High Impact Polystyrene (HIPS) Sheet

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Why choose High Impact Polystyrene (HIPS) Sheet?

High impact resistance
Smooth surface for easy printing and labelling
Lightweight and cost-effective
Easy to cut, bend, and thermoform
Available in a range of colours and thicknesses

HIPS Sheet – Lightweight, Printable & Impact-Resistant

HIPS (High Impact Polystyrene) Sheet is a tough, rigid plastic with excellent impact strength and an easy-to-print surface, making it perfect for signage, displays, point-of-sale stands, and packaging applications. Its smooth matte finish allows for high-quality digital and screen printing, while its low cost makes it a popular choice for short to medium-term use.

HIPS is also easy to cut, vacuum form, and fabricate, making it highly versatile for both industrial and creative applications.

Key Features:

Ideal for indoor signage, model making, retail displays, and more.

Technical Specifications

Polymer Type	High Impact Polystyrene (HIPS)
Density	~1.03–1.05 g/cm³
Water Absorption (24h @ 23°C)	< 0.1%
Tensile Strength	18–25 MPa
Tensile Modulus	1.6–2.1 GPa
Flexural Strength	30–45 MPa
Elongation at Break	30–60%
Continuous Service Temp	-20°C to +70°C
Vicat Softening Temp	~95°C
UV Resistance	Poor (UV stabilised grades available)
Weather Resistance	Poor (indoor use recommended)
Chemical Resistance	Poor to solvents, fair to acids/alkalis

Frequently Asked Questions

What is HIPS sheet and what is it used for?

HIPS (High Impact Polystyrene) sheet is a lightweight, impact-modified plastic commonly used for thermoforming and general fabrication. Typical applications include vacuum-formed parts, point-of-sale displays, signage, enclosures, refrigerator liners, and protective covers.

What are the key properties of HIPS sheet?

HIPS offers good impact resistance, easy formability, low cost, and a smooth surface finish. It is easy to print, cut, and thermoform. HIPS has lower chemical and heat resistance compared to engineering plastics and is best suited to low-stress applications.

Is HIPS sheet easy to thermoform and vacuum form?

Yes. HIPS is one of the easiest plastics to thermoform and vacuum form. It heats evenly, forms cleanly, and holds detail well, making it popular for prototypes, short-run production, and large formed parts.

Can HIPS sheet be machined or cut?

Yes. HIPS sheet can be cut, drilled, and routed using standard tools. It machines easily but is softer than materials like acrylic or acetal, so sharp tools and proper support are recommended to avoid chipping or melting.

Is HIPS sheet suitable for outdoor use?

Standard HIPS is not UV-stabilised and is not recommended for long-term outdoor exposure. Prolonged sunlight can cause brittleness and colour fading. For external use, UV-stabilised alternatives or protective coatings should be considered.

Applications