GPPS-TOTAL-TOTAL-1540

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SKU: GPPS-TOTAL-TOTAL-1540 Categories: , Tags: , , , ,

Description

POLYSTYRENE CRYSTAL 1540 is an easy flowing crystal polystyrene designed for extrusion or injection applications. In extrusion, it allows to increase extruder output and thermoforming cycle times when mixed with a high impact polystyrene such as POLYSTYRENE IMPACT 7240. Having high gloss, it is particularly suitable for glossy-layer co- extrusion. In injection moulding, POLYSTYRENE CRYSTAL 1540 with this low viscosity at high shear rate has a good injectability and combines an excellent fluidity with a higher softening point.

Main applications are dairy sheet, cups (dilution with impact polystyrene)

Injection: Boxes, office equipment – e.g. filing trays, CD boxes, pen bodies, internal fridge parts, toys, cups.

Characteristics

  Method Unit Value
Rheological properties      
Melt flow index (200°C-5kg) ISO 1133 H g/10mn 12
Thermal properties      
Vicat softening point 10N (T° increase = 50°C/h) ISO 306A50 °C 91
Vicat softening point 50N (T° increase = 50°C/h) ISO 306B50 °C 86
HDT unannealed under 1.8 MPa ISO 75-2A °C 73
HDT annealed under 1.8 MPa ISO 75-2A °C 83
Coefficient of linear thermal expansion   mm/°C 7.10 E-5
Mechanical properties      
Unnotched Charpy impact strength ISO 179/1eA KJ/m² 8
Tensile strength at break ISO 527-2 MPa 42
Elongation at break ISO 527-2 % 2
Tensile modulus ISO 527-2 MPa 3100
Flexural modulus ISO 178 MPa 2900
Rockwell hardness ISO 2039-2   L 70
Electrical properties      
Dielectric strength   kV/mm 135
Surface resistivity ISO IEC 93 Ohms >10 E+14
Miscellaneous      
Density ISO 1183 g/cm³ 1.05
Moulding shrinkage   % 0.4-0.7
Water absorption ISO 62 % <0.1

Specification: GPPS-TOTAL-TOTAL-1540

ALPHA

T

Group

GPPS

Class

GPPS

GRADE

TOTAL-1540

MFI

12

PROCESS

MOULDING

Country

China

Tds-Name

1540-EU-EN.pdf

Tds-Url

https://sourcechatapp-media.s3.ap-south-1.amazonaws.com/62d0feaeb5ecec1dd98fec5f/1540-EU-EN.pdf

D-Type

S

Brand

T>TOTAL

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