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Technical data for GFRP profiles

Chemical and water resistance of structural profiles
The Chemical and Water Resistance Table below shows resistance performance for three qualities of Fiberline profile in different chemical environments. The values indicate the highest known operational temperatures in °C at which the profiles have displayed good service life in the specific chemical environments. The results have been obtained from either industrial experience or from laboratory tests (ASTM C581) carried out by Fiberline suppliers. Resistance to chemicals and water is dependent on concentration and temperature.

It is possible to use gratings, planks and structural supports in chemical environments specified as NR (Not Recommended) or at higher temperatures than stated, provided the chemical influence is not permanent or concentrated but short-term or weak (such as from fumes or spillage). In contrast to metals, Fiberline structural profiles are not subject to electrolytic corrosion.

Please note that the values stated for chemical resistance are based on profiles with surface veils and with all machined surfaces sealed. All data in the table are supplied in good faith and Fiberline accepts no liability for its accuracy. Fiberline reserves the right to make changes without prior notice.

Chemical	Concentration	Chemical formula	Isopolyester	Isopolyester with fire retardant	Vinylester
Alcohol, ethyl	95	C₂H₅OH	30°C	30°C	40°C
Ammonium hydroxide	5	NH₄OH	NR	NR	75°C
Iron (III) chloride	All	FeCl₃	50°C	50°C	95°C
Sodium hydroxide (2)	10	NaOH	NR	NR	45°C
Sodium hypochlorite (1)	5	NaOCl	NR	NR	45°C
Sodium chloride	All	NaCl	40°C	40°C	95°C
Nitric acid	5	HNO₃	NR	NR	35°C
Hydrochloric acid	10	HCl	40°C	40°C	90°C
Toluene	100	C₇H₈	NR	NR	30°C
Water	100	H₂O	40°C	40°C	30°C

NR: NOT RECOMMENDED
(1) Contact Fiberline for specific recommendations The information in the table is supplied in good faith and should not be taken as a definitive statement of the chemical resistance of the various profile qualities. Any combination of chemicals or combined environmental impact should be discussed with Fiberline or tested prior to commencing use.

Typical electrical properties for Fiberline GRP profiles, of dry condition
The table indicates general electrical properties valid for Fiberline GRP profiles (dry condition). Values of specific profiles vary.

Electrical properties	0^o	90^o	O	Unit	Norm
Specific resistance			10¹⁰-10¹⁴	Ω cm	VDE 0303/30-93
Surface resistance			10¹⁰-10¹³	Ω	VDE 0303/30-93
Disruptive voltage	20-40	10-40		kV/3 mm	VDE 0303/2-74
Dielectric constant			0,03		DIN 53483-69
Dielectric dissipation factor			<5		DIN 53483-69
Tracking current resistance			KA: 3c KB:500 KC:600		DIN 53480-76

0° Parallel with the longitudinal fibres of the profile.

90° Perpendicular to the longitudinal fibres of the profile.
O Direction independent.
A special polyester is used for temperatures of 150º to 180º C.

No sparks
Because it contains no metal, the material prevents sparks – an extremely important property when used in proximity to gasses and flammable liquids.

Electromagnetic transparency
Electromagnetic transparency is an important property that is utilized in numerous ways to avoid reflection of electromagnetic waves.

Load tables
Load tables - U-profiles
Load tables - I-profiles
Load tables - Angle profiles
Load tables - Square tubes

Data sheet
Data Sheet - profiles
Data Sheet - coating
Data sheet - mechanical properties

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