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RUBBER TECHNICAL :

Measurement of Rubber Products | Information About Rubber | Chemical Properties | Storage of Rubber Product | Value of Rubber | Definitions of Rubber Terminology | Insulation Properties | Spot test of Rubber Sheet
   

INSULATION PROPERTIES 

Jacket Materials Comparisons Chart

 

PVC

PE

XLPE

Oil Base

Butyl

EP

Flexibility

F

P

P

E

E

E

Corona resistance

E

P

P

P

G

E

Ozone resistance

E

E

E

P

F

E

Heat resistance at operating temperature

G

G

E

F

G

E

Heat resistance at 130°C

P

P

G

P

F

E

Physical properties at high temperature

P

P

F

P

P

G

Electrical stability

G

E

E

P

E

E

Impulse strength

-

E

G

G

G

G

AC dielectric strength

E

E

E

G

G

E

E = Excellent G = Good F = Fair P = Poor

Insulation Materials Comparison Chart

  Neoprene Jacket Hypalon Jacket CPE

Physical properties

 E E E

Aging characteristics

 G E E

Flame resistance

 G E E

Electrical properties

 F G G

Moisture resistance

 F E E

Oil resistance

 E E G

Chemical resistance

 G G G

Low temperature properties

 G G F

Ozone resistance

 P E E

Radiation resistance

 G E E

Colorability

 F G G

Chlorine content

 G G G

Heat deformations

 E E G

Pulling tensions

 F G E

E = Excellent G = Good F = Fair P = Poor

Comparative Properties of Insulations: Plastic

Polyethylene

Cellular

High-Density

Low-Density

Nylon

Polypropylene

Polyurethane

PVC

TeflonŽ

Acid Resistance

G to E

G to E

G to E

P to F

E

F

G to E

E

Abrasion Resistance

G

E

F to G

E

F to G

O

F to G

G to E

Alcohol Resistance

E

E

E

P

E

P

G

E

Alkali Resistance

G to E

G to E

G to E

E

E

F

G

E

Benzol (Aromatic Hydrocarbons) Resistance

P

P

P

G

P to F

P

P to F

E

Degreaser Solvents (Halogenated Hydrocarbons)

P

P

P

G

P

P

P to F

E

Electrical Properties

E

E

E

F

E

P to F

F to G

E

Flame Resistance

P

P

P

P

P

P

E

O

Gasoline Kerosene (Aliphatic Hydrocarbons) Resistance

P to F

P to F

P to F

G

P to F

F

P

E

Heat Resistance

G to E

E

G

E

E

G

G to E

O

Low Temperature Flexibility

E

E

G to E

G

P

G

P to G

O

Nuclear Radiation Resistance

G

G

G

F to F

F

G

P to G

O

Oil Resistance

G to E

G to E

G to E

E

E

E

P

O

Oxidation Resistance

E

E

E

E

E

E

E

O

Ozone Resistance

E

E

E

E

E

E

E

E

Water Resistance

E

E

E

P to F

E

P

E

E

Weather - Sun Resistance

E

E

E

E

E

F to G

G to E

O

P = Poor F = Fair G = Good E = Excellent O = Outstanding

Above ratings are based on average performance of compounds. Any specific property can often be improved by the use of selection compounding.

TeflonŽ is a registered trademark of DuPont 9376703400   9376403400

  Comparative Properties of Insulations: Rubber

EPDM*

Hypalon**

Natural

NBR+

Neoprene

Polytadiene

SBR++

Silicone

Synthetic Natural

Acid Resistance

G to E

E

F to G

G

G

F to G

F to G

F to G

F to G

Abrasion Resistance

G

G

E

G to E

G to E

E

G to E

F

E

Alcohol Resistance

P

G

G

E

F

F to G

F

G

G

Alkali Resistance

             

G to E

E

F to G

F to G

G

F to G

F to G

F to G

F to G

Benzol (Aromatic Hydrocarbons) Resistance

F

F

P

G

P to F

P

P

P

P

Degreaser Solvents (Halogenated Hydrocarbons)

       

P

P to F

P

P

P

P

P

P to G

P

Electrical Properties

E

G

E

P

F

P

P

O

E

Flame Resistance

P

G

P

P

G

P

P

F to G

P

Gasoline - Kerosene (Aliphatic Hydrocarbons) Resistance

P

F

P

E

G

P

P

P to F

P

Heat Resistance

E

E

F

G

G

F

F to G

O

F

Low Temperature flexibility

G to E

F

G

F

F to G

E

F to G

O

E

Nuclear Radiation Resistance

G

G

F to G

F to G

F to G

P

F to G

E

F to G

Oil Resistance

F

G

P

G to E

G

P

P

F to G

P

Oxidation Resistance

G

E

F

F

G

G

F

E

G

Ozone Resistance

E

E

P

P

G

P

P

O

P

Water Resistance

G to E

G to E

G to E

G to E

G

E

G to E

G to E

E

Weather-Sun Resistance

E

E

F

F to G

G

F

F

O

F

P = Poor F = Fair G = Good E = Excellent O = Outstanding

Above ratings are based on average performance of compounds. Any specific property can often be improved by the use of selection compounding.

* Ethylene Propylene Diene Monomer

** Chlorosulphonated Polyethylene

+ Nitrite or Butadiene Acryloritrite

++ Styrene-Butadiene