Ethylene Propylene Diene Rubber 4437 is an Ethylene - Propylene - Diene polymer produced by suspension polymerisation using a Ziegler-Natta Catalyst at the Yeosu production facility in Korea.
A non-staining antioxidant is added during the production process.
Main Properties
|
Main Properties |
Unit |
Typical Value |
|
Mooney Viscosity ML 1+4(125 °C) |
MU |
57 |
|
Volatiles content |
% wt |
0.5 max |
|
Ash content |
% wt |
0.3 max |
|
Propylene content |
% wt |
32 (1) |
|
Ethylene content |
% wt |
63.5 (1) |
|
ENB content |
% wt |
4.5 (1) |
|
Oil content |
% wt phr |
40 (2) 67 (2) |
(1) Referred to polymer matrix (2) Pure paraffinic oil
Key Features
Elastomers are characterized by excellent resistance to ageing and weathering, good resistance to both high and low temperatures, low permanent set values, good resistance to a large number of chemicals.
Ethylene Propylene Diene Rubber 4437 is a very high molecular weight terpolymer of medium diene content, extended with 40% paraffinic oil.
Thanks to the pure paraffinic oil Ethylene Propylene Diene Rubber 4437 can be advantageously used in TPV.
It is characterized by high loading capacity, easier dispersion of ingredients during mixing, good dimensional stability and low temperature elasticity.
Main Applications
Automotive, mechanical goods, appliances, TPV.
Physical Form
Bales wrapped with low melting point polyethylene film .
Packaging
Disposable metal crate, nominal net weight 900 kg;
25 Kg bale, 36 bales per crate (1470 x 1140 x H1130 mm) .
Storage Conditions
Store in vented, dry area at temperatures between 20°C and 30°C; no direct sunlight.
Shelf life : 36 months.
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