Conductive plastics

Beki-Shield® GR

Beki-shield GR
Beki-Shield® GR is a stainless steel filler material used in plastic compounds to provide electrical conductive properties. They can be used as a master-batch and have been designed for easy dispersion into the polymer matrix for both injection molding (dry blend) and for compounding. The Beki-Shield® metal fibers are also available in continuous bundles.
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Technical specifications

The following specifications represent the standard Beki-Shield® GR75 and Beki-Shield® GR90 range.
Contact Bekaert to discuss application specific requirements like coatings and compatibility. The Beki-shield® GR90 product has only 10% sizing in comparison with the Beki-Shield® GR75 which has also an additional coating. The removing of the additional coating layer with the Beki-Shield® will make the product more compatible with a larger variety of base polymer and will give you more control over the final technical properties of the end component.

Beki-Shield® GR75

Composition of grain 75% SUS302 (EN 10088-1 : 1.4310)  
  10% sizing  
  15% coating  
Diameter of fibers 8 µm or 11 µm ±10%
Length of fibers 4 or 5 mm ±10%
Processing temperature (*) 120 - 350 °C  
Compatible with (*) Polyolefins, Styrenics, PVC, TPU, PA6, PA6.6, PA, PPS, PBT, PET, POM...  

(*) Depending on coating type

Beki-Shield® GR90

Composition of grain 90% SUS302 (EN 10088-1 : 1.4310)  
  10% sizing  
Diameter of fibers 8 µm or 11 µm ±10%
Length of fibers 4 or 5 mm ±10%
Processing temperature (*) 50 - 290 °C  
Compatible with (*) General applicable, water soluble  

(*) Depending on product type

Dosage information

Volume %
fibers		 Weight %
fibers (*)		 Bulk resistivity
(Ohm.cm)		 Performance (**)
0.25 - 0.50 4 < 10² ESD protection
1 8 0.5 - 2 30 - 50 dB EMI shielding
1,5 11 0.1 - 0.5 50 - 60 dB EMI shielding
> 1.5 > 11 < 0.1 > 60 dB EMI shielding

(*) resin density: ± 1 g/cm³ - stainless steel fiber density: ± 8 g/cm³
(**) 30-1000 MHz shielding range

Storage instructions

Storage instructions Beki-Shield products 1Storage instructions Beki-Shield products 2

Applications

Materials plastic

  • better together

    Situation Skiers count on safety when they go up the mountain

    Solution In close cooperation Bekaert developed superior quality wires that meet the technical customer requirements of ropeway constructors

    Result The customer handles the production of the cables, but also on-site weaving (or splicing) and installation. The cables have a life expectancy up to 40 years

  • better together

    Situation You want to apply innovative solutions tailored to your projects

    Solution We analyze possibilities and come with economical solutions

    Result Save money and time during construction

  • better together

    Situation Customer demand for compact boiler design through a total solution.

    Solution Joint development of an environment-friendly burner system.

    Result Customers improve their competitiveness.

  • better together

    Situation We need a safe solution and huge monthly volumes

    Solution Via tests in the Bekaert lab, we worked out the required fiber mix with the lowest cost to serve our customers

    Result Cost efficiency must not be a compromise on quality

  • better together

    Situation Want to create long aesthetical walls and avoid movement joints

    Solution Applying Brickforce® allows me to double my joint distance

    Result With Brickforce® masonry reinforcement I can create new and exciting masonry wall design

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