Shenzhen Alu Rapid Prototype Precision Co., Ltd.

No, traditional injection molding of pure molten glass is not feasible in standard processes. Glass typically requires melting at extremely high temperatures (often over 1000–2000°C depending on the type), which exceeds the capabilities of conventional injection molding machines designed for plastics (operating around 100–300°C). This would cause severe equipment corrosion, energy inefficiency, and practical limitations.

However, innovative techniques have made a form of glass injection molding possible:

1.A breakthrough process developed by researchers (e.g., at the University of Freiburg) and commercialized by companies like Glassomer uses a special silica nanocomposite material (pellets combining fine silica glass particles with a polymer binder).

2.This material can be injection molded on standard plastic injection molding machines at low temperatures (~130°C), enabling fast, high-throughput production of complex shapes in seconds.

3.After molding, the part undergoes debinding (removing the polymer, often in water or low-heat) and sintering (heating to fuse the silica particles), resulting in pure, transparent fused silica (quartz) glass.

This yields high-quality, optical-grade glass components with excellent surface finish, often without needing polishing.This method is energy-efficient (potentially reducing energy use by over 40–60% compared to traditional glass melting), cost-effective for mass production, and suitable for applications like optics, microfluidics, lab-on-a-chip devices, sensors, and medical technology.For comparison, the established method for precision glass optics is precision glass molding (PGM), a high-temperature compression molding process using molten glass preforms pressed in specialized molds—not true injection molding.

In summary, while you can't directly injection mold pure glass like plastic, modern composite-based approaches effectively enable "glass injection molding" with post-processing to achieve the final glass part.