Properties of the rubber applied to tests by TISTAM ACADEMY

Applications Temperature Basic Elastomer Type

For static and dynamic seal with mineral oil greases and natural gases and petrol for potable water food drinks very good compressors

-30 C up to +130 C

Nitril NBR

Excellent resistance to atmospheric agent, hot water, and steam good resistance to Ozone.

- 50 C up to +150 C

Ethylen
propylene
EPDM

Normally for static seal, excellent performance up to external temp. res., in hot air, Ozone, suitable for food uses.

-60 C up to +22 C

Silicon SIL

For static and dynamic seals in aliphatic and aromatic hydrocarbons except Ketons, and Ozone even at high temp

- 30 C up to +240 C

Flour Carbon

(Viton)

FP

The table shows a guideline of the most properties of the rubber applied to tests out at room temperature (23 C).

 
 

 

NBR

FP

SI

EP

CR

NR

Tensile strength at break

4

6

4

3

1

 

Elongation at break

2

3

4

3

2

1

Rebound elasticity

3

5

3

3

3

2

Wear resistance

2

4

5

3

2

2

Tearing resistance

3

3

6

3

2

2

Resistance to ageing

3

1

1

1

2

3

Ozone resistance

3

1

1

1

2

4

Fuel resistance

1

1

5

5

2

6

Oil and grease resistance

1

1

3

4

3

6

Acid resistance

4

1

5

1

2

3

Alcali resistance

3

1

5

2

2

3

Hot water resistance

3

2

5

2

3

3

High temperature range ( C)

+130

+220

+200

+150

+120

+90

Low temperature range ( C)

-40

-25

-60

-50

-30

-50

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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