AFM 32/2
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描述
产品材质:无石棉垫片,非石棉
 
Material

AFM 32/2 is an asbestos-free gasket material. It is composed of aramide fibres and other asbestos substitutes which are resistant to high temperatures. These substitutes are processed with high-grade elastomers under elevated pressure and temperature.

Properties

AFM 32/2 exhibits high mechanical and thermal stability as well as high tensile strength. It is also conformable and is particularly suitable for sealing off oils and other fluid substances.

Application

 

  • for sealing joints in internal combustion engines which are subject to high mechanical stress (e.g. intake manifolds,oil pans)
  • for transmissions, compressors, pipelines and apparatus
  • for sealing off transmission, hydraulic, refrigerating and motor oils
  • for sealing off fuels, mixtures of water and antifreeze and corrosion inhibitors
  • for sealing off Freons, alkaline solutions and solvents

 

Surfaces

The standard version of AFM 32/2 has a non-stick top and bottom layer with a high coefficient of friction. This facilitates dismantling. Additional surface treatment is unnecessary in most cases.

技术参数

Technical Data
(Nominal thickness 
2.00 mm)

Density

g/cm³

1.6 - 1.8

Ignition loss acc. to DIN 52 911

%

< 40

Tensile strength

acc. to ASTM F 152

across grain

N/mm²

> 15

acc. to DIN 52 910

across grain

N/mm²

> 12

Residual stress acc. to DIN 52 913

16 h, 300 °C

N/mm²

 25

16 h, 175 °C

N/mm²

 36

Compressibility and recovery
acc. to ASTM F 36, procedure J

compressibility

%

7 - 12

recovery

%

> 50

Sealability against nitrogen

acc. to DIN 3535, part 6 FA

mg/(s*m)

< 0.1

Swelling acc. to ASTM F 146

in IRM 903 Oil (replaces ASTM Oil No. 3)
5 h, 150 °C

increase in thickness

%

< 8

increase in weight

%

< 12

in ASTM Fuel B
5 h, RT

increase in thickness

%

< 7

increase in weight

%

< 10

in water / antifreeze (50:50)
5 h, 100 °C

increase in thickness

%

< 5

increase in weight

%

< 15

Short-term peak temperature

°C

400

Maximum continuous temperature

°C

250

Maximum operating pressure

bar

150

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