AKROMIDÂ® S brochure A4 - AKRO-PLASTIC GmbH

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Product characterisationA characteristic property ofAKROMID® S (PA 6.10) is that it hasa renewable-resource content of upto 70 % and therefore fulfils the currentdefinition of a bioplastic¹. Theplant-based raw material used is sebacicacid, synthesized from castoroil which is obtained from the seedsof Ricinus communis, the castor oilplant.From a technical standpoint,AKROMID® S closes the gap betweenPA6/PA6.6 and PA12. It ischaracterized by significantly lowermoisture absorption compared toPA6 and PA6.6. At 23 °C and 50 %relative humidity, typical values forthese product types are 3 % and2.8 %, respectively. With a value ofapproximately 1.4 %, PA 6.10 absorbsjust half as much moistureand can therefore be used as an engineeringmaterial in applicationsrequiring a high dimensional accuracy.Moreover, it exhibits excellentcold impact resistance. Other outstandingcharacteristics include verygood chemical resistance due tothe structure of the polymer andhigh hydrolysis resistance, althoughit can be processed like all commonpolyamides.The materials from the PA 6.10 productfamily are further characterizedby exceptional dimensionalstability, good surface quality, goodsurface quality, abrasion resistance,wear behaviour, and an improvedcarbon footprint. This is due to thefact that the plant-based raw materialshave already removed CO₂from the environment during theirgrowth phase.The product portfolio currentlycomprises one non reinforced variantand several reinforced variantswith a glass-fibre content rangingfrom 15 % to 50 %.¹ = definition of Bioplastics according toProf. Dr. lng. H.-J. Endres,FH HannoverAKROMID® A (PA 6.6)Impact strength kJ/m2N (CH₂)₆ N C (CH₂)₄ CH H O O nAKROMID® S (PA 6.10)N (CH₂)₆ N C (CH₂)₈ CH H O O nAKROMID® S3 GF 30 1100806040200AKROMID® S3 GF 30 1 following ageing in ZnCl₂solution under flexural loadPA6-GF30 modific. IPA6-GF30 modific. IIPA6-GF30 modific. IIIPA6-GF30 modific. IVS3 GF 30 1 black (3259)PA6.6-GF30AKROMID® S3 GF 30 1 exhibits significantly better impactstrength compared to PA6/PA6.6-GF30Adipic acidSebacic acidImpact strength after 200 hours in ZnCl₂ solution4
A comparison of technical properties shows the outstanding differences between AKROMID® S andcomparable PA 6 compounds:Moisture absorption vs. exposure time – 500 h at 70 °C and 62 % rel. humidity32.5Moisture absorption %21.51B3 GF 30 blackB3 GF 50 black (2488)S3 GF 30 1 black (3259)S3 GF 50 1 black (3441)0.500 50 100 150 200 250 300 350 400 450 500 Exposure time hAKROMID® S absorbs approx. 50 % less moisture than a PA 6 GF 30or PA 6 GF 50Young’s modulus as a function of exposure time18,00015,00012,000B3 GF 30 blackB3 GF 50 black (2488)S3 GF 30 1 black (3259)S3 GF 50 1 black (3441)E-Modul MPA9,0006,000Ageing conditions:Temperature: 70 °CRel. humidity: 62 %Ageing period: 500 h3,00000 50 100 150 200 250 300 350 400 450 500Exposure time hFollowing moisture absorption, Young’s modulus in AKROMID® Sdecreases significantly less than in PA 6 GF 30 or PA 6 GF 505
Page 2: AKROMID® S series (Polyamid 6.10)A

AKROMIDÂ® S brochure A4 - AKRO-PLASTIC GmbH

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