1 |
6.1 |
Workmanship |
IS 14611-2016 |
– |
The tarpaulins covers shall be uniform in colour texture and finish and shall be substantially free from pin hole and particles of foreign matter. There shall be no other visible defects, such as holes tears or blisters. The edges shall be free from nicks & cuts visible to unaided eye. |
Satisfactory |
2 |
6.3 |
Accelerated Ageing tes |
IS 7016 (Pt.-8) 1975 |
– |
The sample shall show no apparent deterioration like softening, stiffening, tackiness, brittleness discoloration and degradation of physical properties. |
The sample show no apparent deterioration like softening, stiffening, tackiness, brittleness discoloration and degradation of physical properties. |
3 |
6.8
Table-1 |
Tensile Strength
(Before Ageing)
a) Longitudinal Direction
b) Transverse Direction |
IS: 13360 (Pt.-5/ Sec-1) |
Kg/cm2 |
Min. 250
Min. 200 |
478
324 |
Elongation at break
(Before Ageing)
a) Longitudinal Direction
b) Transverse Direction |
% |
Min. 400
Min. 300 |
768
654 |
4 |
6.8
Table-1 |
Tensile Strength
(After Ageing)
(At 70 10 C for 168 hrs)
a) Longitudinal Direction
b) Transverse Direction |
IS: 13360 (Pt.-5/ Sec-3) |
Kg/cm2 |
(Max.) 30% decrease from the original |
394 (17.57%)
267 (17.59%) |
5 |
6.8
Table-1 |
Tear Strength
(Before Ageing)
a) Longitudinal Direction
b) Transverse Direction |
IS: 14611-2016 Annexure-F |
gf |
Min. 2080
Min. 1600 |
3904
1856 |
6 |
6.8
Table-1 |
Tear Strength
(After Ageing)
a) Longitudinal Direction
b) Transverse Direction |
IS: 14611-2016 |
|
(Max.) 30% decrease from the original |
2880 (26.23%)
1472 (20.69%) |
7 |
6.8
Table-1 |
Tear Strength
(After 192 hrs UV exposure)
a) Longitudinal Direction
b) Transverse Direction |
IS: 13360 (Pt.-5/Sec-1) & IS: 13360 (Pt.-5/Sec-3) |
Kg/cm2 |
Should be Min. 50% of original value |
304 (63.60%)
238 (73.46%) |
Elongation at break
(Before Ageing)
a) Longitudinal Direction
b) Transverse Direction |
% |
570 (74.22%)
444 (67.89%) |
8 |
6.4 |
Water Proofness Test |
IS: 7016 (Pt.-4) |
– |
Shall not allow water to percolate through or become wet on its outer surface |
Sample does not allow water topercolate through become wet on its outer surface |