Flame-Retardant PPSU R-7700 for Aerospace Interiors
Product Struction
PPSU R-7700 is a high-performance polystyrene sulfone (PPSU) material available in a variety of colors and in both granular and sheet form for extrusion and thermoforming processes. The material has flame retardant properties and complies with plate and profile grade application standards to meet stringent safety and quality requirements.
The material characteristics of PPSU R-7700 include low toxicity, detergent resistance, ease of processing, high toughness and low smoke emissions, which make it exhibit excellent stability and durability in harsh environments. These characteristics make it ideal for aerospace and aircraft manufacturing, especially for demanding applications such as aircraft interiors.
With its superior performance, the PPSU R-7700 provides the aerospace industry with reliable material solutions that ensure product safety, durability and efficient manufacturing.
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| Mechanical behavior | Condition | Standard | Value | Unit | |||
| Elongation | Break 3.2mm | ASTM D638 | 15 | % | |||
| Flexural | Strength 3.2mm | ASTM D790 | 100 | MPa | |||
| Flexural | Modulus 3.2mm | ASTM D790 | 2340 | MPa | |||
| Gardner | Impact 3.2mm | BS 7271 | 31.1 | J | |||
| Izod | Notch Impact 3.2mm | ASTM D256 | 130 | J/m | |||
| Izod | Un-notch Impact 3.2mm | ASTM D4812 | NB | ||||
| Tensile | Modulus 3.2mm | ASTM D638 | 2280 | MPa | |||
| Tensile | Strength 3.2mm | ASTM D638 | 58.6 | MPa | |||
| Optical performance | Condition | Standard | Value | Unit | |||
| Maximum | specific optical density 4.0min | 3.0 | Ds | ||||
| Physical property | Condition | Standard | Value | Unit | |||
| Density | ASTM D792 | 1.34~1.42 | g/cm³ | ||||
| Water | Absorption 24hr | ASTM D570 | 0.35 | % | |||
| Thermal | Condition | Standard | Value | Unit | |||
| HDT | Unannealed 1.8MPa 3.2mm | ASTM D648 | 202 | °C | |||
| Heat | Release 65kW/m2 1.52mm~3.18mm | FAR 25.853 | 20 | kW-min/m² | |||
| Heat | Release 65kW/m2 1.52mm~3.18mm Peak | FAR 25.853 | 55 | kW/m² | |||
