...::  Test Methods  ::...
No. Test Test Method as per Acceptable value
a. Fibers Glass Content ISO: 1172-1975 Not less than 25%
b. Barcol Hardness the GRP ASTM: D2583-1987 Not less than 26 BIU tested on
Laminated finishing with gelcoat.
c. Tensile strength BS: 4994- 1973 Not less than 58 N/mm2
d. Tensile Modulus ISO: 3269- 1978 Not less than 6800 N/mm2
e. Flexural Strength ISO: 178- 1975 Not less than 110 N/mm2
f. Flexural Modulus ISO: 178- 1975 Not less than 6100 N/mm2
g. Izod Impact ISO: 180- 1982 Not less than 10 J/cm2
h. Water absorption after 7 days of immersion ISO: 62-1980 Not more than 0.5 by weight.

Testing methods for GRP doors as per IS 4020- 1994:

  • Dimensions and defects of square ness tests.
  • General Flatness tests.
  • Local plainness test
  • Impact indentation test
  • Edge Loading test
  • Shock resistance test
  • Buckling test.
  • Slamming test.
  • Screw holding power test.
  • Varying humidity test.
  • End immersion test.

Fimen doors undergo following test:-

  • Impact resistance (Shock resistance):
    By conducting this test, Strength of the Door is checked.
  • Braking Strength:
    Cross braking Strength of the laminate is tested at different points
  • Hardness:
    Hardness of the laminate is tested using barcol impresser.
  • Tensile Strength:
    Tensile strength of laminate is tested at different points.

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