Chinese Professional Concrete Forming Systems - Big Size Film Faced Plywood – Sampmax

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Chinese Professional Concrete Forming Systems - Big Size Film Faced Plywood – Sampmax Detail:

Features
Size: 1250*2500
Thickness: 12mm 15mm 18mm
Core Veneer: Poplar Core, Eucalyptus Core, Combined
Face & Back: Phenolic Black Film, Phenolic Brown Film, Dynea Film
Glue: WBP/WBP Melamine/MR

Baseboard
Sampmax Construction Eucalyptus plywood made solely from eucalyptus veneers bonded together in a cross-banded construction.

Bonding
Phenolic resin cross-bonded weather-resistant gluing according to EN 314-2/class 3 exterior, EN636-3.

Surface
Sampmax FFP coating weight is 240g/m2 on both sides.
Face and reverse: Brown phenolic film combination (abt. RAL 8017).
Edge sealing: Water-resistant paint.

Thicknesses and weight

Nominal thickness (mm)	Min. thickness (mm)	Max. thickness (mm)	Weight (kg/m2)
15	11	14.5	15.2
18	13	17.5	18.5
21	15	20.5	21.5

Panel size
2400/2440/2500 x 1200/1220/1250 mm

Size limits
Size tolerances: < 1000 mm ± 1 mm
1000-2000 mm ± 2 mm
> 2000 mm ± 3 mm

Other information
The panel can have dimensional changes due to changes in air humidity.

Sampmax-construction-wall-formwork-plywood

End uses

Usage mainly for slab forms.

The typical number of reuses is likely to be about 6-10 times.

However, the number of reuses will depend on a wide range of factors including good site practice, the required concrete finish, careful handling & storage of forms, and the type and quality of release agent.

Data

Properties of Sampmax Poplar.

Property	EN	Unit	Standard value	Value of test
Moisture content	EN322	%	6 -14	8.60
Number of plies	-	Ply	-	5-13
Density	EN322	KG/M3	-	550
Bonding Quality	EN314-2/class3	Mpa	≥0.70	Max: 1.85 Min: 1.02
Longitudinal Modulus of elasticity	EN310	Mpa	≥6000	7265
Lateral Modulus of elasticity	EN310	Mpa	≥4500	5105
Longitudinal Strength Bending N/mm2	EN310	Mpa	≥45	63.5
Lateral Strength Bending N/mm2	EN310	Mpa	≥30	50.6

Recommendations for use

Cover the panels to protect them from direct sunshine and rain.

Seal the cut edges and machining made at site with paint suitable for exterior use.

Use good quality form oil.

Seal screw holes with silicone to prevent moisture absorption.

Clean the panels carefully after every use.

Handle panels with care to get maximum reuses possible.

QC of Plywood

Sampmax Construction attaches great importance to the maintenance of product quality. Each piece of plywood is supervised by specialized personnel from the selection of raw materials, the specifications of glue, the layout of the core board, the high-pressure laminating veneers, the laminating process, including the selection of the finished product. Before large packaging and loading cabinets, our inspectors will check every piece of plywood to ensure that all products and processes are 100% qualified.

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