Epoxy Vinyl Ester Prepregs : Simprex®
Simprex® prepregs are environmentally friendly, with very low styrene emission. and especially desIgned to be in a B-stage for six months @ 68°F, Typical curing cycle is 20-30 min. @250°F (121°C), under complete vacuum or equivalent pressure.
Simprex® products we are offering are categorized as below.
Specific uses
| Simprex® | Molded Part Features |
|---|---|
| Bisphenol A type | |
| M745 M850 M960 | Superior resistance to aqueous solutions and organic solvents. Excellent mechanical properties. Great toughness and impact strength. |
| Brominated Bisphenol A type | |
| H425 | Fire retardant (UL-94, V-0 flammability rating). Great toughness and fatigue resistance. |
| Elastomer modified type | |
| M655 | Superior resistance to abrasion. Excellent impact and fatigue resistance. High adhesion to core materials. |
| Novolac type | |
| 1355 1555 1755 | Superior chemical resistance. Excellent mechanical properties with glass fiber. Great strength and toughness retention at elevated temperature. |
Technical specifications
| Product Name | Resin Type | Fiber | Product Form® and FAW(gsm) | DSC Tg(°C) | Months @RT | Gel Time (mins) | Recommended cure | Market/Applications |
|---|---|---|---|---|---|---|---|---|
| Phepreg® FP721 G2 | Phenolic (Resole) | SM & HS Carbon E-Glass | Fabric and Stitched UD (200-650) | 285 | 4-5 | 1-2 @ 120°C | 20 mins @ 120°C 7 mins @ 150°C | Aerospace, Mass-transit, Electric, Electronic, Defense |
| Simprex® M745 M850 M960 | Vinyl Ester (Bisphenol A) | SM Carbon E-Glass | Fabric and Stitched UD (200-650) | 120-150 | 16-20 | 1-2 @ 120°C | 15 mins @ 120°C 3 mins @ 150°C | Chemicals, Electric Industrial |
| Simprex® M655 | Vinyl Ester (Toughened) | SM Carbon E-Glass | Fabric and Stitched UD (200-650) | 115 | 16-20 | 1-2 @ 120°C | 15 mins @ 120°C 3 mins @ 150°C | Industrial |
| Simprex® H425 | Vinyl Ester (Brominated) | SM Carbon E-Glass | Fabric and Stitched UD (200-650) | 135 | 16-20 | 1-2 @ 120°C | 15 mins @ 120°C 3 mins @ 150°C | Chemicals, Marine, Industrial |
| Simprex® 1355 1555 1755 | Vinyl Ester (Novalac) | E-Glass | Fabric and Stitched UD (200-650) | 170-220 | 16-20 | 1-2 @ 120°C | 15 mins @ 120°C 3 mins @ 150°C | Chemicals, Electronic |