
Precision Engineering in Action
Quality craftsmanship in manufacturing & proven performance at customer sites

Continuous pulper for cup stock and Tetra Pak materials with excellent fiber treatment and PE/aluminum separation.

Quality craftsmanship in manufacturing & proven performance at customer sites
The CSTP Pulper is specifically designed for beverage carton and Tetra Pak recycling, efficiently separating fiber from PE and aluminum layers.
Operating at high consistency (12-16%), this specialized system handles polylaminate materials with contamination levels up to 12-15%, delivering superior fiber recovery from challenging feedstock.
Ideal for mills processing cup stock, Tetra Pak packaging, and other laminated paper materials requiring aggressive yet efficient fiber liberation.
Purpose-built for polylaminate recycling
Specifically engineered for beverage cartons and Tetra Pak with PE/aluminum layers
Efficiently liberates fiber from plastic and metal layers for maximum recovery
Aggressive rotor action delivers thorough fiber liberation from laminated materials
Processes materials with 12-15% contamination levels effectively

Efficient polylaminate fiber recovery process
Cup stock or Tetra Pak materials loaded into pulper vat
Aggressive rotor action breaks down laminated layers at high consistency
Fiber separates from PE and aluminum layers through mechanical action
Clean fiber exits through screen; contaminants removed separately

Specialized for challenging materials
Multi-layer beverage cartons with paper, PE, and aluminum
Disposable cups with PE or wax coatings
Various polylaminate paper products and containers
High-contamination paper stock requiring aggressive pulping
Key specifications and model availability
Sizes from 50 to 300+ TPD for various throughputs
Material-specific screen options for optimal separation
Pulper with auxiliaries and reject handling
Custom Solutions: Our engineering team can design a configuration tailored to your specific requirements.
Connect with our process experts to discover how CSTP Pulper can unlock value from your Tetra Pak and cup stock recycling operations.