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產品展示

TP41 Epoxy Hardener For Heavy anti-corrosion powder

2021-04-20     瀏覽次數:1995    

Description

Epoxy Hardener?TP41?is a?phenolic curing agent for use with epoxy and?epoxy?novolac-based powder coatings.?Coatings made with?TP41?exhibit the excellent chemical resistance,?substrate?wetting?and mechanical properties for which phenolic-cured epoxy coatings are noted.It?offers formulators the versatility of using differing cure cycles while maintaining performance properties. For example, powder coatings made with TP41?can be “snap” cured in 2 minutes at 200°C or low-temperature cured in 20 minutes at 120°C while maintaining both mechanical (160 reverse inch pounds impact) and chemical resistance (100+ MEK double rubs) properties. In addition, powder coatings made with TP41?have good package stability and exhibit very low yellowing.

?

Technical Parameters

Epoxy Hardener TP41

Specifications

Appearance

Clear to Haze Granules

Specific Gravity (25/25)

1.10 -1.25

Melting Range?

80-100

Epoxy Equivalent (g/e?q)

240-260

Soft point?(°C)

80-90

Chroma Gardner

2


Curing Condition :120℃/20min;200℃/2min

?

Dosage:?25% of the binder with a traditional type III?epoxy resin?E12.

?

Reference?Formula

Epoxy Resin

200

Flowing Agent TP88

4

Titanium Dioxide

80

BaSO4

80

Epoxy Hardener TP41

40-50

Catalyst

1

?

Add a small amount of a curing accelerator,?such as 2-methylimidazole,?2-phenylimidazole?morpholine?etc.?can be adjusted to the requirements of the curing temperature and curing time.

?

Package & Storage & Handling

1.?Available in polyethylene-lined,?multi-ply paper bags,?N.W. 25KG/Bag.

2.?Store in a cool and dry place to avoid contacting other chemical products.?Seal after?use.?Please wear dustproof mask and glove when operating. ?

3.?Validity will be?1?year under normal temperature.

?


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