EPS Pre-Expansion Illustration 2019-02-25T02:45:04+00:00Leave Your Massage Your Name (required) * Your Phone Email (required) * Subject Your Message EPS Pre-Expansion IllustrationGuangxing Batch Type Pre-ExpanderEPS material at room temperatureEPS raw material after steam heating, pentane starts to boil, eps beads begin to swellEPS beads expand to required density