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Technical Datasheet | Supplied by Nexam Chemical
NEXIMID® 400 by Nexam Chemical is a pale yellow 4,4´-(1,2-Ethynyl) bisphthalic anhydride powder. Acts as a crosslinker and chain extender. Compatible with high performance polymers including polyimides, polyetherimides and aromatic polyamides. Designed for films for electronic applications, 3D-printing & structural composites for aerospace, heavy industry and military applications. No volatile byproducts are formed during curing of NEXIMID® 400.
Product Type
  • Crosslinkers / Curing Agents / Hardeners > Acids / Anhydrides
  • Rheology / Viscosity Modifiers > Chain Extenders
Chemical Composition
4,4´-(1,2-Ethynyl) bisphthalic anhydride
CAS Number

Compatiblity with other products

Find products that are predicted to be compatible with NEXIMID® 400.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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