Famous PC Sheet Manufacturers & Products

High-Efficiency Extrusion Lines for Industrial-Grade Sheets, Films, & Structural Boards

Featured Extrusion Line Products

High-Quality TPU TPE Leather composite Extruder Line

High-Quality TPU TPE Leather composite Extruder Line

Designed for premium composite synthetic leather production featuring high-speed lamination and excellent polymer layering.

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Famous ASA cast Film Extrusion Line

Famous ASA cast Film Extrusion Line

Highly weather-resistant co-extrusion technology for architectural panels, roof tiling, and outdoor structural protection.

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Famous PVB Wedge Film Extrusion Line

Famous PVB Wedge Film Extrusion Line

Advanced PVB wedge film line for automotive HUD wind-shields requiring variable-thickness control technology.

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Best PCTG Decorative Film Extrusion Line

Best PCTG Decorative Film Extrusion Line

Eco-friendly decorative surface solution featuring high-clarity crystallization resistance and easy structural embossing.

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China PC flame retardant sheet extrusion line

China PC Flame Retardant Sheet Extrusion Line

Specially formulated polycarbonate sheet manufacturing lines for UL94 V0 rating construction materials.

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Best PC Hollow Sun Board Extrusion Line

Best PC Hollow Sun Board Extrusion Line

Innovative multi-wall sheet designs (H-profile, X-profile) providing unmatched thermal insulation for greenhouses.

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Famous PET stretch film extrusion line

Famous PET Stretch Film Extrusion Line

High-speed, high-tensile stretch film manufacturing line ensuring excellent chemical stability and transparency.

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Famous PP Hollow Lattice Board Extrusion Line

Famous PP Hollow Lattice Board Extrusion Line

Optimized for lightweight packaging, reusable container boxes, and eco-friendly protective panels.

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Advanced PC & PMMA Polycarbonate Extrusion: The Industrial Whitepaper

Polycarbonate (PC) and Polymethyl Methacrylate (PMMA) sheets represent the pinnacle of modern polymer engineering. Due to their outstanding impact resistance, high optical clarity, and thermal stability, these products have become standard materials across several industries, from solar encapsulations to ballistic glazing. However, manufacturing these high-specification sheets requires deep-domain expertise in co-extrusion technology, moisture extraction, and precise thickness calibration.

This whitepaper dissects the critical variables involved in configuring a world-class PC extrusion line. It provides detailed engineering answers to the challenges commonly faced by purchasing managers, production engineers, and factory operators worldwide.

The Technical Evolution: Solid Sheet vs. Multi-Wall Hollow Sheet

Modern PC production is categorized into two distinct technological processes based on target structural behavior:

  • 1Solid PC Optical/Flame Retardant Sheets: Engineered for absolute transparency, bullet-proof impact resistance, and specialized flame retardancy. This line leverages high-precision T-dies and multi-roll calenders to output pristine sheets with thickness deviations minimized to < 0.01mm.
  • 2Multi-Wall/Hollow Sun Board Sheets: Structured with dual-wall, triple-wall, or X-profiles to trap air within the cell matrices. This design provides maximum thermal insulation (low U-value) while minimizing material weight—ideal for canopy glazing and commercial greenhousing.

Precision Calibrator Parameters

To produce optical-grade PC sheets, GWELL designs custom-vented twin-screw systems that eliminate moisture-related defects without requiring complex pre-drying procedures.

  • L/D Ratio: High L/D (32:1 to 38:1) ensuring absolute melt homogenization.
  • Venting System: Multi-point vacuum degassing to prevent hydrolytic degradation.
  • Calendering Design: Three-roll and vertical/inclined configurations for continuous optical surface replication.
  • UV Co-Extrusion Layer: Precision feedblocks apply a uniform 50-micron UV-protection layer to block solar degradation.
3
Production Bases
866K+
Construction Area (㎡)
500+
Expert Employees
1000+
Annual Line Capacity

Classified Extrusion Portfolios

Explore our diverse technology sectors, spanning Cast Film Lines, Board Extrusion Systems, specialized Industrial Sheet Equipment, and Solar/Renewable Energy Encapsulation lines.

Cast Film Extrusion Lines

ASA cast Film Extrusion Line

ASA Cast Film Extrusion Line

GWELL Machinery Co., Ltd. proudly presents this high-performance line designed for co-extruding decorative protective layers.

TPU Laminating film Extrusion Line

TPU Laminating Film Extrusion Line

Produces thin, durable TPU laminating films for textile, industrial, and medical coatings.

TPU Cast Film Extrusion Line

TPU Cast Film Extrusion Line

Versatile and highly automated extrusion line optimized for producing flexible thermoplastic polyurethane films.

PVDF cast Film Extrusion Line

PVDF Cast Film Extrusion Line

Ideally suited for producing weather-proof solar panel backsheets and chemical-resistant protective coatings.

PVB Wedge Film Extrusion Line

PVB Wedge Film Extrusion Line

A significant advancement in automotive safety glass component manufacturing.

PVB interlayer film extrusion line

PVB Interlayer Film Extrusion Line

Integrates cutting-edge temperature controls with robust winding gear for architectural acoustic glass laminations.

PVA Water Soluble Film Extrusion Line

PVA Water Soluble Film Extrusion Line

Specialized packaging film machinery tailored for biodegradable unit-dose products and laundry pods.

PI Cast Film Extrusion Line

PI Cast Film Extrusion Line

Produces ultra-high-temperature polyimide film for high-performance aerospace and electronics applications.

PEVA Cast Film Extrusion Line

PEVA Cast Film Extrusion Line

Ensures perfect polymer dispersion for soft, eco-friendly shower curtains and medical sheet liners.

PETG Decorative Film Extrusion Line

PETG Decorative Film Extrusion Line

Optimized for furniture laminates requiring zero halogen output and rich visual depth.

Board Extrusion Lines

PVC SPC WPC board extrusion line

PVC SPC WPC Board Extrusion Line

A comprehensive solution for stone plastic composite and wood plastic composite flooring panels.

PP Building Construction Board Line

PP Building Construction Board Line

High production efficiency utilizing optimized parameter controls to reduce construction waste.

PEEK PFA PVDF Board Extrusion Line

PEEK PFA PVDF Board Extrusion Line

High-temperature plastic processing line engineered for specialized engineering plastics.

PE and HDPE Board Extrusion Line

PE and HDPE Board Extrusion Line

State-of-the-art system delivering thick protective barrier boards for marine and chemical plants.

PC Transparent Sheet / Board Line

PC Transparent Sheet / Board Line

Manufactures optical-grade PMMA & PC panels with zero surface defects for premium displays.

GPPS Diffuser plate Extrusion Line

GPPS Diffuser Plate Extrusion Line

Engineered for backlighting panels and commercial luminaires requiring optimal light dispersion.

Flexible graphite composite board line

Flexible Graphite Composite Board Line

Produces reinforced gaskets and heat shield liners for industrial sealing and engines.

ABS Icebox Board Extrusion Line

ABS Icebox Board Extrusion Line

Specialized refrigerator lining extrusion line ensuring clean vacuum thermoforming characteristics.

Sheet Extrusion Lines

PCTG Sheet Extrusion Line

PCTG Sheet Extrusion Line

Produces transparent copolyester sheet with high clarity and excellent thermoformability.

TPO & TPE Sheet Extrusion Line

TPO & TPE Sheet Extrusion Line

Perfect polymer dispersion for rubber-like performance used in high-grade automotive interior liners.

Transparent Hard Plastic Sheet Line

Transparent Hard Plastic Sheet Line

Optimized for processing rigid APET, PETG, and PC panels with high transparency and minimal stress lines.

PP Two-Tone Sheet Extrusion Line

PP Two-Tone Sheet Extrusion Line

Co-extrudes double-color sheets for high-end packaging containers and stationery applications.

PP Blister Sheet Extrusion Line

PP Blister Sheet Extrusion Line

High-speed packaging line producing food-grade thermoformable plastic roll stock.

PLA Degradable Sheet Extrusion Line

PLA Degradable Sheet Extrusion Line

Supports environmental sustainability efforts by processing corn-starch derived polylactic acid.

PET Food Packaging Sheet Line

PET Food Packaging Sheet Line

Ensures complete compliance with international food contact standards with precision melt filtration.

PCL Medical Sheet Production Line

PCL Medical Sheet Production Line

Designed for orthotic supports and specialized thermo-molded medical orthopedic plates.

Solar Extrusion Lines

SGP Solar Film Extrusion Line

SGP Solar Film Extrusion Line

High-strength ionoplast interlayers designed for extreme hurricane-resistant architectural glazing.

PVE Cast Film Extrusion Line

PVE Cast Film Extrusion Line

Optimized extrusion technology delivering highly durable solar cell encapsulation backsheets.

Polyurethane Solar Frame Line

Polyurethane Solar Frame Extrusion

Replaces aluminum frames with composite polyurethane structures, reducing thermal bridging.

Hydrogen Energy PPS Separator Line

Hydrogen Energy PPS Separator Line

Specialized membrane line processing Polyphenylene Sulfide (PPS) for clean water electrolysis.

Advanced Features of GWELL PC Extrusion Lines

Modern Techniques

Modern Co-Extrusion Techniques

We collaborate with top universities and research institutes to co-develop extrusion machinery that minimizes heat degradation and maintains polymer crystal alignment.

Perfect Service

End-to-End Local Support

We provide full installation, PLC programming alignment, customized commissioning, and ongoing maintenance to guarantee minimum downtime for our global clients.

Strong Production Capacity

Strong Production Capacity

With three manufacturing bases totaling 866,000㎡, we operate with an annual capacity exceeding 1,000 high-performance extrusion lines.

Wide Market

Global Market Reach

Our machinery has been exported to over 60 countries across Europe, the Americas, and Southeast Asia, earning international quality and safety certifications.

Professional Team

Highly Qualified Engineering Team

With over 100 dedicated R&D engineers on-site, we customize raw material feeding systems, screw flights, and roller calenders for your specific formulations.

Energy Saving

Energy Saving Technology

Integrated electromagnetic heating elements and high-torque direct-drive motors save up to 25% on power consumption compared to traditional systems.

About China Gwell Machinery Co., Ltd.

China GWELL Machinery is a high-tech enterprise dedicated to the design and manufacture of high-performance plastic extrusion lines for Film, Sheet, and Profiles. Relying on advanced engineering design, strong production capabilities, and continuous R&D, GWELL delivers customized solutions that address modern plastic manufacturing challenges.

Guided by our philosophy, "Expertise creates customers' values," we focus on improving extrusion stability, thickness control accuracy, and overall energy efficiency to help our global partners succeed in highly competitive markets.

Factory Construction: Modern machining workshops, high-precision vertical milling stations, and assembly shops with strict QC protocols.

Partnership Ecosystem: We collaborate with top component suppliers, including Siemens (PLC/Motors), JC-Times (Extrusion Dies), and Nordson (Melt Pumps), to guarantee reliability and performance.

China Gwell Factory Base

Our Certificates & Global Compliance

We manufacture our equipment under strict ISO9001 quality management guidelines and hold certifications required for international import and export standards.

ISO Certification GWELL 1
CE Quality Certification GWELL 2
Manufacturing Patent Certificate GWELL 3
TUV Certification GWELL 4
SGS Quality Verification GWELL 5
Safety Standard Certificate GWELL 6

Company News & Technological Milestones

China Gwell Exhibition Showcase
Apr 14, 2026

CHINA GWELL to Showcase Cutting-Edge Extrusion Systems

We will display our newest multi-layer co-extrusion technology and energy-efficient sheet lines at the upcoming international plastics show.

POE Leather Production Line release
Feb 11, 2026

POE Synthetic Leather Production Line Launched

Our new POE composite synthetic leather line provides a clean, recyclable alternative to PVC leather for automotive upholstery.

PVB wedge film Production Line news
Jun 25, 2025

GWELL PVB Wedge Film Production Line Reaches High Precision

Featuring high precision, high efficiency, and wide raw material compatibility, our PVB wedge film line delivers consistent quality for automotive HUD interlayers.

Technical Q&A: Polycarbonate Extrusion Insights

Why is vacuum venting critical in PC sheet extrusion?
Polycarbonate is highly hygroscopic and will absorb atmospheric moisture. If extruded without proper moisture extraction, water molecules cause polymer chain hydrolysis under high melt temperatures. This leads to brittle sheets, bubbles, and loss of optical clarity. GWELL's advanced twin-screw vented systems extract moisture directly from the melt, eliminating the energy costs and time required for external material pre-drying.
How is co-extrusion used to prevent UV degradation in outdoor PC sheets?
Untreated polycarbonate turns yellow and becomes brittle under UV light. To prevent this, we use a co-extrusion feedblock that applies a thin, uniform UV-blocking layer (typically 50 microns thick) on one or both sides of the sheet. This layer is co-extruded simultaneously with the main PC melt, forming a chemical bond that will not peel or delaminate over time.
What tolerances can GWELL extrusion lines achieve for optical sheets?
Through high-precision T-dies, Siemens closed-loop control systems, and Nordson melt pump feedback systems, our lines can achieve thickness tolerances within ±0.01mm for thin solid sheets. This level of precision is necessary to prevent optical distortion in automotive glass, HUD displays, and electronic screen protectors.
What certifications and support services does GWELL provide for global imports?
GWELL machinery carries CE, TUV, and ISO9001 certifications. We provide comprehensive import/export documentation and support services, including factory layout planning, remote PLC diagnostic configuration, and on-site engineering team deployment for installation, testing, and training.

Trusted Brand Partnerships

We partner with international component manufacturers to ensure our extrusion lines operate reliably under demanding industrial conditions.

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Advanced Polymer Film & Sheet Extrusion Lines

Famous MDO Lengthwise Stretch Extrusion Line

Famous MDO Lengthwise Stretch Extrusion Line

Improves polymer film mechanical and optical properties through precise longitudinal orientation stretching.

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China TPO&TPE Sheet Extrusion Line

China TPO&TPE Sheet Extrusion Line

Delivers high-output processing for green automotive components and recyclable thermoformable sheets.

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High-Quality PP Honeycomb Panel Extrusion Line

High-Quality PP Honeycomb Panel Extrusion Line

Optimized for lightweight sandwich structures used in logistics boxes, automotive trunks, and panels.

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Custom EPE solar cast film extrusion line

Custom EPE Solar Cast Film Extrusion Line

High-precision co-extruded films designed for solar cell encapsulation and moisture barrier protection.

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Best BIPV PVB photovoltaic film production line

Best BIPV PVB Photovoltaic Film Production Line

Produces solar module interlayers that meet high UV-stabilization and weathering performance requirements.

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High-Quality CPE cpp cast film extrusion line

High-Quality CPE CPP Cast Film Extrusion Line

High-speed machinery line delivering packaging film with high sealability and clear optical properties.

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Custom PC PMMA Optic Sheet Extrusion Line

Custom PC PMMA Optic Sheet Extrusion Line

Specially designed system that prevents contamination and micro-lines on high-end optical components.

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China PE Breathable Film Extrusion Line

China PE Breathable Film Extrusion Line

Advanced microporous structure processing for medical barrier gowns and sanitary lining films.

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