Aktifit VM in hydraulic and fuel hoses

Calcined product, treated with vinyl silane

Aktifit VM is applicable specially for peroxide crosslinking.  
The product offers higher tensile strength, higher tensile modulus, lower compression set, better abrasion resistance and improved chemical resistance.

  • very good extrusion properties
  • high surface quality
  • high tensile modulus
  • low compression set
  • good resistance against fuels, oil, water, acid
  • avoids deposits on dies caused by filler
Product characteristics Unit AKTIFIT VM
Basic material SILFIT Z 91
Silanized with vinyl silane
Color values L*
Color values a*
Color values b*
94
- 0.1
1
Particle size D50
Particle size D97
µm
2.0
10.0
Residue > 40 µm
mg/kg
10
Volatile matter at 105 °C % 0.1
pH VALUE not applicable
Density
Bulk density
Tamped density
g/cm³
2.6
0.37
0.67
Spec. Surface area (BET)
Oil absorption
m²/g
g/100 g
9
65
Hardness silica/kaolinite
mg
7/4.5
Refractive index n 1.55
Water solubility
Acid solubility
%
not applicable
not applicable
Chemische Analyse:
SiO2
Al2O3
Fe2O3
%
86
13
< 1
Mineralogical Composition:
Neuburg silica
Calcined kaolinite
%
60
40
Equilibrium moisture content at 25°C
and 50% relative humidity
and 80% relative humidity
and 90% relative humidity
%
0.05
0.07
0.08
Water absorption ml/g ≤ 0.1
hydrophobic X
reactive X

In order to make available to you the most important information about our products at all times, you will find here the Material Specification.

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The aspects to observe when working with our products are detailed in our Material Safety Data Sheet, which also can be downloaded.

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All information about material characteristics, application fields and benefits can be found in this Technical Data Sheet and is also for download available here.

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