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Permawood® (Lignostone®) |
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Permawood® (also known as Lignostone®)
is
a laminated densified wood according to the
DIN 7707 and IEC 61061 standards. It consists
of beech veneers which are joined together
using synthetic resins that harden under
pressure
and heat.
Permawood® is characterised by the following
properties:
- low specific weight
- good electrical insulation
- withstands high mechanical loading
- good slippage
- low and high-temperature resistance
- resistance to abrasion and wear
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Permawood® consists of the renewable rescource
beech wood
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Key to identification |
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The required grade for a specific application is defined by: |
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Densification symbols |
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L = 0.75 to 1.05 g/cm³
M = 1.10 to 1.25 g/cm³
H = 1.30 to 1.40 g/cm³ |
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Lamination |
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I= parallel
II= crosswise
X= tangential |
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Veneer thickness |
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1 = veneers < 2 mm
2 = veneers >–2 mm |
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Type of resin |
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without character = mechanical types
E3= electrical types |
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An example for identification of one of the standard types: |
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LII/2-E3 = low density – crosswise lamination – with >–2.0 mm veneer – electrical type
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We also supply special types for applications with particular requirements.
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