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TU 6-05- 5127- 82
Applied in different sectors
of national economy.
Specification
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Basic
dimensions of blocks:
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Length,
min.
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1700 mm
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Width,
min.
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950 mm
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Height,
min.
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180 mm
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Appearance. Flexible
cross-linked open cell plastic. There
should be no buckles or
flaws on the block surface.
Allowable number of holes (dimples)
of 2.1-3.5 cm size is maximum 7, of 1.1-2.0 cm – maximum 20. Non-reticular
part of blocks
should not exceed 0.5% from each face surface
containing non-reticular segments
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Colour
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From
white to yellow
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Apparent
density, kg/m3
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25-32
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Average
cell size, mm
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1.8-3.5
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Breaking
stress at tension, kgf/cm2, min.
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1.0
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Elongation
at break, %, min.
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220
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Relative
residual deformation at 50% compression, at 700C
for 22 hours, %, max.
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20
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Compression,
kgf/cm2, at
25% deformation, min.
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0.028
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at
65% deformation, min.
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0.042
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Contamination
by solids, mg/m3, max.
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400
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Fuel
displacement, volume %, max.
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3.0
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Fuel
retention, %, max.
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2.3
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Packing. Each polyurethane
foam block after cutting is
packed in polyethylene film according to GOST 10354-82 (tube).
Loading per carriage – 2 tons.
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