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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

0o

 90o 

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.

Data sheets
Data Sheet for profiles - incl. load tables
Data Sheet - coating
Data sheet - mechanical properties

 

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