The protective film is specifically designed for surface protection of metal sheets, plastic products, glassware, and similar materials. We now offer free sample testing to global customers. Online inquiry and bulk purchasing are supported, with a monthly production capacity of 200 tons. Standard orders are delivered within 20 working days. The product has passed SGS testing and complies with RoHS environmental standards. We provide professional technical support and customized services.
| Substrate specifications | |
| Material | Linear low-density polyethylene (LLDPE) |
| Thickness | 0.03mm-0.15mm (customizable) |
| Color | Transparent |
| Width | 500mm-2000mm |
| physical property | |
| Tensile strength | ≥20MPa in longitudinal direction and ≥18MPa in transverse direction |
| Extension rate | ≥500% |
| Adhesion | 5-150g/25mm (adjustable) |
| Transmittance | ≥92% |
| environmental performance | |
| Operating temperature | -40℃ to 80℃ |
| Weather resistance | 6-12 months for outdoor use |
| Special Features | |
| Self-adhesive | moderate adhesion, no residual glue after removal |
| Antistatic | surface resistance 10^6-10^9Ω |
| Environmental certification | RoHS and REACH compliance |
Protection Performance Advantages
Excellent air tightness and water tightness, effectively blocking corrosion media
A moderate amount of adhesive ensures a secure paste and easy removal without residue.
High light transmittance facilitates inspection of the protected surface condition
Convenience
Good ductility and adaptability to various shaped surfaces
Self-adhesive design for fast and convenient construction
Can be cut into different sizes to meet diverse needs
Stable Quality Advantage
Advanced production process ensures uniform thickness
Strict quality control, good batch consistency
Economic and Technical Advantages
Protect the protective film surface effectively and reduce wear and tear
High construction efficiency and labor cost savings
Long service life and significant comprehensive benefits
I. Raw Material Pretreatment Process
raw material:LLDPE
Drying treatment: remove moisture from raw materials
Mixing: Ensure uniform mixing of raw materials
2. Blowing Film Forming Process
Melt extrusion: three-layer co-extrusion and blow film process
Membrane cooling: dual air outlet cooling system
Thickness control: automatic thickness measurement feedback system
III. Post-Processing Procedures
Corona treatment: improve surface adhesion
Winding and forming: constant tension winding control
Cut and pack: automatic cut and pack line
| size of product | |
| Standard thickness | 0.03mm/0.05mm/0.08mm/0.10mm/0.15mm |
| Standard width | 1000mm/1500mm/2000mm |
| Roll length | 500m/1000m/1500m |
| Pipe inner diameter | 76mm/152mm |
| technical parameter | |
| Thickness tolerance | ±0.005mm |
| Adhesion tolerance | ±5g/25mm |
| Transmittance | ≥92% |
| Fog | ≤3% |
Metal Protection
Stainless steel surface protection
Aluminum plate transportation protection
Temporary protection for color-coated steel sheet
Plastic Protection
Protect the acrylic surface
Protect plastic injection-molded parts
Instrument panel protection
Glassware protection
Building glass transportation protection
Mirror Protection
Display surface protection
Protect your devices
Touchscreen temporary protection
Outer Shell Protection
Precision component protection
Other application areas
Stone surface protection
Wood Protection
Decorative Material Protection
Q1: What is the main function of the protective film?
A: Mainly used for temporary protection of the product surface to prevent scratches, pollution and corrosion.
Q2: How to choose the right adhesion?
A: Select based on surface characteristics: 50-80g/25mm for ordinary surfaces, 5-30g/25mm for sensitive surfaces.
Q3: How long can it be used outdoors?
A: Normal outdoor use for 6-12 months, depending on environmental conditions
Address
West side of Jilan Road, Zhounan Village, Beian Sub-district Office, Jimo District, Qingdao City, Shandong Province，China
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