| 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 |
With the development of the plastics injection molding industry, people have higher and higher req……
1.Low amount or active ingredient of curing agent and accelerator in hand lay up process. The amou……
Condition Description Reasons Solution 1 if there are too many small holes in the surface it ……
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.