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      Contact Us

      Wenzhou Qingming Chemical Co., Ltd.
      Add: 114 Changhai Road, Wenzhou Industrial Park, Zhejiang, China
      Contact Person: Mr. Xu +86-13676580077
      Mr. Jin: +86-577-86657818
      Fax: +86-577-86657818
      E-mail (Domestic Trade):
      qm@qmchem.com
      URL: www.in1797.com
      E-mail: sales@qmchem.com

      Product

      HK-021 liquid anhydride type curing agent

      HK-021 is excellent anhydride type epoxy resin curing agent with low freezing point, low viscosity, low volatile matter, low toxicity, and good compability with epoxy resins. 
      Composition: methyl tetrahydrophthalic anhydride
      Technical index

      Appearance

      Light yellow transparent liquid

      Neutralization equivalent (as NaOH)g/mol

      82-87

      Anhydride content %

      ≥40.00

      Heating loss %

      ≤1.00

      Relative density (D420)

      1.18-1.22

      Viscosity mpa.s (25℃)

      ≤80

      Freezing point ℃

      ≤15

       

       

      Main uses: 
      The product is widely used in electronic and electromechanical industries. 
      Packing, storage and transportation: 
      25Kg plastic drum or 240Kg plastic-lined iron drum. Storage period: at least 12 months.
      To protect from fire and water during storage and transportation. Keep upright. 

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