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New Adhesive Coating Compound Reportedly Breaks Flame Retardancy Records

Posted By ASC, Wednesday, February 26, 2020

Specialty compounder Dynamic Modifiers reports that it has broken through the glass ceiling for flame retardancy with a new compound which has been tested successfully to 1950°C. According to Dynamic it has done it twice over, by developing a nonwoven and technical textile coating based on the compound, as well as a new adhesive used to bond the sort of two ply laminated fabrics the coating protects. 

According to the company, the coating and adhesive follow the development of the new non-halogenated FR compound, PAL Vera Char. This compound polymer passed the ASTM E84 (Class A) test rated at 15/10, generates ‘clean’ smoke amounting to only 2.3% of the allowable ASTM smoke limits. It’s also shown itself able to prevent any flaming drips of polymer. Internal evaluation results indicated that the new adhesive, suitable for use on multiple substrates, also showed no ply separation, distortion, or flaming drips after a 60 second vertical burn test carried out on separate two ply laminations of woven carbon, and glass fibre fabrics. 

Dynamic Modifiers reports that the lightweight and non-toxic polymeric compound has good cold crack performance, is resistant to chemicals and hydrophobic. It is also printable, can be custom tailored for specific needs, and be used either as a coating or as a flexible film or sheet. It can also be over-moulded, moulded to shape, cast or even calendered to smooth, thin or coat material. 


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