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Phenolic Coated Birch Plywoods -
Riga Rhomb

Product
Birch plywood (Riga Ply) overlaid with phenol film on both sides. Face side is with special surface pattern (WT). The reverse is smooth (F).

Application
In transport industry for floors and walls, storage and factory floors, storage shelves, loading platforms, pier surfaces, and scaffoldings. In general – surfaces where high wear resistance and anti-slip properties are required.

Further processing
Plywood can be machined with wood working tools: cutting, drilling, milling, jointing in length, tongue and groove (T&G), half laps, profiled edges etc.

Advantages
Surface with high wear resistance, good anti- slip properties, good visual appearance (decorative surface), water proof, resists commonly used chemicals and easy to clean.
User and environmentally friendly, hygienic.

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.

Surface pattern
The panels are overlaid with a phenol film and have a special pattern imprinted during hot pressing process.
Anti-slip class in accordance with DIN 51130 R10.
There are two fundamentally different surface patterns of wear resistance.

Type of overlay Taber test results, revolutions Rolling test results, revolutions
Riga Rhomb
grey
dark brown
 
900 at least
600 at least

10 000 at least

Riga Rhomb Heavy
dark brown
 
8 000 at least

Edge sealing
Edges of the panels are sealed with acrylic paint.

Sizes:
         
1220 mm x 2440 / 3050 mm
          1250 mm x 2500 / 3000 mm
          1500 mm x 2500 / 3000 mm
          1525 mm x 2440 / 3050 mm
Cut to size panels and machining available in accordance with customers’ requirements.

Thickness:
           6.5, 9, 12, 15, 18, 21, 24, 27, 30, 35 mm.

Tolerance:
Size and right angle tolerance meet the standard EN 315 requirements. 

Nominal thickness, mm 6.5 9 12 15 18 21 24 27 30 35
Number of plies 5 7 9 11 13 15 17 19 21 25
Average actual thickness, mm 6.4 9.2 12.0 14.9 17.7 20.5 23.4 26.5 29.4 35.0
Lower limit, mm 6.1 8.8 11.5 14.3 17.1 20.0 22.9 25.8 28.7 33.6
Upper limit, mm 6.9 9.5 12.5 15.3 18.1 20.9 23.7 26.8 29.9 35.4
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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