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1. 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.



2. 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/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.

Electromagnetic transparency

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

No sparks

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

3. Load tables

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

 

4. Data sheet

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