High Impact Polystyrene - HIPS

Polymer Type

Thermoplastic

Advantages

Tougher than polystyrene.  Cheap.  Easily processed.

Disadvantages

Reduced electrical properties.  Reduced transparency.  Increased moisture absorption.

Typical Properties

Property

Value

Density (g/cm3) 1.08

 

Surface Hardness

RM30

Tensile Strength (MPa)

42

Flexural Modulus (GPa)

2.1

Notched Izod (kJ/m)

0.1

Linear Expansion  (/°C x 10-5)

7

Elongation at Break (%)

2.5

Strain at Yield (%)

1.8

Max. Operating Temp. (°C)

50

Water Absorption (%)

0.2

Oxygen Index (%)

18

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

16

Dielectric Strength (MV/m)

15

Dissipation Factor 1kHz

0.0006

Dielectric Constant  1kHz

2.8

HDT @ 0.45 MPa (°C)

85

HDT @ 1.80 MPa (°C)

75

Material. Drying  hrs @ (°C)

2 @ 70

Melting Temp. Range (°C)

210 - 270

Mould Shrinkage (%)

0.5

Mould Temp. Range (°C)

20 -  50

Applications

As for Polystyrene for quality goods e.g. toys, household appliances, cases, boxes, and calculators, computer housings.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
Your comment type
Submit
Azthena logo

AZoM.com powered by Azthena AI

Your AI Assistant finding answers from trusted AZoM content

Your AI Powered Scientific Assistant

Hi, I'm Azthena, you can trust me to find commercial scientific answers from AZoNetwork.com.

A few things you need to know before we start. Please read and accept to continue.

  • Use of “Azthena” is subject to the terms and conditions of use as set out by OpenAI.
  • Content provided on any AZoNetwork sites are subject to the site Terms & Conditions and Privacy Policy.
  • Large Language Models can make mistakes. Consider checking important information.

Great. Ask your question.

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.