Double Shaft Shredder: The Powerhouse for Tough, High-Volume Plastic Materials

When it comes to industrial recycling, not all shredders are created equal. Some are made for light-duty tasks—and then there’s Amstar’s double shaft shredder, engineered for serious volume and serious materials.
With dual high-torque shafts, SKD11 premium steel shear blades, and a rugged planetary drive system, this machine is built for maximum durability and throughput.

Let’s break down how it performs across a variety of challenging materials.

Shredding HDPE Plastics with Ease

High-density polyethylene (HDPE) is known for its toughness, but it’s no match for Amstar’s double shaft shredder.
Designed specifically for PP/HDPE rigid containers, the machine’s twin shafts shear, rip, and process these materials into uniformly sized chunks.

Why it excels:

  • High-torque drive ensures smooth, efficient shredding
  • Premium SKD11 blades slice through rigid plastic without strain
  • Output is consistent and ready for downstream processing

From bottle crates to thick containers, this shredder powers through with clean precision.

Taking On Children’s Safety Seats—Metal Parts Included

Children’s safety seats pose a unique challenge: they’re made of thick, molded plastic reinforced with fillers and embedded metal components. But Amstar’s shredder handles them with confidence.

Here’s how the process works:

  1. Load the seats into the hopper
  2. Dual shafts tear them apart piece by piece
  3. A magnetic separator removes metal fragments
  4. Plastic chunks continue on to recycling or further processing

The result? Efficient reduction of complex products, with minimized dust and maximum throughput.

Perfect for Large Bins, Tubes, Drums, and Other Bulky Plastics

Bulky plastic components—storage bins, signage tubes, large drums, rigid buckets—are exactly why two-shaft shredding exists.

With its robust frame, wide feed hopper, and durable shear blades, Amstar’s double shaft shredder effortlessly processes oversized items that would jam or overwhelm lighter machines.

Benefits for bulky materials:

  • Handles irregular shapes and large profiles
  • Produces manageable, uniform shredded pieces
  • Ideal for conveying, washing, or granulating lines

Whether you’re prepping materials for recycling or volume reduction, the shredder delivers consistent, ready-to-use output.

Power, Precision, and Productivity in One Machine

Amstar’s double shaft shredder is more than just a cutting system—it’s a reliable, high-capacity solution for diverse recycling operations. From tough HDPE plastics to complex safety seats and oversized bins, this machine is engineered to handle it all.

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