Technical Specifications / Technische Spezifikationen

GENERAL DESCRIPTION

Figure 1 - Fiberglass

Figure 2 - Resin Mix

MESH STRUCTURES: THICKNESS (mm) х Mesh Size (mm х mm)

Mini-mesh Grating (19x19) has a 12mm x 12mm open mesh area. The smaller opening prevents objects as small as 13mm from falling through and complies with the European 15mm ball failing test requirement. The smaller holes also offer smooth movement for small wheeled trolleys, wheelchairs etc.

SURFACE TYPES

1. Concave Surface - original type of grating surface which has curves inwards during the thermosetting process.

The concave edges received at by this process ensure good anti slip properties.

The concave surface can be applied to any GRP grating mesh or panel size, for any resin system.

Concave grating is more suited to low foot traffic areas and is particularly suitable for hygiene applications where a high standard of slip resistance is needed and ease of cleaning is a consideration.

CONCAVE - Weight, kg/sqm

2. GRITTED / Sanded Surface

Gritted surface is applied to the concave surface together with a resin.

Examples of GRP Gratings with GRITTED / Sanded Surface

3. Solid Panels

Solid panels (covered top) is typically 1,5 mm thick and is bonded to the grating panel after manufacture. This creates a strong but lightweight covered panel. All panels are available with either gritted or smooth surface. 

Ideally suited to service trenches, access pits, gully covers, walkways and cable troughs etc. All types and sizes of gratings are available with covered tops.

Examples of GRP Gratings - Solid Panels

GRP Gratings - Solid Panels

4. Sandvich Panels

Sandwich panels (both sides covered) is typically 3mm thick and is bonded to the grating panel after manufacture. This creates a strong but lightweight covered panel. All panels are available with either gritted or smooth surface.  

5. CONDUCTIVE gritted / sanded surface

GRP Gratings (GRP Plates) with Conductive Surface is formulated with a carbon black surface, eliminating hazardous static electricity when properly grounded.

Available in all resin finishes, NOWENTA Gratings are primarily used in the high-tech electronic industries, munitions and arsenal manufacturing plants and other spark sensitive environments where sophisticated equipment may be damaged due to static electricity.

Conductive gritted GRP Gratings have been developed to drain off the build-up of dangerous static electricity in applications where static electricity present safety concerns.

The conductive gritted surface can be applied to any GRP molded grating, incl. HLU, mesh or panel size, to an resin system.

Examples of GRP Gratings with Conductive Surface

CUTTING & INSTALLATION

Gratings can be cut or molded to our client is specifications. The cut edges are sanded and sealed with resin to ensure corrosion resistance.

1. Tolerance per full panel: +/- 3mm in length and width direction, +/- 1,5mm in thickness direction Warp tolerance: Length: 4,5mm per meter, Width: 2,5mm

2. Tolerance for cutting: Length: +/- 5mm, Width: +/- 5mm, Circle: +/- 2mm

Ways of obtaining the necessary dimensions:

Bi-directional cross-grating structure allows various options for cutting without additional support, treatment. The strengthening of edges is not necessary. When cutting panels for panels with CLOSED MESH should be guided by Closed mesh table.