Liquid Low Viscosity Epoxy Hardener For Electronic Potting Epoxy Compounds

Basic Information
Place of Origin: CHINA
Brand Name: HERRMAN
Certification: ISO9001:2008
Model Number: HM-257
Minimum Order Quantity: 200KGS
Price: Negotiation
Packaging Details: 200KGS/drum
Delivery Time: 15-20 work days
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: 2000 Metric Ton/Metric Tons per Year
Detail Information
Appearance: Light Yellow And Transparent Liquid Gel Time(100g Mix At 25℃)(mins): 50
Thin Film Set Time [15g@3mm, 25 °C@h: 4 Viscosity[25℃@cps: 100-200
Amine Value[JIS Method: 260 Color[Gardner: ≤3
Type: Modified Polyether Amine Hardener Application: Electronic Potting Epoxy Compounds
High Light:

cycloaliphatic amine curing agent


lithium silicate powder

Product Description

Low viscosity epoxy hardener based on modified Polyetheramine HM-257


HM-257 is a low viscosity epoxy hardener based on modified Polyetheramine with Nonyl phenol free and low viscosity,long potlife and fast drying.

The condensate with high gloss, good chemical and yellowing resistance and strong mechanical strength,no blushing as the flooring coatings.

1. Characteristics

High glossNo blushing Low viscosityGood chemical resistanceStrong mechanical strength

2. Applications

● Epoxy flooring coatings
● Electronic potting epoxy compounds
3. Typical Technical Index
Items HM-257
Appearance Light yellow and transparent liquid
Color[Gardner] ≤3
Amine Value[JIS Method]
Viscosity[25℃@cps] 100-200
Density[25℃@mg KOH/g]
Added Weight[PHR] 50

4. Typical Handling Properties

Items HM-257
Gel Time [100g mix at 25 °C@mins] 50
Thin Film Set Time [15g@3mm, 25 °C@h] 4
Hardness Shore D 70 [15g@3mm,25 °C@h]


Remark: Cured with liquid Bisphenol-A based epoxy resin (EEW=190)

5. Storage Life

At least 12 months from the date of manufacture in the original sealed container at ambient temperature
( 0-40℃, not lower than 0℃). Keep away from sunshine.
6. Packaging & Shipping

Liquid Low Viscosity Epoxy Hardener For Electronic Potting Epoxy Compounds


Company Information


Anhui Herrman Impex Co., Ltd. is a privately owned enterpirse with more than Twenty-two years' experiences of foreign trade. Its former shape came from Anhui Herrman Chemicals Co., Ltd., which established in 1994 and devoted itself into the exportation and importation business of Chemicals and Light Industry.

In order to shape an uniform and scientific management system with high efficiency, normalize the operation process and guarantee the advancement of the company in a long term, we made Herrman Chemicals and Herrman Light Industries become one: Anhui Herrman Impex Co., Ltd., which is acknowledged as the headquarters of Herrman group. At the same time, it points out the way we are moving. In 2002, we were certified and approved by ISO9001:2000 Quality System, details of which have been carried out since then and provided strong foundation for normalized management and standard service of the company.

To meet the requirement of company progress, we started Shanghai Herrman Impex Co., Ltd., Nanjing Herrman Chemical Factory, Nelson International Inc. and Anhui Herrman Titanium Dioxide Co., Ltd. in the same year of 2002. All these efforts have been proved to be with important significance in the process of being an industry company.

In a response to rapidy growing machinery business, we set up another specialized company Anhui Herrman Machinery & Technology Co., Ltd. In 2010, responsible for all machinery business.


Looking back and forward, we will keep advancing for the brighter future without hesitation.

Liquid Low Viscosity Epoxy Hardener For Electronic Potting Epoxy Compounds



Liquid Low Viscosity Epoxy Hardener For Electronic Potting Epoxy Compounds

Contact Details

WhatsApp : +8613505605700