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Product
Birch plywood sanded on both the sides. Latvian
birch plywood has a wide range of application.
Construction
Plywood is composed of 1.4 mm thick veneers by cross bonding. Face
veneers can be both long grain and cross grain.
Grades
Grades of plywood Riga Ply are defined according to company’s
technical specifications developed in accordance with SFS 2413,
as well as on the basis of International Organization for
Standardization 139. Technical Committee II Working Group
qualilty requirements, recommendations and regulations on plywood with
outer plies made of peeled birch veneers (1994). In some points, there are
stricter and more specific quality requirements than in International
documents:
B
(I) - for high quality painting, staining and lacquering;
S (II) - for good quality painting, staining and lacquering;
BB (III) - standard grade (plugged), for interior paint
finish and coating with transparent and non-transparent thicker
overlays and films, and also veneering;
WGE - plywood of WG grade without open defects (repaired with
filler), for coating with non-transparent finishing material;
WG (IV) - for use where surface appearance is not important,
reverse grade.
Further processing
Plywood Riga Ply can be processed in
many different ways, including film overlaying, painting, lacquering,
oiling, scarf jointing, machining, half lap, tongue & groove jointing etc.
Applications
Birch plywood Riga Ply has a wide range of application for
interior and exterior use: building and construction, transport,
packaging, furniture, joinery, sport outfit, children toys and other
applications.
Advantage
Environmentally friendly, durable, easy workable.
Formaldehyde
emission
In accordance with the standard EN 13986
formaldehyde emission meets the Class E1 requirements. Test
method EN 717 Part 2.
Gluing classes
Birch plywood Riga Ply is bonded with a phenol resin adhesive
which is weather and boil-proof and meets the requirements of the
following standards:
EN 314 /
3 rd class;
BS 1203 / H4 (previously WBP);
DIN 68705 Part 3 / type BFU 100.
It is also possible to
glue plywood with urea-formaldehyde adhesive resin (meets the requirements
of BS 1203 / H1) and moisture resistant urea-formaldehyde
adhesive resin which is modified with melamine (meets the requirements of
EN 314 / 1rd class and BS 1203 / H2).
Sizes
1200 mm x 1200 / 1500 / 1800 / 2100 /
2400 / 2700 / 3000 mm
1220 mm x 1220 / 1525 / 1830 / 2135 / 2440 / 2745 / 3050 mm
1250 mm x 1250 / 1500 / 1800 / 2150 / 2500 / 2750 / 3000 mm
1500 mm x 1500 / 1800 / 2100 / 2500 / 2700 / 3000 mm
1525 mm x 1525 / 1830 / 2135 / 2440 / 2745 / 3050 mm
Long grain plywood panels with the length up to 2500 mm are also
available.
Cut to size panels and machining available in accordance with the
customers' requirements.
Thickness
4, 6.5, 9, 12, 15, 18, 21, 24, 27, 30,
35, 40, 45, 50 mm.
Tolerance
Size and right angle tolerance meets the
standard EN 315 requirements.
| Nominal thickness, mm |
4 |
6,5 |
9 |
12 |
15 |
18 |
21 |
24 |
27 |
30 |
35 |
40 |
45 |
50 |
| Number of plies |
3 |
5 |
7 |
9 |
11 |
13 |
15 |
17 |
19 |
21 |
25 |
27 |
31 |
35 |
| Average actual
thickness, mm |
3,8 |
6,4 |
9,2 |
12,0 |
14,9 |
17,7 |
20,5 |
23,4 |
26,5 |
29,4 |
35,0 |
38,7 |
43,6 |
49,6 |
| Lower limit, mm |
3,5 |
6,1 |
8,8 |
11,5 |
14,3 |
17,1 |
20,0 |
22,9 |
25,8 |
28,7 |
33,6 |
38,4 |
43,3 |
48,1 |
| Upper limit, mm |
4,1 |
6,9 |
9,5 |
12,5 |
15,3 |
18,1 |
20,9 |
23,7 |
26,8 |
29,9 |
35,4 |
41,4 |
46,6 |
51,7 |
| Parameter |
Tolerance |
Length, width, (mm)
<1000
1000…2000
>2000 |
± 1 mm
± 2 mm
± 3 mm
|
| Right angle |
± 0,1 % |
| Edge straightness |
± 0,1 % |
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Plywoods
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