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TP41 Epoxy Hardener For Heavy anti-corrosion powder

2021-04-20     浏览次数:114    

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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