 %
Thermal conductivity: 0,104 λ (W/mK)
Nominal density: 445 Kg/m3
Permeability: Retention > 240 kg/m3
Shrinkage coefficient: Volumétrica (14,5 %); Tangencial (7,4 %); Radial (4,2 %)
Durability: Category 4
Domain: Eukaryota
Kingdom: Plantae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Species: Radiata
Janka Hardness: 3600 N
Modulus of rupture: 816 Kg/cm²
Modulus of elasticity: 80558 Kg/cm²
Compression resistance: 347 Kg/cm²
Alburnum: White – creamy
Duramen: Light brown
Knot: Chestnut-brown
(measurement values are indicated in mm)
Lenght: 1000 – 1200 – 1400 – 1600 – 1800 – 2000 – 2200 – 2400 – 2440
Width: 1220
Thickness: 10 – 12 – 16 – 18 – 22 – 25 – 30 – 40
Consult other measurements
In accordance with The Spanish Association of Standardisation, the edge glued Radiata pine panels are classified as follows:
Regarding the conditions in which it is utilized: SWP (1= dry )
Regarding its mechanical properties: SWP 1 NS (NS= non- structural, non-structural application)
Cutting: Easy
Drying: Fast
Planing: Easy
Gluing: Easy
Nailing and screwing: Easy
Our experience with Radiata pine and finger-joint panels made of this raw material allows us to know the possible modifications or damage that the product might suffer in the event that a series of recommendations regarding basic conservation and storage were not taken into consideration to preserve its durability and stability.
In wanting to avoid warping of the panel or edging of the strips that are at the edges we suggest the following recommendations:
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