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RT31 | TPX

Manufacturer

Mitsui Chemicals, Inc.

Resin Name

Polymethylpentene

Product Name

TPX

ISO Material Code

-


Basic Properties

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PropertyDetailsInspection MethodsUnitValueNote

Density

Density/Mitsui Chemicals Method

Density (density gradient tube method/pellet)

Mitsui Chemicals Method

g/cm^3

0.833

-

Water absorption

Water absorption/ISO 62

Water absorption (corner plate (1mm thick))

ISO 62

%

0.01

-



Thermal Properties

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PropertyDetailsInspection MethodsUnitValueNote

Vicat softening temperature

Vicat softening temperature/ISO 306

Vicat softening temperature (load: 10N, heating rate: 50℃/h/dumbbell piece (4mm))

ISO 306

167

-

Deflection Temperature under Load

Deflection Temperature under Load/ISO 75

Deflection temperature under load (load: 0.45 MPa, heating rate 120°C/h/dumbbell piece (4 mm))

ISO 75

90

-

Melting point

Melting point/Mitsui Chemicals Method

Melting point (DSC method, heating rate: 10℃/min/pellet)

Mitsui Chemicals Method

232

-



Mechanical Properties

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PropertyDetailsInspection MethodsUnitValueNote

Tensile Yield Stress

Tensile Yield Stress/ISO 527

Yield stress (speed: 5mm/min/dumbbell piece (4mm))

ISO 527

MPa

24

-

Yield stress (speed: 50mm/min/dumbbell piece (4mm))

ISO 527

MPa

29

-

Tensile breaking stress

Tensile breaking stress/ISO 527

Breaking stress (speed: 5mm/min/dumbbell piece (4mm))

ISO 527

MPa

17

-

Tensile strain at break

Tensile strain at break/ISO 527

Breaking elongation (speed: 5mm/min/dumbbell piece (4mm))

ISO 527

%

60

-

Breaking elongation (speed: 50 mm/min/dumbbell piece (4 mm))

ISO 527

%

27

-

Tensile Modulus

Tensile Modulus/ISO 257

Tensile modulus (speed: 2 mm/min/dumbbell piece (4 mm))

ISO 257

MPa

1350

-

Bending strength

Bending strength/ISO 178

Bending strength (speed: 2mm/min/dumbbell piece (4mm))

ISO 178

MPa

40

-

Flexural modulus

Flexural modulus/ISO 178

Flexural modulus (speed: 2 mm/min/dumbbell piece (4 mm))

ISO 178

MPa

1530

-

Izod impact strength

Izod impact strength/ISO 180 (Part 1 of Mitsui Chemicals)

IZ impact test (with notch/dumbbell piece (4mm))

ISO 180 (Part 1 of Mitsui Chemicals)

kJ/m^2

2

-

IZ impact test (unnotched/dumbbell piece (4mm))

ISO 180 (Part 1 of Mitsui Chemicals)

kJ/m^2

6

-

Surface hardness

Surface hardness/ISO 2039

Rockwell Hardness

ISO 2039

HRR Scale

78

-



Electrical Properties

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PropertyDetailsInspection MethodsUnitValueNote

Volume resistivity

Volume resistivity/IEC 60093

Volume resistivity (square plate (2 mm thick))

IEC 60093

Ω・cm

NaN

>Lower limit

Dielectric constant

Dielectric constant/IEC 60250

Dielectric constant (1MHz/square plate (2mm thick))

IEC 60250

2.12

-

Dielectric Strength

Dielectric Strength/IEC 60243-1

Dielectric breakdown voltage (square plate (2 mm))

IEC 60243-1

kV/mm

29

-



Optical Properties

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PropertyDetailsInspection MethodsUnitValueNote

Haze

Haze/ISO 14782

Full haze (light source: D65/square plate (2mm thick))

ISO 14782

%

2.4

-

Total light transmittance

Total light transmittance/ISO 14782

Total light transmittance (light source: D65/angle plate (2mm thick))

ISO 14782

%

93

-

Refractive index

Refractive index/ISO 489

Refractive index (light source: D-line/square plate (2 mm thick))

ISO 489

1.462

-



Building Properties

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PropertyDetailsInspection MethodsUnitValueNote

Mold shrinkage (MD)

Mold shrinkage (MD)/Mitsui Chemicals Method

Mold shrinkage rate (injection square plate (2mm thick) MD)

Mitsui Chemicals Method

%

1.6

-

Mold shrinkage (TD)

Mold shrinkage (TD)/Mitsui Chemicals Method

Molding Shrinkage (Injection Corner Plate (4mm Thick) TD)

Mitsui Chemicals Method

%

1.3

-

MFR

MFR/Mitsui Chemicals Method

MFR (load: 5kg, test humidity: 260℃/pellet)

Mitsui Chemicals Method

g/10min

21

-



Color

Transparent

Main Applications

Injection molded products, food-grade products (Japan, USA, EU, China)

Key Features

Heat resistance, releasability, transparency, chemical resistance, lightweight, low dielectric, high rigidity


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