RESOURCES
ANTI-VIBRATION MOUNTS

mounting NR

Sl.no Property Test Method Unit Natural Rubber
Spec. (Limit) 1040 M1 Spec. (Limit) 1050 M1 Spec. (Limit) 1060 M1 Spec. (Limit) 1070 M1 Spec. (Limit) 1080 M1
1 Hardness ASTM D 2240-97 Shore A 40±5 50±5 60±5 70±5 80±5
2 Tensile Strength ASTM D412-98a Mpa 25.0 Min 23.0 Min 23.5 Min 20.0 Min 19.0 Min
3 Elongation @ Break ASTM D412-98a % 750 Min 650 Min 650 Min 575 Min 750 Min
4 Compression Set (70°C / 22h) ASTM D395-98 % 20 Max 20 Max 20 Max 20 Max 20 Max
5 Abrasion Loss ASTM D 5963 mm³ 150 Min 150 Min 165 Min 165 Min 170 Min
6 Tear Strength ASTM D 624 kN/m 35 Min 50 Min 82 Min 85 Min 75 Min
7 Aging Test (70°C / 72h)
ASTM D573-99
7a Hardness Change ASTM D2240-97 Shore A ±5 Max ±5 Max ±5 Max ±5 Max ±5 Max
7b Tensile Strength Change ASTM D412-98a % ±10 Max ±10 Max ±10 Max ±10 Max ±10 Max
7c Elongation @ Break Change ASTM D412-98a % ±20 Max ±20 Max ±20 Max ±20 Max ±20 Max
8 Specific Gravity ASTM D792 g/cm³ 1.02 ±.05 1.06 ±.05 1.12 ±.05 1.17 ±.05 1.19 ±.05
9 Resilience ASTM D7121 % 60 Min 55 Min 40 Min 35 Min 20 Min
10 Ash Content ASTM D4574 % 8 Max 8 Max 8 Max 8.5 Max 8.7 Max
Rheological Properties
Temperature 150° C Time: 12Min 150° C Time: 12Min 150° C Time: 12Min 150° C Time: 12Min 150° C Time: 12Min
ML (lb -in) 0.217 0.348 0.466 0.714 1.178
MH (lb -in) 1.68 3.626 2.695 5.686 7.603
TS2 (M) 0:56 2:06 2:28 2:33 2:05
TC90 (M) 2:58 4:12 3:59 6:02 4:59
*Working temperature.: -50 °C up to 70 °C
*Good weather Resistance
*High Resilience and Tensile Strength
*Good Abrasion Resistance