Flame-retardant Compounds
Due to increasing safety requirements and new future-proof technologies in the fields of E&E, e-mobility and public transportation, flame-retardant materials are becoming more and more important. AKRO-PLASTIC GmbH supports the markets with a customized portfolio of flame-retardant products, all free of red phosphorus, halogenated flame retardants and PFAS-containing anti-drip agents. We always keep an eye on the latest technologies and regulatory changes so that we can offer you innovative and future-proof solutions. Our portfolio includes the following product groups:
AKROMID® FR: PA6, PA66, PA66/PA6-Blend, PA9T
AKROTEK® FR: PK - Polyketone
AKROLOY® FR: PARA - Polyarylamide
PRECITE® FR: PBT
AKROLEN® FR: PP
Flame-retardant materials are often used in electronic devices. It is therefore necessary to pay particular attention to electro-chemical corrosion. All flame-retardant materials from AKRO-PLASTIC GmbH are halogen-free. This applies not only to the flame retardants, but also to the heat stabilizers used, thus allowing solutions that prevent corrosion on micro-processors as a result of unfavourable stabilization systems. In addition, better electrical properties can be achieved compared to halogenated flame retardant systems, which is reflected in higher CTI values and makes it possible to use them in the field of high-voltage components.
Electro-neutral materials with a specified halogen content are particularly in demand in the field of battery management. AKRO-PLASTIC GmbH offers special EN compounds (EN = electro-neutral) for this purpose, which guarantee halogen contents <10 ppm (for bromine + iodine) thanks to technical formulation and production measures. AKROMID® B28 GF 35 FR EN black (7484) is therefore the perfect solution for battery housings with a component thickness >1.6 mm. If a guaranteed EN quality is not explicitly required, we refer to the AKROMID® B28 GF 35 9 FR black (8189).
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ICX®-Technology
The ICX® Technology (innovative compounding and extrusion technology), jointly developed with the mechanical engineering and sister company FEDDEM GmbH & Co. KG, contributes to ensuring a consistently high quality. This quality is the same in all global plant locations.
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Flowability
Numerous reinforced and flame-retardant products in the AKROMID® range based on PA6, PA 6.6 or PA blends are characterized by easy processability and good surface properties. Combined with good long-term heat stability and outstanding mechanical properties, AKROMID® B28 GF 25 9 FR natural (8066) and its UL-listed V0 classification at 1.6 mm is suitable for applications in e-mobility.
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Impact strength
For applications with high demands on mechanical properties, glass fiber-reinforced, flame-retardant polyamides are preferred, usually with 25% or 30% glass fibers. However, flame retardants reduce the mechanical properties of the compound. Thanks to our many years of experience with highly reinforced materials and our gentle treatment of the glass fibers during processing, we are able to produce flame-retardant materials with higher mechanical properties than our competitors.
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Specialities
For high-end parts which need very high mechanical properties and outstanding dimensional stability AKRO-PLASTIC offers different flame-retardant grades based on special polyamide raw materials.
High mechanical properties over a wide temperature range, low moisture uptake and excellent surface – these requirements are perfectly matched by AKROLOY® PARA GF 35 FR (7496). With a tensile modulus of 14500 MPa and a tensile strength of 200 MPa this material offers more freedom to design mechanically stressed, flame retardant parts.
AKROMID® T9 GF 15 FR LA black (8197) is suitable for high-temperature applications in the automotive sector or in mechanical engineering, which also require high rigidity and strength at temperatures above 120 °C. AKROMID® T9 is based on a PA 9T homopolymer and has low moisture absorption and good media resistance. The above-mentioned grade achieves fire classification UL 94 V0 from 0.8 mm, CTI 600V and is laser-markable. If you would like to find out more about our AKROMID® T (polyphthalamide) product range, please click here.
Applications in the high-voltage sector
The flame-retardant and heat-stabilized compound AKROMID® C3 GF 25 1 FR, specially developed for components in the high-voltage sector (HV connectors, busbars or housings), is listed to UL94 in all colours, including RTI listing. AKROMID® C3 GF 25 1 FR orange (7854) similar to RAL 2003 has good color stability when exposed to heat.
Improved compounds for flame-retardant products
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Polyketone with 30% glass fibres and halogen free flame retardant similar to RAL 2003
AKROTEK® PK-VM GF 30 FR orange (8537) is a Polyketone with 30% glass-fibers and flame retardant free of halogens similar to RAL 2003. This grade meets the highest requirements for flammability such as UL94 V0 at 0,8 and electrical properties such as CTI of 600 V. This grade is optimized to the requirements of larger processing windows. Engineered for injection moulding this material can also be 3D-printed using pellet extrusion in large scale additive manufacturing.
FR Compounds
Flammability Tests
Flame retardancy tests of our compounds
Flammability Tests
Click here for VIdeos of our flame retardant tests.
V2 reinforced
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V0 - unreinforced
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Flame Shielding
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GWFI 960 °C unreinforced - flame retardant
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GWFI 960 °C reinforced - flame retardant
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5VA - Sheet
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5VA - Rod
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Disclaimer: All specifications and information given on this website are based on our current knowledge and experience. A legally binding promise of certain characteristics or suitability for a concrete individual case cannot be derived from this information. The information supplied here is not intended to release processors and users from the responsibility of carrying out their own tests and inspections in each concrete individual case. AKROMID®, AKROLEN®, AKROLOY®, AKROTEK®, ICX®, PRECITE® and DIA(hr)LOG® are registered trademarks of AKRO-PLASTIC GmbH.
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