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PE Film For Metal Sheets

-- Steady & Reliable Manufacturer --

Introduction

Wuxi Wanfeng Protective Film Co., Ltd. offers high-grade PE film for metal sheets, engineered specifically to safeguard cold-rolled steel, galvanized steel, color-coated coil (PPGI/PPGL), copper, brass, and titanium alloy sheets. In high-speed metal service centers and sheet fabrication plants, metal sheets undergo intense mechanical stress during coil unwinding, leveling, shearing, punching, slitting, stamping, and stacking. Our polyethylene protective films establish an elastomeric barrier that protects metallic surfaces against mechanical abrasion, scratches, rust oxidation, moisture, and oil contamination.

Metal sheets feature diverse surface finishes ranging from smooth high-gloss painted surfaces to textured galvanized zinc spangles and oily cold-rolled steel. Each surface chemistry demands precise adhesive formulation to ensure stable tack throughout automated processing without lifting during shearing or leaving residue after peeling. Wuxi Wanfeng engineers co-extruded LDPE backing films paired with custom water-based and solvent acrylic pressure-sensitive adhesives, offering tailored adhesion levels, high tensile strength, and exceptional puncture resistance.

Available in transparent, translucent blue, black-and-white, and custom flexographic printed configurations, our metal sheet protective films provide high UV weatherability for outdoor storage. As an established direct manufacturer in Wuxi, China, Wuxi Wanfeng supplies global metal service centers, appliance manufacturers, and industrial suppliers with tailored master roll widths, custom thickness profiles, and reliable quality assurance.

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Specifications

The technical data matrix below outlines the standardized physical properties and performance parameters for our PE film for metal sheets. Custom specifications can be engineered to meet specific sheet processing demands.

Technical Parameter Standard Value Range Testing Standard / Method
Base Film Polymer Co-extruded Low-Density Polyethylene (LDPE/LLDPE) ASTM D882 Standard Specification
Film Thickness 40 Micron to 150 Micron (1.6 mil - 6.0 mil) ISO 4593 Precision Gauge Test
Adhesive Formulation Solvent Acrylic / Water-Based Acrylic System In-house Pressure-Sensitive Adhesive
Adhesion Force (to metal) 30 g/25mm to 400 g/25mm (Low to Very High Tack) PSTC-101 / ASTM D3330
Tensile Strength (MD/TD) ≥ 19 MPa (Machine) / ≥ 16 MPa (Transverse) ASTM D882 Physical Property
Elongation at Break ≥ 300% (MD) / ≥ 480% (TD) High Flexibility ASTM D882 Elongation Standard
Master Roll Widths 500 mm to 2050 mm (Wide Sheet Coverage) Precision Factory Slitting
Standard Roll Lengths 500 m to 2000 m Master Winding Rolls Standard Industrial Winding Metric
Color Varieties Clear, Blue, Black & White, Milky White, Printed Visual Pigment Matching
UV Weather Resistance 3 Months to 12 Months Outdoor Stabilization ASTM G154 Accelerated Weathering

Quality assurance protocols include high-speed shear testing, corrosion resistance evaluation on galvanized steel, thermal aging tests up to 80°C, and clean peeling analysis across varied metal coatings.

Applications

Wuxi Wanfeng PE film for metal sheets is designed for widespread application across steel service centers, metal stamping facilities, coil coating plants, and industrial equipment manufacturing.

  • Pre-Painted Steel Coils (PPGI/PPGL): Applied on continuous coil coating lines to protect high-gloss polyester, PVDF, and polyurethane painted metal surfaces during coil rewinding, transit, and roll forming.
  • Galvanized & Cold-Rolled Steel Sheets: Safeguards zinc-coated galvanized steel and cold-rolled steel sheets against rust oxidation, scratch marks, and oil contamination during shearing, leveling, and stacking.
  • Metal Stamping & Deep Drawing: Formulated with high elongation backing that stretches along metal sheets during deep drawing of appliance panels, HVAC housings, and automotive body pressings without breaking.
  • Aluminum & Copper Alloy Sheets: Protects non-ferrous copper, brass, and aluminum alloy sheets against surface tarnishing, scratching, and oxidation during precision sheet metal fabrication.
  • Industrial Roofing & Cladding Panels: Provides temporary surface preservation for corrugated metal roofing sheets, insulated sandwich panels, and architectural wall cladding during transportation and site installation.

Engineered for seamless performance on high-speed automated lamination equipment, our films ensure smooth, bubble-free application without edge curling.

Advantages

Partnering with Wuxi Wanfeng Protective Film Co., Ltd. for metal sheet protection delivers operational efficiency, scrap reduction, and brand protection for global metal processors.

  • Clean Removal Without Glue Residue: Engineered with stable pressure-sensitive acrylic adhesive that maintains consistent tack during heavy processing while removing cleanly without leaving ghost marks or sticky residue on metal sheets.
  • Exceptional Tear & Puncture Resistance: Advanced multi-layer co-extrusion technology produces tough polyolefin films capable of resisting sharp metal edges, burrs, tool friction, and heavy mechanical impacts.
  • Tailored Tack for Diverse Coatings: We customize adhesive formulas to match smooth high-gloss paints, textured spangles, or light protective mill oils, ensuring reliable adhesion without premature lifting.
  • Outdoor Weatherability & UV Protection: Formulated with high-performance UV absorbers to prevent film degradation, brittleness, and adhesive baked-on issues during outdoor yard storage and long-distance shipping.
  • Direct OEM Manufacturing Strength: Direct factory production in Wuxi provides competitive wholesale pricing, custom master roll widths up to 2050mm, flexographic logo printing, and ISO9001 quality management.

Payment & Shipping

Wuxi Wanfeng Protective Film Co., Ltd. provides streamlined international commercial procedures and secure ocean transport logistics for global metal service centers and industrial importers.

Payment Terms: Accepted payment channels include Wire Transfer (T/T 30% advance deposit upon order placement, 70% balance paid against ocean Bill of Lading copy), 100% Irrevocable L/C at sight for container volume orders, and online secure payment for sample courier charges.

Seaworthy Packaging: Film rolls are sealed in moisture-proof plastic wrapping, reinforced with protective core end-caps, packed in heavy-duty corrugated export boxes, and strapped onto heavy-duty fumigated wooden or plastic pallets.

Production Lead Time & MOQ: Standard manufacturing lead time is 10 to 14 business days. The Minimum Order Quantity (MOQ) is 3,000 square meters for standard clear/blue film rolls and 5,000 square meters for custom printed metal films.

Shipping Ports & Documentation: Direct shipping from Shanghai Port or Ningbo Port, China. We handle Full Container Load (FCL), Less than Container Load (LCL), air shipments, and furnish complete export documentation including CO, Form E, and Certificate of Analysis (COA).

Frequently Asked Questions

  • Q: Can PE protective film adhere to lightly oiled cold-rolled steel sheets?
  • A: Yes, we produce specialized rubber and solvent-acrylic adhesive protective films formulated to penetrate and bond securely with light anti-rust mill oils without bubbling or premature peeling during shearing.
  • Q: Will the protective film tear during deep drawing or press bending of sheet metal?
  • A: No. Our metal sheet protective films feature elongation at break exceeding 300% to 480%, allowing the film to stretch harmoniously alongside metal sheets during heavy deep drawing and stamping without rupturing.
  • Q: How do I select between black & white film and transparent film for pre-painted steel?
  • A: Black & white PE film offers superior opacity and outdoor UV resistance up to 12 months, making it ideal for outdoor storage of pre-painted steel sheets. Clear or blue transparent film is preferred when visual surface inspection is required during processing.
  • Q: Can we print directional arrows and brand logos on the protective film for metal sheets?
  • A: Yes, Wuxi Wanfeng offers high-precision flexographic surface printing. We can print grain direction arrows, bending orientation lines, safety warnings, and company logos in up to 3 colors.
  • Q: What is the maximum width roll available for wide steel sheet lamination lines?
  • A: We operate wide-format co-extrusion and coating lines capable of producing master protective film rolls in widths up to 2050 mm (80 inches) for wide coil lamination systems.
  • Q: How can we request sample master rolls for automated line testing at our factory?
  • A: Send us your metal substrate details, surface coating type, and lamination machinery speed. We will dispatch custom sample rolls via international express within 3 to 5 business days.
Premium quality since 1989
Company Profile

Wuxi Wanfeng Protective Film Co., Ltd. is a combination of industry and trade enterprises, is committed to the production of PE protective film, cowhide cold press tape, hot melt tape, PI tape, electrolytic paper tape, is a diversified film adhesive products large-scale professional production base, set precision production machines and automatic in one, based on high grade and high-end market, Annual production of PE protective film more than 5000 tons, tape 30 million square meters, mainly exported to the United States, Germany, Japan, Spain, Italy, the United Kingdom, South Korea, Australia, Canada, Vietnam, India and other dozens of countries, the cooperation of customers include Japan's Toyota Motor, South Korea's Samsung Group, Including more than 10 of the world's top 500 enterprises, has become an important supplier of their protective film and tape in China.

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Why Choose Us?
  • Stable Product Quality

    The company strictly enforces the procedures of screening and auditing of raw material suppliers and incoming material testing and comparison of incoming materials.

  • Reliable Product Supply

    High degree of control over the price, quality and stable supply of raw materials, laying the foundation for continuous production

  • Thoughtful Extended Service

    The company has consistently adhered to the seamless service, carefully built a technical backbone composed of after-sales service team.

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