Specifications of vacuum forming plastics (Download in Word Format)
To give you help with vacuum forming plastics for your application, this material guide lists the most common vacuum forming plastics available & their specifications - all of which we can vacuum form for you.
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General vacuum forming
plastics - specifications when in sheet form abs = acrylonitrile butadiene styrene cond. = conductive hdpe = high density polyethylene hips = high impact/polystyrene petg = polyethyleneterephthalate glycol pp = polypropylene pvc = polyvinyl chloride uvs = ultra violet stable |
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| specifications | abs | abs (f/r) | hdpe | hips |
| Density (specific gravity) | 1.08 g/cm³ | 1.24 g/cm³ | 0.96 g/cm³ | 1.06 g/cm³ |
| Izod notched impact strength @ 23°c | 400-420 j/m | 160-200 j/m | 16 kj/m² | 15.0 kj/m² |
| Izod notched impact strength @ -20°c | 230-280 j/m | 60-70 j/m | DNS | DNS |
| Vicat softening temperature | 97-101°c | 88-92°c | 125°c | 97°c |
| Heat deflection temperature | 80-84°c | 76-80°c | 90°c | 75-78°c |
| Tensile strength | 30-40 MPa | 40-45 MPa | 23 N/mm² | 20 MPa |
| Flexural modulus | 2.0-2.2 GPa | 2.0-2.5 GPa | DNS | 1.7-1.8 GPa |
| Flammability rating | HB | UL94 V0 | HB | HB |
| Forming Temperature | 140-190°c | 140-190°c | 145-160°c | 120-140°c |
| Melt flow index | 6.0 g/10min | 22.0 g/10min | 0.4-1.0 g/10min | 4.5 g/10min |
| Mould shrinkage (linear) | 0.4-0.7% | 0.5-0.7% | 2.0-3.5% | 0.4-0.7% |
| specifications | hdpe cond. | hips cond. | pp | pvc |
| Density (specific gravity) | 1.04 g/cm³ | 1.13 g/cm³ | 0.91 g/cm³ | 1.37 g/cm³ |
| Izod notched impact strength @ 23°c | 27 kj/m² | 10 kj/m² | 40 kj/m² | DNS |
| Izod notched impact strength @ -20°c | 13 kj/m² | 2 kj/m² | DNS | DNS |
| Vicat softening temperature | 127°c | 93°c | 70°c | 76-76°c |
| Heat deflection temperature | 56°c | 81°c | 80°c | 67°c |
| Tensile strength | 29 MPa | 20 MPa | 29-31 N/mm | 51-55 N/mm² |
| Flexural modulus | 820 MPa | 2100 MPa | 25-27 N/mm² | DNS |
| Flammability rating | HB | HB | HB | Class 1 |
| Forming Temperature | DNS | DNS | 155-175°c | 110-190°c |
| Melt flow index | 6 g/10 min-1 | DNS | 0.3-1.0 g/10min | DNS |
| Mould shrinkage (linear) | 1.4-1.6% | DNS | 1.5-2.0% | 0.4-0.7% |
| Volume resistivity | < 10³ | 10³ | N/A | N/A |
| Surface resistivity | 104 | 104 | N/A | N/A |
| Hardness shore A/D | 98/65 | 99/73 | DNS | DNS |
| specifications | hi/ps clear | hips uvs | petg (@3mm) | KEY & NOTES |
| Density (specific gravity) | 1.03 g/cm³ | 1.02 g/cm³ | 1.27 g/cm³ | These
material specs should be used as a guide (DNS=Data not) (supplied by) (mat'l. supplier) |
| Izod notched impact strength | 2.3 j/m | 120 j/m | 88 j/m | |
| Vicat softening temperature | 90°c | 97°c | 83°c | |
| Heat deflection temperature | 71°c | DNS | 74°c | |
| Tensile strength | 26.4 MPa | 23 MPa | 26 MPa @break | |
| Flexural strength | 63 MPa | 32 MPa | 77 MPa | |
| Falling dart impact strength | DNS | 50.5 j | DNS | |
| Flammability rating | DNS | DNS | HB (V2>3.2mm) | |
