PE Protective Film for Stainless Steel, Aluminum Profiles & Glass - STK
STK's PE Protective Film (Polyethylene Surface Protection Film) is a high-performance temporary masking solution engineered to safeguard sensitive surfaces from scratches, abrasions, contamination, and dust during manufacturing, deep-drawing, transit, laser cutting, and final installation. Coated with an advanced pressure-sensitive acrylic or rubber-based adhesive, this film acts as an impenetrable sacrificial layer that prevents costly surface rejections.
At STK, we manufacture specialized, application-targeted PE protective films tailored precisely to the surface roughness, gloss levels, and processing demands of your industry. Whether you are protecting mirror-finish stainless steel, delicate optical lenses, high-gloss acrylic sheets, or printed graphic panels, our film applies smoothly and peels away effortlessly without adding processing latency or leaving defects behind.
Application-Targeted Adhesion Spectrum (5 g - 500 g/25 mm)
Choosing the wrong adhesion level can result in the film either lifting off prematurely during automated cutting or bonding too aggressively, which makes removal difficult and leaves ghosting stains. STK organizes its polyethylene films into structured adhesion tiers to match your specific material profile perfectly:
| Adhesion Tier | Peel Strength Range | Target Surface Material | Primary Processing Application |
|---|---|---|---|
| Ultra-Low Fix | 5 g - 15 g/25 mm | Optical glass, high-purity lenses, LCD backlights, mirror-finish PMMA | Cleanroom optical sorting, electronic display screen masking, touch panel assembly |
| Low Adhesion | 20 g - 50 g/25 mm | BA/mirror stainless steel, anodized aluminum, coated architectural glass, high-gloss plastic sheets | Light metal stamping, transport shielding, acrylic board cutting, window pane installation |
| Medium Adhesion | 60 g - 150 g/25 mm | 2B finish stainless steel, matte plastics, painted metal sheets, printed signage surfaces | CNC bending, roll forming, standard metal fabrication, graphic overlay masking |
| High Adhesion | 160 g - 300 g/25 mm | Brushed stainless steel, color-coated steel plates, frosted metal surfaces, rough aluminum extrusions | Heavy mechanical pressing, aggressive factory handling, long-term outdoor shipping protection |
| Extra-High Fix | 320 g - 500 g/25 mm | Textured building panels, sandblasted surfaces, wire & cable jackets, deeply embossed metals | Laser cutting operations, coarse surface shielding, heavy-duty construction masking |
Cross-Industry Application Ecosystem
STK's premium PE protective films are utilized as essential raw materials across five major global production sectors:
Metal Fabrication Industry
• Prevents friction marks, micro-scratches, and tool scoring on stainless steel sheets, aluminum profiles, and color-coated steel plates during punching, roll-forming, and deep-drawing processes.
• Special black-and-white laser protective films withstand the extreme heat generated by fiber or CO₂ laser-cutting machines without melting or curling along the cut line.
01
Optical & Display Industry
Safeguards LCD panels, glass substrates, optical mirrors, and delicate camera lenses from micro-dust settling, smudging, and static discharge within precision electronic manufacturing environments.
02
Plastics & Acrylic Extrusions
Provides flat, bubble-free lamination on high-gloss plastic surfaces, injection-molded casings, PC boards, and sheets of acrylic (PMMA), securing them during subsequent milling or routing.
03
Printing & Graphic Arts
Protects freshly printed films, membrane switches, and graphic overlays from ink scuffing or scraping before the final curing and assembly steps are complete.
04
Wire & Cable Assembly
Serves as a reliable temporary wrapping layer for cable bundles and wire jackets to preserve structural cleanliness and prevent insulation damage during transit and pulling.
05
Technical Specifications
| Product Name | PE Protective film | PE Protective film | PE Protective film | PE Protective film | PE Protective film | Anti-static PE film | Embossed PE film |
| Thickness (mm) |
0.05 | 0.09 | 0.08 | 0.06 | 0.14 | 0.05 | 0.05 |
| Peel Adhesion (g/mm) |
3g-10g/25mm | 15g/25mm | 35g/25mm | 90g/25mm | 600g/25mm | 3g/25mm | 6g/25mm |
| Backing | PE film | ||||||
| Color | Transparent | ||||||
| Short-term temperature(℃) | 60 | 60 | 60 | 60 | 120 | 65 | 65 |
| Long-term temperature(℃) | 50 | 50 | 50 | 50 | 80 | 80 | 80 |
High-Volume Factory Capacity: Wholesale Jumbo Rolls
For large-scale industrial converters, regional film distributors, and automated lamination lines, supply security and master format availability are critical. STK directly operates as a primary manufacturer to secure your operational pipeline:
Massive Production Output
Our advanced production bases house multiple multi-layer co-extrusion blown film lines and high-speed coating stations, delivering massive continuous capacity to support high-volume industrial contracts.
Jumbo Roll Configurations:
We supply master logs and high-length jumbo rolls (up to 2000 m - 4000 m) optimized for high-speed automated unwinding systems.
Custom Slitting & Multi-Color Printing:
We precision-slit rolls to your exact width requirements and provide surface printing for corporate logos, safety warnings, and alignment arrows directly on the protective film.
Equipment
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