Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

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Introduction

Properties of common gas materials are divided into following categories:

 

• Physical properties: Density, melting and boiling temperature.
• Mechanical Properties: Poisson's Ratio, bulk modulus, viscousity, kinematic viscousity.
• Acoustic Properties: Sound velocity.
 

  Note: 1. All properties are under 1 atm (1.01325×105 Pa; 760 mmHg; 14.6959 psi) and at room temperature 25 ºC (77 ºF) unless specified otherwise.
  2. Further information on a specific material can be obtained by clicking the name of that particular material in the following table.
  3. Users who prefer Standard or other unit systems rather than the SI units, click the amount (number) of the specific material property for unit conversion.
  4. Materials in different phases at room temperature: Solid, Liquid.
Basic Mechanical Properties
Material Bulk Modulus
(GPa)
Viscosity
(Pa-s)
Kinematic Viscosity
(m2/s)
Air (0 ºC, dry) - 0.0171 × 10-3 13.3 × 10-6
Air (25 ºC, dry) - 0.0179 × 10-3 14.6 × 10-6
Carbon Dioxide [CO2] (0 ºC) - 0.0138 × 10-3 -
Helium [He] (0 ºC) - 0.0186 × 10-3 -
Hydrogen [H2] (0 ºC) - 0.00840 × 10-3 -
Nitrogen [N2] (0 ºC) - 0.0166 × 10-3 -
Oxygen [O2] (0 ºC) - 0.0192 × 10-3 -
Glossary
Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.