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Polystyrene (PS)

Name: پلی استایرن (PS) | مشخصات، کاربردها، مزایا و معایب + جدول فنی
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Polystyrene (PS)

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Polystyrene (PS)

category : polymer
tag : polymer
Production date : 24 اسفند 1403
Dimensions :
type : پلی استایرن PS
comments count : 0
price : 1,256 Toman
off : 5%

Product Description

Polystyrene (PS) – Properties, Applications, and Types

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Polystyrene (PS) Sheet, Rod & Foam | Properties, Types & Applications

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Explore detailed information about Polystyrene (PS), including its types, advantages, disadvantages, and uses in packaging, appliances, and insulation. High-quality PS sheets, rods, and foams by Shamesh Plastic Azadi.

Short Description:

Polystyrene (PS) is a transparent, hard, and cost-effective thermoplastic polymer widely used in consumer goods, packaging, and insulation. Available in sheet, rod, and foam forms.

Introduction to Polystyrene (PS)

Polystyrene (PS) is one of the most commonly used plastic polymers in the world due to its affordability, ease of molding, and excellent clarity. It belongs to the family of vinyl polymers and is composed of a long hydrocarbon chain with phenyl groups attached to every other carbon atom. This structure grants PS its rigidity, clarity, and insulating properties.

At Shamesh Plastic Azadi, we manufacture and supply high-quality general-purpose polystyrene (GPPS) and expanded polystyrene (EPS) in various sizes and forms such as sheets, rods, and foam.

Technical Specifications of Polystyrene

Property	Value
Chemical Formula	(C8H8)ₙ
Density	1.05 g/cm³
Melting Point	~240°C (glass transition ~100°C)
Tensile Strength	30–60 MPa
Water Absorption	Very low
Thermal Conductivity	0.03–0.04 W/m·K
Electrical Insulation	Excellent
Light Transmission	Up to 90% (in GPPS)
Flammability	Non-flammable (self-extinguishing in some grades)
Color Availability	Transparent, white, and custom colors
Available Forms	Sheet, rod, foam (EPS, XPS), film

Types of Polystyrene (PS)

Type	Description
GPPS (General Purpose PS)	Clear, rigid, and brittle; used in disposable cutlery, CD cases, etc.
HIPS (High Impact PS)	Blended with rubber for increased toughness; used in appliance housings
EPS (Expanded PS)	Foam material; excellent for insulation and packaging
XPS (Extruded PS)	Denser, closed-cell foam with superior insulation for construction

Advantages of Polystyrene

🔍 Excellent Transparency: GPPS allows ~90% light transmission, ideal for display and packaging.
🎨 Colorability: Easily dyed in vibrant colors.
🧯 Non-Flammable: Certain grades offer self-extinguishing properties.
📏 Dimensional Stability: Maintains shape well over time and under moderate conditions.
🧪 Good Electrical Insulation: Suitable for low-voltage applications.

Disadvantages of Polystyrene

🌦 Low Weather Resistance: Degrades under prolonged UV and environmental exposure.
🔥 Poor Heat Resistance: Not suitable for high-temperature applications (>100°C).
🧱 Brittleness in GPPS: Requires careful handling or impact modification (use HIPS for toughness).
🌍 Environmental Concern: Difficult to biodegrade; recycling options should be considered.

Applications of Polystyrene

🧃 Disposable Products: Cups, plates, containers, and food packaging.
💻 Appliance Housings: Computer casings, TV frames, and kitchen equipment shells.
🧸 Toys and Hobby Materials: Models for cars, airplanes, and other educational kits.
🧊 Insulation: EPS/XPS foams are widely used in thermal insulation for buildings.
📦 Packaging: Shock-absorbent foam for electronics, furniture, and medical supplies.

Why Choose Polystyrene from Shamesh Plastic Azadi?

✅ High clarity, consistent quality sheets and rods
✅ Multiple grades (GPPS, EPS, HIPS) available
✅ Custom dimensions and colors
✅ Competitive pricing and fast delivery
✅ Ideal for prototyping, packaging, and industrial production

Frequently Asked Questions (FAQs)

❓ What is the main difference between GPPS and HIPS?

GPPS is clear and brittle, while HIPS is opaque but impact-resistant due to rubber content.

❓ Can polystyrene be used outdoors?

Standard PS has poor UV resistance; outdoor use requires UV-stabilized or alternative materials.

❓ Is polystyrene safe for food packaging?

Yes, food-grade GPPS and EPS are widely used for food containers and packaging.

❓ Is polystyrene recyclable?

Yes, PS can be recycled, although local recycling options may vary.

❓ What are the available forms of PS from Shamesh Plastic Azadi?

We offer sheets, rods, films, and EPS foams in various dimensions.

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