112
A. K. Samanta et al.
Table 3 LOI values of differently fire retardant treated jute fabric after **Soap washing done under
ISO-II method
Formulation
Code
Treatment
LOI-value before
soap washing
LOI* –value after Soap Washing**
1st wash
3rd wash 5th wash
J-U-AS
(Formulation 1e)
Urea—12.5 %,
Ammonium
Sulfamate – 15 %
+ Magnesium
Chloride as
catalyst (1/5th of
AS)
38
35
33
31
J-U-SA
(Formulation 2f)
Urea –15 %,
Sulfamic Acid
– 15 % +
Magnesium
Chloride as
catalyst (1/5th of
SA)
33
30
28
26
J-S-CWF
(Formulation 3b)
Saraflam CWF
15 % +
Magnesium
Chloride as
catalyst (1/5th of
Saraflam-CFW)
33
31
30
29
J-S-CWF
(Formulation 3d)
Saraflam CWF
30 % +
Magnesium
Chloride as
catalyst (1/5th of
Saraflam-CFW)
38
36
34
32
J-UAS-A-C
(Formulation 4)
Urea (12.5 %)
and Ammonium
Sulfamate (15
%), Arkofix
NEC Plus
(50gpl) and
Ceralubu HD
(30gpl) and
Magnesium
Chloride as
catalyst (1/5 th of
AS)
38
37
36
36
* LOI values shown in Table 3 are not absolute data, but are averages of three sets of data with
variation Of ± 2.0 to ± 2.5, Having Average Values as Shown. ** Soap Washing Was Done as Per
IS-II Method