GRP Systems

GRP Construction Profiles

Using a comparatively small range of standard profiles, a wide variety of structures can be realised, including stairways, platforms, gangways and ladders.

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All MEISER GRP profiles are manufactured in accordance with EN 13706, ensuring the highest standards of quality, safety and durability.

As standard, the profiles are manufactured using unsaturated polyester resin reinforced with longitudinal glass fibre rovings and transverse glass fibre mats. An additional thermoplastic surface veil provides a high-quality finish while increasing resistance to environmental influences.

The standard colour is grey, comparable to RAL 7032.

Production is certified in accordance with ISO 9001:2015 and regularly monitored by independent testing institutes to ensure consistently high product quality.

All standard MEISER GRP structural profiles are also approved by the German Federal Railway Authority (EBA) in accordance with DBS 918 010, making them suitable for signal platforms, walkways and stair systems used by Deutsche Bahn.

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Characteristics of construction profiles

Properties	Standard	Unit	Axial	Transversal
Tensile strength	EN ISO 527-4	MPa	240	70-120
Tensile modulus	EN ISO 527-4	MPa	26.000	8.000
Flexural strength	EN ISO 14125	MPa	260	100-120
Flexural modulus	EN ISO 14125	MPa	24.000	9.000
Compressive strength	EN ISO 14126	MPa	250	80-90
Compressive modulus	EN ISO 14126	MPa	20.000	4.500

Impact strength (Charpy)	EN ISO 179-2	kJ/m²	180
Interlaminar shear strength	EN ISO 14130	MPa	70
Density	ISO 1183	g/cm³	1,85
Glass content	ISO 1172	Weight %	60
Barcol hardness	EN 59	°	>35
Volume resistivity	DIN 53482	Ohm/cm	10^10 to 10^15
Surface resistant	ISO 93	Ohm	10^12
Dielectric strength	DIN VDE 303	kV/mm	10^12
Dielectric coefficient	DIN 53438		>5
Coeff. thermal expansion	ISO 11359-2	mm/mmK	12*10^-6
Thermal conductivity	DIN 51936	W/mK	0,35
Specific heat capacity	ISO 11357	kJ/kgK	1,1
Continuous use temperature		°C	-60 to +150
Water absorption	ISO 62	%	0,15
Dimensional stability (Martens)	DIN 53462	°C	200