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Product
Riga Lacquer is high quality birch
plywood, which is varnished on one or on both the sides for interior
application.
Grades for
overlaying
A, B, S and BB grade plywood
is varnished (in accordance with SFS 2413).
Application
-
LC
- walls, ceilings, stands, working surfaces, furniture and other
components for hard end use conditions
-
LN
- walls, ceilings, stands, furniture and other components for
easy/light end use conditions
-
LWB
- walls, ceilings, stands, working surfaces, furniture and other
components for hard end use conditions
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LUV
- walls, ceilings, stands, working surfaces, furniture and other
components for hard end use conditions
Advantage
Environmentally friendly, durable, easy to use,
decorative.
Gluing classes
Plywood is glued with waterproof phenol
formaldehyde resin adhesive. Bonding is resistant to weather and boiling
water. It meets requirements of the following standards:
EN 314 / 3rd
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 (INT) and moisture resistant
urea-formaldehyde adhesive resin which is modified with melamine (meets
the requirements of BS 1203 / H2 (MR).
Formaldehyde
emission
In accordance with the standard EN 13986
formaldehyde emission meets the Class E1 requirements. Test
method EN 717 Part 2.
Overlaying materials
Primer - low viscosity UV hardening primer
Varnish - acid-hardened (LC).
On special request could be used nitro-cellulose (LN); water base
(LWB) or UV hardening varnish (LUV).
Overlaying methods
| Priming |
by roller coating method, 2 overlays
15-20 g/m2 each. |
| Varnishing |
LC, LN, LWB
varnishes by curtain coating method 80-100 g/m2; |
| |
LUV
varnishes by roller coating method 10-15 g/m2. |
Sanding after priming.
Overlaying
Transparent or with pigment (with 3% white
pigment, only for LN and LC overlaying).
Shining
23 - 27% at 60°.
Overlaying fixity
DIN 68861 - 1B - 7B - 8A
MOBELFACTA
Edges sealing:
On customers' request (with spray).
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
Other sizes (length
500-3050 mm, width 100-1250 mm) and long grain panels with the length up
to 2500 mm on customers' request.
Machining, tongue & groove, jointing available in accordance with the
customers' requirements.
Thickness:
6.5, 9, 12, 15, 18, 21, 24, 27, 30 mm.
Tolerance:
Size and right angle tolerance meets the
standard EN 315 requirements.
Nominal thickness,
mm |
6,5 |
9 |
12 |
15 |
18 |
21 |
24 |
27 |
30 |
| Number of plies |
5 |
7 |
9 |
11 |
13 |
15 |
17 |
19 |
21 |
Average actual
thickness, mm |
6,4 |
9,2 |
12,0 |
14,9 |
17,7 |
20,5 |
23,4 |
26,5 |
29,4 |
| Lower limit, mm |
6,1 |
8,8 |
11,5 |
14,3 |
17,1 |
20,0 |
22,9 |
25,8 |
28,7 |
| Upper limit, mm |
6,9 |
9,5 |
12,5 |
15,3 |
18,1 |
20,9 |
23,7 |
26,8 |
29,9 |
| Parameter |
Tolerance |
Length,
width, (mm)
<1000
1000…2000
>2000 |
± 1 mm
± 2 mm
± 3 mm |
| Right
angle |
± 0,1 % |
| Edge
straightness |
± 0,1 % |
Back to Phenolic Coated Birch
Plywoods
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