IRW ELECTRO SAFE brand ISI marked Electrical Insulating Mats Conforming to IS: 15652-2006 Category III, tested by CPRI, ERDA, NTH, DGS&D etc. Color :- Black SIZE Width = 1.0 MTR Length = 2.0 MTR Class: A For 3.3 KV 2.0 mm Thick Class: B For 11.0 KV 2.50 mm Thick Class: C For 33.0 KV 3.0 mm Thick

1. CML No. 9385793 IRW Indian Rubbers (IRW Electro safe Mat)
Chennai-TN-INDIA
TEST REPORT OF INSULATING MAT FOR ELECTRICAL PURPOSES
IS: 15652:2006
PARTICULAR OF SAMPLE
NATURE OF SAMPLE – Insulating Mats for Electrical purposes
DECLARED VALUE - Working voltage - 36 KV BD 66 kv
Thickness – 3 mm
MFG. DATE- 15/02/2015 DATE OF TESTING-16/02/2015
PHYSICAL REQUIRMENT AT VISUAL EXAMINATION :
PARTICULARS SPECIFIED REQUIRMENTS
RESULT
1. Colour
2.Material
and
Manufacture
3. Lower
surface
of mat
4. upper
surface of
mat
5.Workmanship
and finish
Colour shall be as agreed to
between the purchaser & the
supplier. However no colour with
metallic derivatives shall be
used. The mats shall be made of
the elastomer; free insertion’s
leading to deteriorattion of
insulation properties
Lower surface shall be plane or
could be finished slip resistant
with out affecting adversely the
di-electrical properties of mat.
Upper surface shall be smooth or
as per client aberration.
(Rough surface without edge)
The meterial shall be free from
blister, pinholes cracks.
Black
Elastomer free
from any insertion
leading to
deterioration
properties.
Slip resistant
Rough surface
without edge.
Satisfactory
DIAMENSIONAL PROPERTIES
1. Length 2.0 mtr ± 20 mm 2.01 mtr
2. Width 1 mtr ± 20 mm 1.01 mtr
3.Thickness 3 mm ± 10 % 2.55,2.52,2.55,2.58
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2.52,2.55 mm

2. PHYSICAL PROPERTIES:
PARTICULARS OF TEST REQUIRED VALUE RESULT
1.TENSILE STRENGTH AT -10 TO 55ºC
TENSILE STRENGTH 15 N/mm
2
17.5,17.8 N/mm
2
min. min.
% ELONGATION AT BREAK 350% Min. 445,455 %
Q ACCELERATED AGEING TEST@ 70
0
+1
0
C FOR 168 Hrs.
2a. % CHANGE IN TENSIL STRENGTH FROM
-12.8,-13.0%ITS CORRESPONDING VALUE -25%
2b. % CHANGE IN ELONGATION AT BREAK
-10.5,-12.0%FROM ITS CORRESPONDING VALUE -25%
3. Alkalies & oil resistance test @ room temp. for 48 hrs. In 30% of
concentrated NaoH, HSD & Transformer oil.
3a. % CHANGE IN TENSILE
-20 % -13.5,-14.2%STRENGTH FROM ITS
CORRESPONDING VALUE
3b. % CHANGE IN ELONGATION
-20 % -15.6,-16.5%AT BREAK FROM ITS
CORRESPONDING VALUE
There are no tear, break or4. LOW temp. Resistance @
-10 ± 3ºc for 1 hrs. the cracks show of the end
passedof the test when 100 N
Force applied on Sample.
Sample also conform ac
5. Extreme low temp. @ -40
proof voltage test
There are no tear, break or
± 3ºc for 24 ± 0.5 hrs. the cracks show of the end
passedof the test when 100 N
Force applied on Sample.
Sample also conform ac
ELECTRICAL PROPERTIES
proof voltage test
Insulation material with1. Insulation resistance
with water water for all classes of
Passedmat shall be min. 100000 m
omh When measured with 5000
2.AC di-electric strength
v megger.
passed45 kv min.
test
10 mA max. 5 mA (passed)3. Leakage current
4.AC Proof voltage Shall with stand 36 kv for
Passed3 minute.
CENTRAL POWER RESEARCH INSTITUTE
Q.C.I.
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CPRI