Professional Material Supplier For Rubber Industry

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MEDU INDUSTRIAL CO.,LTD
AEM Rubber Compound (AEM)

AEM Rubber Compound (AEM)

   AEM rubbers(Ethylene acrylic elastomers), are synthetic rubbers composed of both ethylene and acrylic monomers. The ethylene imparts good low temperature properties, while the acrylic portion improves the oil resistance. The combination of a saturated backbone with polar side groups also provides good resistance to heat, ozone (weathering), and many chemicals.

   An important manufacturer and supplier of AEM rubbers is DuPont.

   Our AEM Compound is made from Dupont Vamac.

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   AEM rubbers(Ethylene acrylic elastomers), are synthetic rubbers composed of both ethylene and acrylic monomers. The ethylene imparts good low temperature properties, while the acrylic portion improves the oil resistance. The combination of a saturated backbone with polar side groups also provides good resistance to heat, ozone (weathering), and many chemicals.

   An important manufacturer and supplier of AEM rubbers is DuPont.

   Our AEM Compound is made from Dupont Vamac.




Properties:

    AEM’s resistance to ozone and weathering is superior to nitrile rubber (NBR) and its cold temperature performance is better than that of ACMs. Besides excellent heat and ozone resistance, AEMs have outstanding vibration dampening and good dynamic and abrasion properties over a wide temperature range.

    Properties of AEM rubber at a glance:

  • Excellent weather and ozone resistance

  • Very good heat resistance

  • Resistant to most oils and lubricants (even those containing aggressive additives)

  • Low compression set

  • Good for low-temperature applications

  • Thermal application range: -40 to +150°C, up to 175°C for short periods

Temp. Range, ℃

-30 / 150

Compression Set

Good

Phys. Strength

Good

Low Temp. Prop.

Good

Abrasion Resist.

Fair

Gas Permeability

Low

Weather Resist.

Excellent

Hot Water Resist.

Fair

Steam Resistance

Poor

Ozone Resistance

Excellent

Mineral Oil Resist.

Fair

Chemical Resist.

Fair

Flame Resistance

Poor

Heat Resistance

Excellent


Application:

    AEM elastomers are primarily used where combined resistance to ozone, heat and oils is required. They are sometimes a good alternative to more expensive heat resistant elastomers such as fluorocarbon polymers (FKM), silicones (VMQ) and fluoro-silicones (FVMQ) for elevated temperature applications (< 150 °C, < 300 °F)

    Most car manufacturers worldwide use them to produce engine-related components, including:

  • Turbocharger hoses and other hose applications

  • Blow-by gas and diesel particle filter sensor sheaths

  • Air management elements

  • Oil- and heat-resistant vibration dampers

  • Engine and transmission seals

  • Cylinder head cover gaskets

  • Oil filter and oil sump gaskets

  • Shift pistons





Specification of AEM Compound:

Testing condition:

   Frist Curing ,sheet180℃*10min

   Post Curing, sheet175℃*4h

   RheometerASTM D-2084)(180℃T10s=55s      T90min=6.9min


TEST ITEMS

UNIT

INDEX VALUE

TEST METHODS

TEST DATA

Hardness

A0


D-2240

72

Break strength

Mpa


D-421

12.8

Elongation at break

%


D-421

256

Aging test in hot air (150*70h)

Hardness change

A0

0~+10

D-573

+3

Break strength change

%

Within -30

D-573

+15

Elongation rate

%

Within -30

D-573

-20

Compression permanent deformation (150*70h)

Compression permanent deformation

%


D-395B

25.8

ASTM 1# Standard Oil Resistance (150*70h)

Hardness change

A0

-5~+10

D-471

+3

Break strength change

%

Within -20

D-471

+10

Elongation rate

%

Within -30

D-471

-19

Volume change

%

-3~+15

D-471

-2

ASTM 3# Standard Oil Resistance (150*70h)

Hardness change

A0

Within -15

D-471

-11

Break strength change

%

Within -30

D-471

-17

Elongation rate

%

Within -20

D-471

+18

Volume change

%


D-573

+28

Brittleness temperature



-41

Color

Black


Packaging&Storage:

Net weight 25kg/bags; Net weight 1000 kg/pallet.

Store in closed containers in a cool, dry, well-ventilated place. Avoid exposure under direct sunlight.





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