DuPont RYNITE PET 940 is a 40% glass-reinforced PET developed for extrusion and injection molding products. DuPont provides a series of unique materials science, world-class production, innovative design and practical experience support for the plastics industry As the industry evolves, we drive market innovation with our extensive experience in polymer science and are committed to solving problems for our customers. Today, you need more than just materials from your suppliers, you need a resource to support your project from concept to Realization of business applications and other levels. DuPont is the ideal partner because our product performance and benefits are the vital resource that can help you further enhance your competitive advantage.
RYNITE 940 PET is a polyethylene terephthalate product developed by DuPont. The product has excellent mechanical properties and electrical insulation properties. DuPont is a leader in polyethylene terephthalate. Breakthrough material science is in line with the world, and DuPont Performance Polymers will achieve better together with customers. From product and process innovation to help businesses and society achieve a better future, we face huge challenges, performance is particularly important, including from finding renewable polymer raw materials derived from non-food biomass to reduce consumption of fossil fuels dependency. We work to drive sustainable development in the automotive industry through fuel efficiency in vehicles, increased productivity, connectivity to extensive communication networks, and progressive design in healthcare and furniture.
The following are the physical properties of DuPont RYNITE PET 940
Injection | Value | Unit | Test Standard | |
Drying Recommended | yes | – | – | |
Drying Temperature | ≥120 | °C | – | |
Drying Time, Dehumidified Dryer | 4 – 6 | h | – | |
Processing Moisture Content | ≤0.02[1] | % | – | |
Melt Temperature Optimum | 285 | °C | – | |
Min. melt temperature | 280 | °C | – | |
Max. melt temperature | 300 | °C | – | |
Max. screw tangential speed | 0.2 | m/s | – | |
Mold Temperature Optimum | 110 | °C | – | |
Min. mold temperature | 100 | °C | – | |
Max. mold temperature | 120[2] | °C | – | |
Hold pressure range | ≥80 | MPa | – | |
Hold pressure time | 4 | s/mm | – | |
Back pressure | As low as possible | – | ||
Ejection temperature | 170 | °C | – |
Drying temperature | 90.0 to 100.0°C | Drying time | 3.0 to 4.0hr |
Recommended Maximum Moisture Level | 0.010% | Hopper temperature | 20.0 to 30.0°C |
Barrel rear temperature | 220 to 280°C | Cylinder middle temperature | 200 to 270°C |
Cylinder front temperature | 200 to 260°C | Nozzle temperature | 200 to 280°C |
Processing (melt) temperature | 190 to 210°C | Mold temperature | 60.0 to 80.0°C |
Injection pressure | 49.0 to 98.0MPa | Injection Speed | Quick |
Pressure hold | 50.0 to 150MPa | Backpressure | 0.00 to 3.00MPa |
The following are the parameters of the American-DuPont plastic Rynite 940 physical properties table
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