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MDH- 75 curing agent


Application range:
    It is mainly applied to curing polyurethanes adhesives and paintings.

Technical performance index:
1.Appearance: clear or light yellow transparency liquid;
2.Solid content(%) : 40%, 50%, 75%;
3.Because of its low NCO content,the amount of MDH-68 should be added 10-20% more than TDI's.You can pre-test it depending on your condition.

1.Ethyl acetate can be used to dilute this product.( moisture content ≤0.1% and alcohol content≤0.02%)
2.MDH-75 is a kind of general type curing agent.It is mainly applied to mixed using with polyurethanes adhesives and paintings in a mild climate.
3.Because of its high activity, it is sensitive to water and alcohol.The solvent used must measure up to the Chinese standard. Normally, the amount of this product must be added 10%-30% more in the damp weather.
4.This product can be combined with other same kind curing agent, in order to control the curing speed and curing quality.You can do enough pre-test according to your production.
5.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.
6.This product is easily moistened.It will become useless,when its color change into white.Please keep residual product in a sealed small mouth metal pail.
7.Flammable, caution for fire.
8.The shelf life of the product is 6 month.(Keep it inshade with the temperaturelower than 25℃)
9. 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.

Technical performance index of MDH-75 curing agent


appearance(visual method)

Solid content(%) Viscosity( 25±1℃)(mpa.s) NCO(%) shelf life (month)
MDH-75 light yellow or clear sticky liquid 75±2 1800-3800 10.5± 0.3 6