EPDM Rubber Pad

S No.

PROPERTIES

Test method

Spec

Base polymer

EPDM

1

Hardness (Sh.A)

ASTM D2240

80±5

2

Tensile Strength (MPa) min.

ASTM D412

12

3

Elongation@ Break (%) min.

200

4

Heat Ageing@ 70°C/70 Hrs

Change In Hardness, (Points), max.

ATM D573

+10

Change In Tensile (%), max.

-25

Change In Elongation (%), max.

-25

5

Compression Set @ 70°C/22 Hrs (%) max.

ASTM D 395 Method B

35

6

Resistance to Ozone,Quality
Retention rating (%), min.

ASTM D 1771

85

7

Water resistance for 70Hrs/100°C,
Volume Change, max. (%)

ASTM D 471

10

8

Colour

Black

9

Density

1.19±0.03

10

Tear Strength daN/cm

38

11

Max. Ash Content

<5%