228B

Orthophthalic

350-550

5.5-9.5

Low reactivity, low shrinkage, high elongation at break and good impact strength after curing. It can be rotated 360°, folded without breaking, and will not crack under staple gun nailing. It can also be mixed with other resins to improve flexibility.

228C-1

Isophthalic

600-800

2.0-5.0

Used for making tough materials and wood-imitation materials such as furniture decorative parts. Applied for toughening modification of buttons to improve impact resistance. Used in SMC/BMC formulations to improve impact toughness and ensure stable thickening.