Stress-grades range from F7 to F34. Stress grades F11, F14, F17, F22 and F27 are the mostcommon.AS 6669 specifies four (4) surface qualities Class 2, Class 3, Class 4 and Class 5. Thesesurface qualities are aligned with AS 3610.The most common surface classes from AS 6669 for formply manufactured in Australasiaare: Class 2Class 3Good 1 side – Class 2 one …

Formply is usually sold on the basis of surface class, stress-grade and bond quality. Forexample “Class 2 F17 A Bond”.This indicates that the formwork plywood is intended to provide a Class 2 surface finish,has a stress-grade of F17 and has a Type A bond.AS 6669 permits three (3) bond types as follows: A Bond – Durable for 50 years weather …

Formply is manufactured from wood veneers glued with synthetic adhesives and overlayedwith “phenolic impregnated papers”, also called phenolic surface films. The phenolicsurface film is often referred as “plastic face”.The Australian Standard for formply is AS 6669 “Plywood Formwork”. This standardspecifies requirements for: Quality of the outer surface i.e. Class 2, Class 3 etc.Bond quality and durabilityThickness, length, widthFlatness at the …