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HDF-75 blocked non-yellowing curing agent


    HDF-75 is a kind of blocked and non-yellowing curing agent which has low deblocking temperature.It is applied to curing adhesive,ink,oil paint and baking varnish in high temperature.

Application range
    It is mainly applied to curing PU adhesive,oil paint and baking varnish in high temperature.

Technical performance index
    1.Appearance: light yellow or transparency liquid;
    2.Solid content(%) : 75%;
    3. NCO content after Deblocking(%) : 12±1;
    4.Deblocking temperature:140℃ above.
    1.Butyl acetate,dimethylbenzene and ketones can be used to dilute this product.
    2.This product is a kind of special blocked curing agent,and only has effect in high temperature(140℃ above). It can’t cure at room temperature.
    3.This technical information is for reference only. According to verified technical conditions and raw material qualities are strongly different, recommended to do enough pre-tests or ask for advices from us.  We will put forward suggestions depend on your situation.
    4. According to customer demand for products, we can make the overall design of the program,including modifying the product formulation and setting the process methods.