Recycled Resin Mold Materials

Recyclable resin mold materials can shorten the production time of models and molds, reduce the production costs of models and molds, and improve the processing accuracy of models and molds. Moreover, they have promoted the rapid development of the model and mold industry.

There are mainly two categories: epoxy resin and polyurethane mold materials. They are characterized by high dimensional stability, rigidity, impact toughness, hardness, as well as good processing performance, heat resistance, surface properties, and corrosion resistance. They are relatively light in weight, convenient for manufacturing, modification, or repair, and can be processed faster at a lower cost. This not only shortens the mold production time and reduces the mold production cost but also improves the mold processing accuracy.

They can be widely used in aerospace, machinery, automobiles, home appliances, rubber and plastic processing, and civil fields. For example, they are used in aircraft sheet metal part tooling molds, new car model production, automotive part inspection fixture manufacturing, tire mold base mold manufacturing, wind turbine blade manufacturing for wind power generation, sole base mold manufacturing in the footwear industry, trial - cutting materials for high - precision parts, and high - precision ship model manufacturing.

However, since resin molds are thermosetting polymer materials (network - structured), the discarded scraps or waste molds cannot be disposed of, causing significant environmental pollution and resource waste at the same time.

Our company has developed a preparation technology and products of a recyclable epoxy - polyurethane semi - interpenetrating network resin (EPU semi - IPNs) mold material using epoxy resin or polyurethane mold material scraps or waste molds as raw materials.