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HDF-75 blocked non-yellowing hardener

 

        HDF-75 hardener, a kind of blocked non-yellowing hardener modified with pure HDI,polyester and Methyl ethyl ketone oxime,has low deblocking temperature.Properly formulated compounds offer good non-yellowing properties and strong adhesion to various substrates.It won’t cure at normal temperature when it is blocked.

 

    Applications

 

  • Combined use with PU adhesive,paint and baking varnish at high temperature.
  • Improve weather resistance and adhesion of the paint and coating.
  • Low deblocking temperature(140°C above).

 

    Technical parameters

 

Product mode

Color

NCO content

(%)

Solid content

(%)

Viscosity

(25°C)Mpa.s

Shelf life

/months

HDF-75

Light yellow or transparent liquid

12.0±1.0%

75%

 

6

 

    Other information

 

  • Specification: depend on customer.
  • Deliery :20~30 days after received 30% advance by T/T
  • Payment: T/T