Protective Film China Company is a sheet metal protective film factory manufacturing temporary protection film for stainless steel sheets, aluminum panels, aluminum profiles, ACP, pre-painted metal, PPGI, PPGL, and sandwich panels. We supply grades for fabrication, storage, transport, and installation. Film structure, tack level, thickness, roll format, and removal window are matched to the finish and processing route, including bending, punching, routing, roll forming, and selected fiber or CO2 laser cutting.
product details
- Material: PE, LDPE, LLDPE, or coextruded structures
- Thickness: Typical reference range: 20-200 um
- Width: Custom slitting; confirm usable width by line
- Colors: Clear, blue, black-and-white, or printed
- Tack: Low, medium, or higher tack
- Formats: Jumbo rolls, slit rolls, regular wound, or reverse wound
Metal panels that look similar can behave differently after lamination. BA and mirror stainless steel show peel marks more easily than 2B finishes. Brushed, matte, anodized, powder-coated, and corrugated surfaces reduce effective adhesive contact and can change edge hold.
This china sheet metal protective film range is organized by finish and fabrication stage rather than one standard roll. It is used by service centers, metal fabricators, panel converters, profile processors, and continuous lines that need clean removal after machining and transport. For repeat orders, record the approved substrate, adhesive system, dwell time, usable width, winding direction, removal stage, and retained sample reference.
Product Range / Covered Products
Product Series
| | |
Stainless steel sheet film
| BA, 2B, mirror, brushed, matte
| Tack, residue, visible marks
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Aluminum sheet and panel film
| Mill finish, satin, coated aluminum
| Bending, scratch resistance, clean peel
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| Anodized, powder-coated profiles
| Groove coverage, corner retention
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| Aluminum composite panels
| Routing, folding, stacking
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| PPGI, PPGL, roofing panels
| Roll forming, UV exposure
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| Glossy, matte, insulated panels
| Temperature, stacking pressure
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| Stainless steel, aluminum sheets
| |
A stainless steel protective film manufacturer should separate reflective finishes from textured ones because the same adhesive can behave differently after aging. Flat panels need even coverage, while profiles need reliable hold around grooves, corners, and cut edges. ACP grades should stay stable during routing and folding. Sandwich-panel grades should be reviewed after stacking and storage.
Selection Guide
Start with the actual metal sample. Confirm finish, coating, roughness, process pressure, dwell time, climate, transport route, and planned removal time. Compare low, medium, and higher-tack grades under the same conditions.
For adhesive-coated protective film, review pressure-sensitive adhesive behavior after dwell, including adhesion growth after aging and residue inspection after removal. A 180-degree peel reference is useful only when the test method, sample width, conditioning, dwell time, and peel speed remain consistent.
A matte stainless steel protective film grade may need stronger contact than a mirror-finish grade, but higher tack is not automatically better. After slitting, punching, bending, routing, or roll forming, inspect edge lift, wrinkles, film tearing, stretch behavior, and visible marks. Outdoor grades should also be checked against UV exposure and the planned removal window.
Material / Adhesive Selection Comparison
| | Confirm Before Bulk Production
|
| Flexible sheet and profile protection
| Thickness, elongation, slit-edge quality
|
| Roll forming or extended processing
| Layer structure, puncture resistance, clean removal
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Water-based acrylic adhesive
| General sheet, panel, and profile lines
| Tack growth, moisture exposure, residue
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Solvent-based acrylic adhesive
| Textured or coated surfaces
| Aging, adhesion range, outdoor removal
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| | Heat exposure, transfer risk, timing
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| Mirror, BA, and high-gloss finishes
| |
| Matte, textured, powder-coated, or corrugated surfaces
| |
Benefits
- Reduces scratches, scuffs, dust, and handling marks.
- Improves abrasion resistance during stacking and transport.
- Provides the puncture resistance and stretch behavior required for roll-forming operations.
- Matches tack to glossy, matte, anodized, coated, and structured surfaces.
- Supports actual-substrate trials before volume production.
- Retains approved samples for repeat-order consistency.
How Should Tack Level Be Matched to BA, 2B, Mirror, Brushed, Anodized, and Powder-Coated Metal Surfaces?
BA and mirror sheets usually need controlled tack because peel marks and residue are easier to notice. Check brushed and 2B stainless steel after dwell for edge retention and clean removal. Anodized aluminum and powder-coated profiles may require another grade because texture lowers the effective contact area. Before production, compare films on the substrate and inspect edge lift, residue, stretch, and appearance.
TDS / Technical Range
| Typical Range / Customizable Value
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| Film for sheet metal, profiles, ACP, coated panels, PPGI, PPGL, and sandwich panels
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| PE, LDPE, LLDPE, or coextruded structures
|
| Water-based acrylic, solvent-based acrylic, rubber-based, or self-adhesive options
|
| Typical reference range: 20-200 um; confirm by finish and process
|
| Custom slitting; confirm usable width by line
|
| Typical reference range: 50-4000 m; confirm by weight and shaft capacity
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| Low, medium, and higher tack; validate on substrate
|
180-degree peel reference
| Grade dependent; agree method, width, conditioning, dwell time, and peel speed
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| Confirm by line speed and edge-quality requirement
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| Confirm for automatic lamination and stable unwinding
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| Clear, blue, black-and-white, logo, arrows, or removal note
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| Regular or reverse wound; confirm shaft, core size, and roll weight
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| Confirm climate, exposure period, and removal window
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| Trial bending, punching, routing, roll forming, stacking, or laser cutting
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Applications
- Stainless steel service centers processing BA, 2B, mirror, brushed, and matte finishes
- Aluminum sheet, panel, and profile lines using anodized or powder-coated surfaces
- Our china aluminum panel protective film grades support ACP routing, facade-panel fabrication, signage production, stacking, and transport
- Pre-painted sheet, galvanized coil, PPGI, and PPGL roll-forming operations
- Roofing, cladding, insulated-panel, and cold-room-panel production
- Fiber and CO2 laser-cutting lines after substrate validation
Customization Options
As a sheet metal protective film factory, Protective Film China Company can match thickness, adhesive structure, tack, slit width, roll length, core size, color, printing direction, and winding format. For automatic lamination, confirm slit-width tolerance, roll flatness, unwind stability, and core-size matching.
As an aluminium profile protective film factory for anodized and powder-coated lines, we adjust tack, slit width, and roll format to improve corner retention, groove coverage, and stable unwinding. Printed rolls should specify arrow direction and panel-installation alignment. Approved samples, retained samples, and batch references help keep repeat orders consistent with the trial.
What Should Be Verified Before Protected Metal Sheets and Panels Enter Routing, Punching, Bending, and Laser Cutting?
Check compatibility on the intended line rather than relying on thickness alone. For ACP routing and folding, inspect wrinkles, trapped air, and tension before machining. After punching or bending, review corner lift, cut-edge tearing, and stretch. Trial laser-compatible grades on the planned fiber or CO2 settings, checking bubbling, shrinkage, edge accuracy, and removal after cooling. For sandwich panels, record temperature, stacking pressure, storage time, and peel behavior.
FAQ
Which tack level is suitable for mirror, brushed, matte, and powder-coated metal surfaces?
It depends on finish, roughness, dwell time, and process route. Use actual-substrate trials.
What information is needed before a trial roll is prepared?
Confirm finish, coating, width, length, core size, winding direction, lamination method, process route, storage condition, and removal time.
How should residue and edge lift be checked before bulk production?
Apply film to the sample, run the process, keep the agreed dwell time, and inspect the edges and removed surface.
When should protective film be removed from metal panels?
Set the removal window according to coating, UV exposure, storage, installation timing, and climate.