DoverClear™
PFAS-Free Process Aids for Film & Sheet Extrusion
DoverClear™ is a line of PFAS-free and siloxane-free polymer process aids engineered to improve surface quality, eliminate melt fracture, and reduce gel formation in polyethylene film and sheet extrusion applications. Designed for modern polyolefin processing environments, DoverClear™ supports improved optical clarity and stable processing performance without the over-lubrication associated with conventional fluoropolymer-based process aids.
Why Choose DoverClear™
DoverClear™ helps film and sheet manufacturers improve extrusion performance, surface quality, and processing consistency while supporting PFAS-free formulation strategies. The technology is engineered to reduce melt fracture and gels without sacrificing throughput or optical performance across a broad range of polyethylene processing applications.
PFAS-Free Processing
Melt Fracture Elimination
Improved Optical Clarity
Siloxane-Free Technology
Broad Polyolefin Compatibility
Stable Throughput Performance
Where DoverClear™ Performs
DoverClear™ supports a broad range of film and sheet extrusion applications across polyethylene processing markets. The technology is compatible with multiple resin systems and helps manufacturers improve surface appearance, reduce gels, and maintain stable extrusion performance under demanding processing conditions.
Applications
- Blown Film Extrusion
- Cast Film Extrusion
- Sheet Extrusion
- Flexible Packaging
- Food Packaging
- PCR/PIR Film Processing
- Industrial Films
Functions
- Polymer Process Aid
- Melt Fracture Reduction
- Gel Reduction
- Surface Quality Enhancement
- Optical Clarity Improvement
- Processing Stability
- Extrusion Performance Optimization
Materials
- LLDPE
- LDPE
- HDPE
- Metallocene Polyethylene
- Ziegler-Natta Polyethylene
- Polyolefin Blends
- Recycled Polyolefins
Product Overview
DoverClear™ is a PFAS-free and siloxane-free polymer process aid platform developed for polyethylene film and sheet extrusion applications requiring improved surface quality and stable processing performance. The technology helps eliminate melt fracture, reduce gels, and improve optical clarity across a broad range of polyethylene systems, including metallocene and Ziegler-Natta resins.
Unlike conventional fluoropolymer-based process aids, DoverClear™ products are designed to deliver effective melt fracture control without excessive over-lubrication that can negatively impact throughput or processing stability. The product line is available as powder or masterbatch formulations and can be customized to support specific extrusion lines, resin systems, and processing requirements.
Melt Fracture & Surface Quality
DoverClear™ helps reduce melt fracture and surface defects commonly associated with high-shear polyethylene extrusion processes. The technology supports smoother film surfaces, improved appearance, and more consistent processing across blown film and sheet applications.
PFAS-Free Processing
Traditional polymer process aids are commonly based on fluoropolymers that fall under increasing regulatory and public scrutiny related to PFAS chemistry. DoverClear™ provides a PFAS-free and siloxane-free alternative designed for modern extrusion environments seeking improved regulatory alignment and long-term sustainability positioning.
Polyolefin Processing Compatibility
DoverClear™ products are proven across a broad range of polyethylene systems, including metallocene and Ziegler-Natta catalyzed resins and a wide range of melt indexes. The technology supports stable extrusion performance while maintaining optical and mechanical film properties.
Technical Overview
The following properties provide a general overview of the product’s physical characteristics and chemical profile.
| Property | Value |
|---|---|
| Product Family | PFAS-Free Polymer Process Aid |
| Primary Applications | Blown Film, Cast Film & Sheet Extrusion |
| Primary Functions | Melt Fracture Elimination, Gel Reduction, Surface Quality Improvement & Processing Stability |
| Key Benefits | PFAS-Free, Siloxane-Free, Improved Optical Clarity & Stable Processing |
| Product Portfolio | DoverClear™ Process Aid Technologies |
| Technical Support | Application-Specific Processing & Formulation Guidance |
Compliance & Performance Advantages
DoverClear™ supports PFAS-free polymer processing while helping manufacturers improve extrusion efficiency, reduce melt fracture, minimize gel formation, and maintain excellent film appearance and processing consistency. The technology is designed to deliver consistent processing performance across a broad range of polyethylene systems without fluoropolymer- or siloxane-based process aids.
Technical Resources & Supporting Documentation
Access technical documentation, regulatory information, and application resources. These materials are designed to help manufacturers evaluate performance, support formulation development, and streamline product qualification processes.
- Data Sheet
Explore Related Dover Products
Dover offers a broad portfolio of polymer additives designed to support stabilization, recycled-content processing, clarity enhancement, and demanding extrusion applications across a wide range of polyolefin systems.