Polyethylene (PE) is one of the most widely used plastics in the world. It is a polymer made from the polymerization of ethylene (a hydrocarbon derived from petroleum or natural gas).
Key Properties:
- Lightweight and flexible
- Excellent chemical resistance
- Good electrical insulation
- Water-resistant
- Durable and tough
Types of Polyethylene:
- Low-Density Polyethylene (LDPE):
- Soft, flexible
- Used in plastic bags, film wraps
- High-Density Polyethylene (HDPE):
- Stronger and more rigid
- Used in bottles, containers, pipes
- Linear Low-Density Polyethylene (LLDPE):
- Strong with good flexibility
- Used in packaging films
Uses:
- Plastic bags and packaging materials
- Bottles and containers
- Pipes and tubing
- Household goods (buckets, toys)
- Insulation for wires and cables
Advantages:
- Low cost
- Easy to process
- Recyclable
Disadvantages:
- Non-biodegradable
- Environmental pollution if not managed properly
