HDPE, PETG, PP, PVC, ABS, HIPS vacuum forming material specifications,  vacuum forming, material specifications, ABS HIPS HDPE PETG PP PVC, toolcraft
General vacuum forming material specifications  (Download in Word Format)

This vacuum forming material guide lists the most common vacuum forming material types available & their specifications - all of which we can vacuum form for you.


General vacuum forming material 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
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)
For more vacuum forming / moulding help view our moulding or vacuum forming material selection guides