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Physical Properties

 

 
 
 
No Test GRC - GFRC
1 Compressive Strength fc: 40-65 N / mm²
2 Tensile Strength fct: 5-12 N / mm²
3 Modulus of Rupture  LOP: 7-9 N / mm²
4 Flexual Strength MOR: 15-25 N / mm²
5 Expantion Limit eu: 0,5-4 %
6 Modulus of elasticity  E: 10-15 kN / mm²
7 Density  1,8 - 2 kg / dm³
8 Coefficient of Expansion T: 1.0 - 15 X 10-5
9 Heat conductivity 0,8 - 1,2 W / mk
10 Fire Resistance (DIN 4102) A1
11 Rotr Value Є cs : 1.0 – 2.0 mm / m
12  Water Absorbtion 3-15 %
13 Vapour Difision µ : 50 - 200
 

For GFRC elements AR (Alkali Resistant) glass Fiber must be used for production otherwise,material looses its strenght-providing ability. (E Type Cam Fibers are not resistant to alkali environment,for this reason E glass fibres dissolves and disappears in a short time period and it looses its tensile strength imporovment function. Normal Glass fiber reinforced and non-reinforced precast elements start to break, crack and break onut in a time period.

 

AR Type Glass Fiber

E Type Glass Fiber