Colour EPS
Premium Custom-Coloured Expandable Polystyrene for Packaging, Helmets & Creative Applications
Colour EPS (Expandable Polystyrene)
Our Colour EPS is engineered to combine functionality with creative design possibilities. Manufactured from high-quality polystyrene resin with pigments or masterbatch colourants added during production, our Colour EPS delivers rich, long-lasting colours, exceptional durability, and straightforward processing — helping your products stand out visually while meeting strict performance requirements.
Technical Specifications — Colour EPS
Typical Properties
| Item | Standard | Technical Requirement | Typical Value |
|---|---|---|---|
| Shape | — | Ellipsoid or spherical | Spherical |
| Colour | — | Custom | Per order |
| Blowing agent content (%) | QB/T 4009-2010 | 5.0 – 7.0 | 5.2 – 5.7 |
| 95 % particle size range (mm) | QB/T 4009-2010 | 1.0 – 2.0 | 1.0 – 1.6 |
| Thermal conductivity (W/m·K) | GB/T 10295-2008 | ≤ 0.032 | 0.030 |
| Oxygen index (%) | GB/T 2406.2-2009 | ≥ 30 | 31 |
| Compressive strength (kPa) @ 20 kg/m³ | GB/T 8813-2008 | ≥ 100 | 120 |
| Dimensional stability (%) | GB/T 8811-2008 | ≤ 3 | 0.17 |
| Water vapour transmission (ng/Pa·m·s) | GB/T 2411-1998 | ≤ 4.5 | 3.5 |
| Water absorption by volume (%) | GB/T 8810-2005 | ≤ 4 | 2.9 |
| Bending load at break (N) | GB/T 8812.1-2007 | ≥ 25 | 37 |
Key Features & Benefits
Combining aesthetic appeal with industrial-grade performance.
Rich, Long-Lasting Colours
Pigments added during production deliver vibrant, consistent colouration that remains fade-resistant throughout the product's life.
Exceptional Durability
Maintains the same compressive strength and structural performance as standard EPS grades, even in demanding environments.
Easy Processing
Processes on standard EPS equipment with no modifications required — retaining familiar expansion, moulding, and finishing workflows.
Visual Brand Distinction
Custom colours allow manufacturers to integrate material performance with visual branding in a single step.
Grade Identification
Colour-coded beads simplify grade management on production lines, reducing sorting errors and improving quality control.
Creative Applications
Unlocks decorative, display, and artistic uses beyond traditional EPS applications — from exhibition props to themed packaging.
Why Choose Our Colour EPS?
Beyond meeting functional requirements, our Colour EPS brings aesthetic appeal and brand distinction to your products. With our custom colour solutions, you can integrate material performance with visual branding in one step.
Looking for sustainable alternatives?
Explore our eco-friendly R-EPS — made from 100 % recycled polystyrene for packaging, helmets, and speciality applications.
Need Custom-Coloured EPS?
Contact us with your colour requirements and we will provide samples, technical data, and competitive pricing for your project.