features
Technical data
The laminates made of polyester resin reinforced with fibreglass have the following technical features:
TECHNICAL SPECIFICATION | VALUE | TEST METHOD |
Density | 1,4 kg/dm3 | internal method |
Temperature range | -40°C + 120°C | internal method |
Fire reaction |
Standard GRP (Glassfibre Reinforced Polyester) laminates do not drip. Class (estimated) 4 | |
Light trasmission | Clear translucent 82%, light opal 56%, milky white 35% (1,0 mm thickness) | EN 1013 |
Coefficient thermal conductivity (λ) | 0,22 W/mK | internal method |
Coefficient heat trasmission (U) | 220 W/m2K (1 mm) | λ/d (d= sheet thickness in m) |
Tensile strenght | 5,5 ÷ 6,5 GPa | EN ISO 527-42/2 |
Tensile modulus | 5,5 ÷ 6,5 GPa | EN ISO 527-42/2 |
Coefficient of thermal linear expansion | 3 x 10-5 °C-1 | EN 1013 |
Water vapor permeability | 1,5 x 10-5 mg (m·h·Pa) | EN 1013 |
Flexural rigidity | 500 N/mm | (E*h 3/12 ) 1 mm |
Hardness Barcol | 55 ÷ 60 | EN 59 |
Water absorption | ≤ 1% | internal method |
CE mark in compliance with the European Regulation 305/2011/CE, norm EN1013. System VVCP:4.
Resistant to chemical agents
The fiberglass laminates are not affected by the action of the following acids, in the solutions indicated depending on the concentration and the test temperature ranging from 30 to 50°C:
Acetic acid ==> 5% |
Sulphoric acid ==> 30% |
Hydrochloric acid ==> 10% |
Ethyl alcohol ==> 95% |
Nitric acid ==> 10% |
Benzol ==> 30% |
Dimensional and qualitative tolerances
Refer to the EN 1013 standards