Sr. No. Properties UOM Tolerance IS 18256 : 2023 TSL GFRP Rebar
1
Glass Content
%
±5
≥ 75
≥ 80
1
Tensile Strength
Mpa
min.
700 – 850
1100 – 1200
3
Tranverse Shear Tensile
Mpa
≥ 130
130 – 200 Mpa
4
Tensile Modulus of Elasticity
Mpa
≥ 45000
45000 – 55000
5
Ultimate Tensile Strain
%
≥ 1.1
≥ 1.1
6
Glass Transition Temperature
oC
≥ 100
101-115
7
Moisture Absorption (short hrs.)
%
min.
≥ 0.25
≥ 0.25
8
Moisture Absorption (Iong term)
%
min.
≥ 1
≥ 1
9
Alkaline Resistance
Mpa
≥ 80 % of mean
ultimate tensile force
of pristine bars
≥ 80 % of mean
ultimate tensile force
of pristine bars
10
Bond Strength
Mpa
≥ 7.6
8-15