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Phenolic Coated Birch Plywoods -
Riga Tex

Product
Birch plywood (Riga Ply) overlaid with a phenol film on both the sides. The wear side has a rough wire mesh pattern (W); the reverse side normally is smooth (F), although it can have wire mesh pattern, too (grade W/W). Riga Tex rough wire mesh overlay withstands hard wear and it can be used for many different floor-panelling purposes.

Film colour
Normally dark brown (120g/m2). Other standard colours are light brown (120g/m2), dark brown (220g/m2), green (120g/m2), black (120g/m2). Grey (174 g/m2) and red (220 g/m2) colours on special order.

Applications
Vehicle floors, pedestrian bridges, storage and factory floors, storage shelves, loading platforms, ship decks, pier surfaces. In general - applications where high wear resistance and/or good anti-slip properties are required.

Advantage
The wire mesh surface has high wear resistance and anti-slip properties, surface is weather and waterproof, resists to commonly used chemicals. Environmentally friendly.

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 / 3 rd class;
BS 1203 / H4 (previously WBP);
DIN 68705 Part 3 / type BFU 100.

Formaldehyde emission
In accordance with the standard EN 13986 formaldehyde emission meets the Class E1 requirements. Test method EN 717 Part 2.

Overlaying
The panels are overlaid with a phenol film and have a wire mesh pattern imprinted during hot pressing process. The reverse side overlaid with a similar phenol film, and normally the reverse side is smooth. The unit weight of Riga Tex  plywood film is 120g/m2 or 220g/m2. On special request, panels can be overlaid with multi-layer phenol film and both the sides can have a wire mesh pattern.
Wire mesh pattern can be of different kinds:

Large Mesh (grade WL) - 2.5 mesh per 1cm;
Small Mesh (grade WS) - 4.5 mesh per 1cm.

Overlaying characteristics
The overlaying surface is highly resistant to abrasive wear and it does not crack. It is also resistant to weather and moisture as well as commonly used chemicals. The wire mesh patterned surface provides high anti-slip properties. Riga Tex panels can be machined by using normal woodworking equipment. During machining extra hard cutting tools are recommended.
Abrasion resistance according to the Taber test (EN 438-2): depends on applied film, surface texture*, conditions of product storage and application, thickness of film (see below) a.o.

Small mesh resistance to wear parameters mesh ones.
It is possible to obtain overlaid plywood above 10 000 revolutions.
Company’s specialists will assist you to choose the most appropriate product.

Edges sealing
Edges of the panels are matched with the face against absorption of moisture by using acrylic paint. Other colours are available and the edges may be unsealed at customers' request.

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
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 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
Number of plies 3 5 7 9 11 13 15 17 19 21 25 29
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
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
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 41,2
Parameter Tolerance
Length, width, (mm)
<1000
1000…2000
>2000

± 1 mm
± 2 mm
± 3 mm
Right angle ± 0,1 %
Edge straightness ± 0,1 %