RIGA POLIFORM

Product
Birch plywood (Riga Ply) overlaid with a special composite material on both sides.

Application
Formwork systems.

Advantages
This product produces a better visual appearance to the concrete whilst protecting the plywood substrate.
The expected life, depending upon the construction and application, may amount to 100 uses.
The thickness of the composite face material helps to protect the plywood against swelling.
The composite material is ecologically safe and recyclable.

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.

Overlay
Composite material is made of wood fibres and polypropylene. Overlay is glued with D3 or D4 class glues according to the standard EN 204 requirements. Thickness of the overlay is 1.6 mm.
Standard colour is grey. The surface is glossy or mat.
This material has high resistance to damages and resists surface defects occurring. Releases well and maintains its performance over longer periods with good nail-holding property.
Moisture absorption is less than 1.8%, giving minimal weather disruption .
Average - good resistance to ultraviolet rays.
Application temperature range is from - 40 ^oC to 80 ^oC.

Standard sizes

1220 mm x 2440 mm
1250 mm x 2500 mm
1525 mm x 3050 mm

Cut to size panels are available in accordance with customer's requirements.

Standard thickness

15, 18, 21 mm.

Tolerance

Size and right angle tolerance.

Plywood is manufactured by Latvijas Finieris AS whose Quality Management System is certified to the requirements of ISO 9001 by Bureau Veritas Quality International.