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OC s.r.l. Cleanroom solutions since 1970 (Phone +39 0773 840032 – Fax +39 0773 854057)

Hpl Sandwich Panel

The panel is constructed with HPL bilaminate with a thickness of 4 mm.

Thanks to its low particle release, resistance to impacts and its durability it has a wide range of applications beside purely clean areas.

As the PMM panel does not need any covering it is a good solution to keep time and installation costs down.

The HPL boards are mounted on an extruded aluminium internal frame. The total thickness of the panel is 60 mm and the core infill can be polystyrene (PMM-P), aluminium honeycomb (PMM-H) or rockwool (PMM-R).

The panel is available in the standard dimensions 3076x1226x60 mm or can be produced according to the Client’s requirements.

The panel is designed to host preparations for electrical conduits and/or boxes for electrical devices, ventilation grilles and vision panels where required.

The complete range of panels & components give an exceptional mechanical resistance, total monolithicity of the module and significant thermal and acoustic insulation.

The patented fixing system with the CH 60 locking keys allows the removal of a single panel insitu without affecting the others. Simply removing the silicon joint seal between the junctions and then sliding the locking key along the groove the panel can be removed and an alternative installed. Installation and maintenance times will thus be noticeably shortened and area downtime limited to a minimum.

Technical Specifications


HPL Modular Partition




HPL bilaminate– thickness 4mm

Skin Specification

Reaction to fire class F1 approved, self-supporting properties, excellent performance to fire, smoke and gases, environmentally friendly, mechanically sturdy, high resistance to water and steam, easy to clean, excellent hygienic properties, wide range of colors and designs, dimensional stability and flatness, anti-static, high resistance t chemicals and organic solvents, suitable for contact with food-stuff

Core Infill

Aluminium honeycomb alloy 3003, Ø 19 – 58 mm thick, FTP Code: IMO MSC 61(67), IMO A.799(19) Polystyrene, Euroclass E – UNI EN 13163 Rock wool, Euroclass A1

Standard Dimensions

List of dimensions for PMM :

  • 3076x1226x60mm

Internal Frame

  • Aluminium alloy 6060 tubular frame UNI 573-3:2005

Reaction to fire

B-s1, d0 in accordance with clause 10 of standard EN 13501-1:2007

Environmental Class

Check the environmental class for this product

Vision panel system

  • double 6/7 safety glass with internal spacer in shiny AISI 304 stainless steel flush vision panel standard dimensions 100x900x63mm.
  • Safety glass 6/7 SGG ®Stadip – UNI EN ISO 12534 UNI EN ISO 14449


List of Accessories for PMM :

  • signal light housing
  • conduit for electric feeder lines inside the panels
  • series 503 container or reserve box
  • interlocked socket
  • aeration grills
  • PHILIPS interphone housing
  • badge reader housing
  • fire button and lights housing
  • stainless steel container for IBLE clock
  • stainless steel container for ESA operator terminal housing