| Comparison | Hand Lay Up | RTM | SMC/BMC |
| Molding Temperature/℃ | indoor temperature | 40-60℃ or indoor temperature | 130-150℃ |
| Molding Cycle | 1-4h | 5-30min | 1-15min |
| Production Efficiency（8h）/unit | 2–3 | 16–90 | 50–400 |
| Mold Type | FRP | FRP or metal | metal |
| Mold Cost（based on 1） | 1 | 2–4 | 5–10 |
| Product Surface | single surface shiny | both surface shiny | both surface shiny |
| Product Repeatability | Human factors have a greater impact | good | very good |
| Product Dimensional Accuracy | Human factors have a greater impact | good | very good |
| Ration between Resin and Fiber | Human factors have a greater impact | good | very good |
| Filler Content | high | low | high |
| Release Agent | external demoulding | both external and internal demoulding | internal demoulding |
| Pressure/MPa | contact pressure | 0.1–0.25 | 4–10 |
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We, Shanghai Olimy Co., Ltd. is the supplier for plastic injection molds&parts,carbon fiber parts,fiberglass products, including parts made via hand lay up, RTM, SMC(compression moulding) processes.