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Flexible Epoxy Resins for Higher Solids

For resin applications requiring lower solution viscosity with higher solids, extra flexibility and toughness, Westlake Epoxy provides a range of options:

EPON™ Resin 872 is an epoxy resin modified for flexibility and toughness, useful in applications where thermal shock or impact must be withstood.
EPON Resin 872, 873 and 874 series modified epoxy solutions at 75-90% solids are also available. These may be provided in xylene or in a mixture of methyl isobutyl ketone (MIBK) and xylene or methyl ethyl ketone (MEK).

Flexible Epoxy Resins & Resin Solutions

Product	Typical Properties			Description	Application
Product	Resin Type	Viscocity at 25^oC, P	EGC, mmol/kg, on solids	Description	Coatings	Construction	Composites	All Others⁽¹⁾
EPON Resin 872	Modified BPA epoxy	15 – 38⁽²⁾	625 – 725	Semi-solid epoxy resin modified for flexibility and toughness. Improves thermal shock and impact resistance.
EPON Resin 872-X-75	Mod DGEBPA Solution	20 – 28	625 – 700	75%wt. solids in Xylene, for applications needing flexibility and toughness.
EPON 874-B-90	Mod DGEBPA Solution	515 – 1290	245 – 275	80%wt. solids in MEK, for improved flexibility, toughness, and lower VOC levels.
EPON 874-CX-90	Mod DGEBPA Solution	10 - 30	245 – 275	90%wt. solids in MIBK / Xylene, for improved flexibility, toughness, and lower VOC levels.
EPON 874-G-90	Mod DGEBPA Solution	10 - 50	245 – 275	90%wt. solids in normal butyl acetate, for flexibility, toughness, and lower VOC levels.
EPIKOTE Resin 874L-X-90	Mod DGEBPA Solution	21 -23	230 – 270	90%wt. solids in xylene, for improved flexibility, toughness, and lower VOC levels.

HIGHLY RECOMMENDED:

¹ Other applications include adhesives, electrical castings, electrical laminates and fibers

² 75% by weight solution in Xylene

For more information, see Starting Formulations, Technical Data Sheets, or speak with a representative.