Technical Data Sheet for Marineply Products

Technical Data and Specifications

Specification of BS1088
British Standard BS1088:1966 is currently under review and may ultimately be replaced by a "guarantee" policy. However as a manufacturing standard it will continue to be used for the foreseeable future.
The standard applies to plywood made from untreated tropical hardwood veneers having a suitable level of resistance to fungal attack, with a bond of WBP glue quality between the plies.
Bonding
Phenolic formaldehyde WBP to BS EN 314-2 class 3.Stag marine plywood can be obtained Lloyds Type Approved to British Standard BS6566 part 8 (now withdrawn and superceded by BS EN 315)
Species
Faces and cores are produced from Okoume/Gaboon (Aucoume klaineana), which is classed as non-durable.
Veneers may be rotary or sliced cut. The method of cutting is at the option of the manufacturer unless otherwise specified.
Face veneers shall present a solid surface, free from open defects. They shall be free from knots, other than pin knots, of which there shall be no more than 6 in any area 30 cm square, and not more than an average of 2 per 30 cm square.
Veneers showing compression failure shall be excluded. Occasional discoloration is permissible.
Tolerances
Thickness tolerance - 4mm +.02/-0.6, 6mm +.04/-0.65, 9mm +.06/-0.75, 12mm +.09/-0.82
15mm +.1/-0.9, 18mm +.12/-0.98, 25mm +1.8/-1.16.
Multiply Construction applies to boards thicker than 4.8mm - each face veneer shall be a minimum of 1.3mm and not thicker than 3.8mm with a core not exceeding 4.8mm.
Quality
Boards will be sanded on both sides evenly, face veneer thickness shall not be less than 1/8" of the total thickness of veneers. Moisture content at the time of leaving the factory shall be between 6 and 14%.
Conclusion
Stag marine products meet the highest specifications available, the above details are only a precise of the rigourous applied to meet BS1088 and subsequent BS EN standards. A full transcript of the standards is available from good stationers.

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