Propriedades dos polimeros

Natural
Rubber

Polyisoprene

SBR

Nitrile

Neoprene

EPDM
Rubber

Epichlorohydrin
Rubber

Silicone

Fluoroelastomer

AA

AA

AA

BF, BG, BK,
CH

BC, BE

CA

CH

GE

HK

Tensile Strength, (PSI)

1000-5000

1000-3500

1000-2500

1000-2000

1000-3000

1000-5000

1000-2500

500-1400

1000-2000

Elongation %
Hardness Range
(Durometer Shore A)
Specific Gravity (Base
Material)

300-700

300-700

150-450

150-450

200-500

200-700

100-350

90-600

100-200

40-90

40-90

40-90

40-90

40-95

40-90

40-90

40-85

55-95

0.93

0.93

0.94

1.00

1.23

0.86

1.27

1.15

1.85

Adhesion to Metals

Excellent

Excellent

Excellent

Excellent

Excellent

Good To Excellent

Fair To Good

Excellent

Fair To Good

Adhesion to Fabrics

Excellent

Excellent

Good

Good

Excellent

Good

Fair To Good

Excellent

Good To Excellent

Tear Resistance

Good To Very
Good

Good To Very Good

Fair

Fair

Good

Fair To Good

Fair To Good

Poor

Fair

Abrasion Resistance

Excellent

Excellent

Good To
Excellent

Good

Excellent

Good To Excellent

Fair To Good

Poor

Good

Compression Set

Good

Good

Good

Good

Fair To Good

Good

Poor

Fair

Fair To Good

Dielectric Strength

Excellent

Excellent

Poor

Good

Excellent

Good

Good

Good

Electrical Insulation

Good To
Excellent

Good To Excellent

Excellent
Good To
Excellent

Poor

Fair To Good

Excellent

Good

Excellent

Fair To Good

Permeability To Gases

Fairly Low

Fairly Low

Fairly Low

Low

Low

Fairly Low

Low To Fairly Low

Fairly Low

Very Low

Fair To Good

Fair To Good

Good

Excellent

Excellent

Fair To Good

Excellent

Excellent

Good

Good

Excellent

Fair

Fair

Excellent

Properties
Material Designation
(ASTM D-2000