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DuPure TT 79 V is a controlled rheology modified heterophasic high impact polypropylene copolymer (produced with a phthalate-free catalyst). The product shows an excellent fluidity combined with an advanced nucleation system, resulting in fast cycle-times and a high dimensional stability.

Polymer Name: Polypropylene Block Copolymer (PP Block Copolymer)

Melt Flow Index: 25.0 - 25.0 g/10 min

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Identification & Functionality

Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Applications

DuPure TT 79 V is suitable for: thin-walled packaging, buckets, house wares.

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Melt Flow Rate (230 °C / 2.1625g/10 minISO 1133
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Modulus (1 mm/min)1060MPaISO 527-2
Tensile Stress at Yield (50 mm/min)21MPaISO 527-2
Tensile Strain at Yield (50 mm/min)7%ISO 527-2
Tensile Strain at Break (50 mm/min)min. 50%ISO 527-2
Charpy Impact Strength, notched (+23 °C)17kJ/m2ISO 179/1eA
Charpy Impact Strength, notched (0 °C)8kJ/m2ISO 179/1eA
Charpy Impact Strength, notched (−20 °C)6kJ/m2ISO 179/1eA
Charpy Impact Strength, unnotched (+23 °C)No BreakkJ/m2ISO 179/1eU
Charpy Impact Strength, unnotched (0 °C)190kJ/m2ISO 179/1eU
Charpy Impact Strength, unnotched (−20 °C)160kJ/m2ISO 179/1eU
Izod Impact Strength, notched (+23 °C)15kJ/m2ISO 180/1A
Izod Impact Strength, notched (0 °C)8kJ/m2ISO 180/1A
Izod Impact Strength, notched (−20 °C)5kJ/m2ISO 180/1A
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Point, DSC165°CISO 3146
Heat Deflection Temperature (1.8 MPa)52°CISO 75-2
Heat Deflection Temperature (0.45 MPa)85°CISO 75-2
Vicat Softening Temperature (10 N)145°CISO 306
Vicat Softening Temperature (50 N)58°CISO 306
Other Properties
ValueUnitsTest Method / Conditions
Density0.91g/cm3ISO 1183

Regulatory & Compliance

Packaging & Availability

Regional Availability
  • Europe