The document provides information about silicone conductor cover sleeves made by Centroid Polymer Technologies. The sleeves provide high quality electrical insulation for substation leads and jumpers. They are made from a non-tracking silicone material suitable for medium voltage outdoor environments. The sleeves have excellent mechanical properties, insulation properties, and resistance to aging, corrosion, high temperatures, and radiation. They are available in various voltage ratings and thicknesses.

1. Making chemistry to work
Technical Data Sheet
Silicone Conductor
Cover Sleeve

2. Centroid Polymer Technologies Silicone Conductor Cover Sleeve provide high quality electrical
insula on for substa on leads and jumpers. These covers are made from a non-tracking silicone material
that is suitable for medium voltage outdoor environments. Use silicone rubber material, an -aging,
corrosion resistance, with good resistance to corona resistance, high temperature performance,
especially suitable for the protec on of the bare wire. Widely used in substa on protec on works and
railwaycatenarysystem,asignificanteffectinthecross-lines.
PROPERTIES
Ÿ CommonName:Silicone
ASTMD-2000Classifica on:FC,FE,GE
ChemicalDefini on:Polysiloxane
Ÿ TemperatureRange
LowTemperatureUsage:-60°to-150°F|-50°Cto-100°C
HighTemperatureUsage:Upto480°F|Upto250°C
Ÿ TensileStrength
TensileRange:200-1500P.S.I.
Elonga on:700%Maximum
Excellentmechanicalproper es(hightearstrength,highelonga on)
Ÿ Addi onalProper es
AgingWeather-Sunlight:Excellent
Ÿ AdhesiontoMetals:Good
Durometer(Hardness)Range:30-90ShoreA
CompressionSet:Good
Resilience/Rebound:Good
Ÿ Repelswater&forms ghtseals
Ÿ Flame retardant, will not ignite easily. Some products received UL94 V-0 cer fica on according to the
UL94(USA)standardsforflammabilityclassifica on.
Ÿ Goodexcellentinsula onproper es
Ÿ Excellentresistancetoa ackbyoxygen,ozoneandsunlight
Ÿ Readilyresistanttoelectromagne candpar cleradia on(UV,alpha,betaandgammaray)
Silicone Conductor Cover Sleeves
www.centroidpolymer.com

3. STRUCTURE
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4. SR.NO
1
2
3
4
5
5.1
Proper es
Electrical Strength
Test
Volume Resis vity
Dielectric Constant
Shore Hardness
Mechanical
Proper es
Before heat ageing
Tensile Strength
Unit
kV/mm
Ω·cm
A
Mpa
Standard
Data
≥20
14
≥1×10
2～3
70±5
≥4.0
Test
Results
22
14
2×10
2.3
71
5.5
Elonga on at break
TECHNICAL DATA
A er Heat ageing
(180℃, 7d)
Tensile Strength Change
Elonga on Change
Low Temperature
Elonga on(-15℃, 2h)
Low Temperature
Flexibility(-50℃, 4h)
High Temperature Crack
Resistance(155 , 2h)
%
%
%
%
-
-
≥200
±30
±30
≥20
No cracks
No cracks
No cracks
No cracks
243
13
-22
190
5.2
6
7
8
Voltage(KV)
Thickness
≤10KV
2.0±0.3
mm
2.6±0.4
mm
4.0±0.5
mm
6.0±1.0
mm
≤35KV ≤110KV ≤220KV
VOLTAGE RATINGS
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5. PRODUCTFEATURES
Ÿ SiliconeRubber
Ÿ ExcellentUVresistance
Ÿ Excellentarcresistance
Ÿ Excellentozoneresistance
Ÿ Gooddielectricstrength
Ÿ Goodcoldweatherinstalla on
Ÿ Goodconformability
Ÿ MunselGrey(skyblue)color,Brickred,Widecolourspectrum
Ÿ Voltageclass:10KV,35KV,110KV,220KV
Ÿ LongitudinalBiasCut
Ÿ Increasedcreepagedistance
Ÿ Easyfieldinstalla on
Ÿ Simple,quick,toolfreeandwraparoundinstalla on
Ÿ Servicelife20+years
www.centroidpolymer.com

6. Head Office:
Centroid Polymer Technologies
KINFRA Integrated Industrial & Textile Park
Plot no. P32(4),P32(5),
0491 2971972/73, +91 9946231123
www.centroidpolymer.com
info@centroidpolymer.com
Kanjikode - 678621,
Palakkad, Kerala, India