Aluminum Alloy Profile Protective Film
- During manufacturing, transportation, storage, and installation, the surface of aluminum profiles can easily be scratched, stained, or damaged.
- To prevent this, aluminum profile protective film is applied to the surface to maintain the material’s appearance and quality.
- Contact us today to get customized protective film solutions for your aluminum profiles.
Why Aluminum Profiles Need Protective Film?
Aluminum profiles often go through multiple processes before reaching the end user, including:
- Extrusion
- Cutting
- Bending
- CNC machining
- Surface treatments
- Transportation
- Installation
Without protection, surfaces can easily suffer from:
- Scratches
- Abrasion
- Dust contamination
- Chemical stains
- Surface treatments
- Oxidation
- Fingerprints
Protective film helps maintain the original appearance and finish of the aluminum surface until final installation.
Common Problems and Solutions
Prone to Falling Off
- Cause: Low adhesion or dusty/dirty surface before application.
- Solution: Clean surface thoroughly; choose a higher-adhesion film.
Residual Adhesive
- Cause: Overly strong adhesive or prolonged exposure to heat/sunlight.
- Solution: Use moderate-adhesion films for long-term storage; remove film promptly.
Tearing During Application
- Cause: Film too thin or brittle; uneven handling.
- Solution: Use thicker or reinforced films; apply with care using proper tools.
Wrinkles or Bubbles Forming
- Cause: Improper application or surface unevenness.
- Solution: Apply slowly; use a squeegee; ensure surface is smooth and dry.
Discoloration or Yellowing
- Cause: UV exposure, high temperature, or chemical reaction with aluminum surface.
- Solution: Use UV-resistant films; store in cool, shaded areas; avoid chemical contact.
Difficulty in Peeling Off
- Cause: Film cured too strongly on the surface or high-temperature exposure.
- Solution: Select films designed for easy-release; peel at moderate temperatures.
Structure of Our Aluminum Profile Protective Film
Our aluminum profile protective films have a three-layer structure.
1. PE Base Film Layer
PE films are preferred for aluminum profiles due to their flexibility, cost-effectiveness, and easy removability.
2. Acrylic Pressure-Sensitive Adhesive Layer
The acrylic PSA layer determines how strongly the film sticks to the aluminum surface. Our adhesive has a balance between strong protection and easy removal.
3. Printing Layer
Print information on the film, such as:
- Brand logo
- Installation instructions
- Company name
- Product identification
Our Aluminum Profiles Protective Film Specifications
| Parameter | Specification |
|---|---|
| Material | Polyethylene (PE) |
| Adhesive Type | Pressure-sensitive adhesive |
| Film Thickness | Standard 30–150 μm or custom thickness |
| Adhesion Strength | 0.3–8 N or custom tack level from low to medium, high, and ultra-high |
| Width | Up to 2000 mm |
| Length | Custom |
| Color | Transparent, milky white, black & white, or custom colors |
| Surface Printing | Support eight-color printing |
| UV Resistance | 3–12 months |
Aluminum Alloy Profile Surface Types
We provide protective film solutions for different aluminum alloy profile surfaces.
Flat
- Color: Transparent
- Thickness: 115μm
- Peel Strength: 2 - 3N
Brushed
- Color: Black & White
- Thickness: 140μm
- Peel Strength: 6 - 8N
Anodized
- Color: Milky White
- Thickness: 60μm
- Peel Strength: 2 - 3N
Fluorocarbon Coated
- Color: Black & White
- Thickness: 70μm
- Peel Strength: 3 - 4N
Electrostatic Coated
- Color: Black & White
- Thickness: 140μm
- Peel Strength: 6 - 8N
Electrophoretic Coated
- Color: Transparent
- Thickness: 60μm
- Peel Strength: 0.3 - 0.5N
FAQs
Most protective films applied to aluminum profiles are made from polyethylene (PE).
Yes, adhesion, thickness, color, width & roll length, and surface printing can be customized.
Typically between 3 months and 12 months, depending on the film type and weather conditions.
We provide aluminum profile films that are specially designed with UV resistance for outdoor exposure.
Smooth surfaces need low adhesion; rough or textured surfaces require higher adhesion.
Our aluminum profile protective films are compatible with various aluminum profile surface types, such as flat, brushed, anodized, fluorocarbon, electrostatic, or electrophoretic coated.