Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Kukdo Chemical SM-633 Epoxy Resin

SM-633 is a premium novolac epoxy resin in Kukdo’s SM series, designed for protection and sealing in harsh chemical corrosion environments. It features excellent strong acid and alkali resistance and high-temperature stability, forming a dense and tough protective coating.

Features Of Kukdo Chemical SM-633 Epoxy Resin

  • Strong chemical resistance - Excellent resistance to strong acids, alkalis and organic solvent erosion

  • High thermal stability - Superior high-temperature resistance, stable performance in a wide temperature range

  • High crosslinking density - Dense structure after curing, strong anti-permeability

  • 100% solid content - No volatile organic compounds, meeting low-VOC environmental requirements

  • Excellent bonding and sealing - Firmly bonds to steel, concrete and other substrates with good sealing performance

Typical Applications Of Kukdo Chemical SM-633 Epoxy Resin

  • Chemical anti-corrosion coatings - Protection for inner walls of chemical equipment, acid-alkali tanks and reactors

  • Secondary containment sealing - Anti-seepage sealing for chemical storage areas, pump stations and trenches

  • Highly corrosive floors - Floors in highly corrosive environments such as electroplating workshops and battery charging areas

  • Flue gas desulfurization equipment - Protection for high-temperature corrosive environments such as power plant desulfurization towers and flues

  • Special sealing materials - Joint sealing of chemical process equipment and gasket preparation

Specifications Of Kukdo Chemical SM-633 Epoxy Resin

AppearanceLight Yellow to Tan Liquid
TypeNovolac Epoxy Resin
Epoxy Equivalent (g/eq)170-190
Viscosity (25℃, cps)4500-6500
Solid Content (%)100
Density (20℃, g/cm³)1.17-1.19
Glass Transition Temperature (Tg, ℃)130-140
Acid Resistance (98% H₂SO₄, 72h)No obvious change
Alkali Resistance (50% NaOH, 72h)No obvious change


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