PST HIPS – High Impact Polystyrene
PST HIPS is a cost-effective, impact-resistant plastic sheet that is easy to thermoform, machine, print, paint and bond. It is suited to indoor signage, displays, prototypes and low-strength structural applications.
High Impact Polystyrene, or HIPS, is a low-cost, tough plastic that is easy to thermoform and fabricate.
HIPS can be used where ease of fabrication is essential. It is frequently specified for low-strength structural applications where impact resistance, machineability and affordability are required.
The material is commonly used for machining pre-production prototypes because it offers excellent dimensional stability and is easy to fabricate, paint and glue.
Main Features
- For indoor application ONLY
- High impact strength
- Good machine-ability
- Easy to glue, paint, and print
- Outstanding thermoforming characteristics
- Can be silk screened, die cut, thermoformed
- Inexpensive
- Can be folded into shapes and silk-screened
- Absorbs very little moisture
- Odourless and tasteless
- Impact resistant
- Not suitable for use outside
| Properties | Test Method | Unit | Value |
|---|---|---|---|
| Melt Volume Rate MVR 200/5 | ISO 1133 | cm³ / 10min | 4.3 |
| Tensile Stress at Yield | ISO 527 | Mpa | 21 |
| Elongation at Break | ISO 527 | % | 50 |
| Tensile Modulus | ISO 527 | Mpa | 1600 |
| Flexural Strength | ISO 178 | Mpa | 32 |
| Charpy Impact Strength (+23°C) | ISO 179 1eU | KJ/m² | NB⁴ |
| Charpy Impact Strength (-30°C) | ISO 179 1eU | KJ/m² | 120 |
| Charpy Notched Impact Strength (+23°C) | ISO 179 1eA | KJ/m² | 10 |
| Izod Notched Impact Strength (+23°C)² | ISO 180 | KJ/m² | 10 |
| Rockwell Hardness (L-Scale) | ASTM D 785 | - | 44 |
| Vical Softening Temperature (VST/B/50)³ | ISO 306 | °C | 90 |
| Heat Distortion Temperature (0,45 Mpa) | ISO 75 | °C | 88 |
| Volume Resistivity | IEC 6093 | Ω cm | >10¹⁴ |
| Flammability (according to UL-Standard) | UL 94 | class | 94 HB |
| Density | ISO 1183 | g/cm³ | 1.05 |
| Water Absorption | ISO 62 (Method A) | % | <0.1 |
| Mould Shrinkage | - | % | 0.4 – 0.7 |
| Melt Temperature for Injection-Moulding | - | °C | 180 – 260 |
| Mould Temperature for Injection-Moulding | - | °C | 10 – 60 |
| Melt Temperature for Extrusion | - | °C | 180 – 240 |
| Colour: Colourless (n); Blue (c) | - | - | n |
| Additional Property | Specification |
|---|---|
| Product Characteristics | ESCR; High-impact Strength; High Stiffness; Good Low & High Temp. Resistance |
| Product Application | Extrusion sheet for refri. liner for especially thin & other ESCR requirement sheets |
Specifications are subject to change without prior notice. All test specimens have been injection moulded with a melt temperature of 245°C and a mould temperature of 45°C. Injection moulded specimens according to current ISO standard. Measured in glycerol. NB = No break.
MAECENAS IACULIS
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