Best Price Epoxy Curing Agent Hw-8077s with Good Blush Resistance for Metal and Concrete Coatings

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Product Description

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Basic Information

Model NO.HW-8077S
ColorYellowish Transparent
CompositionOrganic Material
MorphologyLiquid
Viscosity(Cps/25℃)350-600
Amine Value350-450 Mgkoh/G
Flash Point93 Min ℃
ClassificationRoom Curing
CharacteristicWeatherability
HS Code29212900
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Product Description

HW-8077S is a fast curing speed and low viscosity epoxy hardener. It does not contain any benzyl alcohol, nonylphenol, or bisphenol-A. It is specifically designed to be used as an accelerator and modifier for slower reacting hardeners at low temperatures, providing excellent blush resistance.

Main Application:
Ideal for solvent-free (low emission) and low-temperature curing coatings for metal and concrete surfaces. It serves effectively as an accelerator for slower curing systems.

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Technical Specifications

Item Specification
AppearanceYellow Transparent liquid
Viscosity (CPS/25ºC)350-600
Amine value (mgKOH/g)350-450
Color (Gardener)≤6
Ratio (for Epoxy resin EEW=190)100:40
Pot life (Total 150g at 25ºC)60 Minutes
H+ Active Equivalent Weight (g/eq.)75
Gel time (min 25ºC)15 minutes (with 128 resin total Max 100g)
Flashing point [ºC]>93
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Storage and Packaging

Storage: Stored in a cool and dry place with proper ventilation. The product can be kept sealed for up to 12 months. It is critical to avoid direct contact with water, strong acids, or alkalis.

Package: Available in 200kg / iron drum.

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Visual Overview

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Frequently Asked Questions

What are the primary applications for HW-8077S?
It is primarily used for solvent-free, low-temperature curing coatings on metal and concrete. It also acts as an accelerator for slower curing epoxy systems.
Does this hardener contain harmful substances like Bisphenol-A?
No, HW-8077S is formulated without benzyl alcohol, nonylphenol, or bisphenol-A, making it a lower-emission choice for industrial applications.
What is the shelf life and recommended storage condition?
The product has a shelf life of 12 months when stored in a cool, dry, and ventilated place. Containers must be kept sealed and away from water or strong chemicals.
How does HW-8077S perform in low temperatures?
It is specifically designed for low-temperature curing and exhibits excellent blush resistance, ensuring a high-quality finish even in challenging conditions.
What is the standard packaging size?
The standard packaging is a 200kg iron drum, suitable for large-scale industrial use and safe transport.
What is the mixing ratio for this curing agent?
For epoxy resin with an EEW of 190, the recommended mixing ratio is 100 parts resin to 40 parts HW-8077S hardener.

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