Hot Melt Adhesive Film For Aluminum
- Common thickness:20-300 um, ACP grades often 20-150 um
- Available width:300-3000 mm, slit rolls for panel lamination lines
- Resin options:EAA, EVA, PES, PO, and modified polyolefin
- Color:Transparent, translucent, milky white, or resin-dependent
- Structure:Glassine release paper or linerless roll format
- Main use:Aluminum panel bonding, aluminum honeycomb, ACP, and profile lamination
Films Protective Company is a manufacturer of hot melt adhesive film for aluminum, producing EAA, EVA, PES, PO, and modified polyolefin bonding films for aluminum panel bonding, ACP lamination, aluminum honeycomb panels, and aluminum profile lamination. Activated by heat and pressure, the film forms a clean bonding layer between aluminum sheet, coated aluminum, aluminum foil, PE core, FR core, or honeycomb core. Typical starting conditions are 110-160 C, 5-30 s, and 0.3-0.6 MPa, then confirmed by sample lamination, cooling, and peel testing.
Product Overview
This adhesive film is made for structural aluminum bonding, not temporary surface protection. When heated, it softens within a typical 75-120 C melting range, wets the aluminum surface, fills small contact gaps, and sets after cooling. Compared with liquid glue, it gives the lamination line better bond-line control with less dripping, solvent handling, uneven coating, and adhesive thickness variation.
Resin choice should match both the aluminum surface and the bonded core. EAA and PO grades are often used for bare aluminum, aluminum foil, and aluminum-to-plastic bonding. EVA grades suit ACP production where aluminum skins are laminated to PE core or mineral-filled FR core. PES grades are practical for coated aluminum, cleaner edges, and higher heat resistance. Stable roll flatness and film thickness help reduce dry spots, glue-rich areas, blistering, edge lifting, and squeeze-out into honeycomb cells.
Benefits
- Uniform adhesive layer for aluminum sheet, aluminum foil, coated aluminum, and composite panel structures.
- EAA, EVA, PES, and PO resin choices for different surfaces, core materials, and heat-press conditions.
- Less liquid glue trouble, including uneven coating, solvent exposure, dripping, and unstable bond-line thickness.
- Practical 75-120 C melting range, 20-300 um thickness, and 300-3000 mm width options.
- Sample panels can be checked for peel strength, wet-out, blistering, edge delamination, heat resistance, and 72 h damp heat aging.
What should be checked before laminating hot melt adhesive film to aluminum panels and ACP cores?
Before lamination, production teams should evaluate aluminum surface condition, coating type, core material, film thickness, and heat-press window together. Bare aluminum, brushed aluminum, coated aluminum, PE core, and mineral-filled ACP core may need different adhesive grades. A small panel trial should show complete wet-out without dry spots, trapped air, blistering, or edge lifting. Raising temperature alone does not always improve adhesion if pressure is low or dwell time is short. After pressing, panels should cool before peel testing. For ACP lines, Al-to-core peel strength may use >3.5 N/25 mm as a typical reference.
TDS
Item | Typical Value |
Product type | Heat activated hot melt adhesive film |
Resin options | EAA, EVA, PES, PO, modified polyolefin |
Suitable substrates | Bare aluminum, coated aluminum, aluminum foil, PE core, FR core, honeycomb core |
Thickness and width | 20-300 um, ACP grades 20-150 um, width 300-3000 mm |
Appearance and release | Transparent, translucent, milky white, glassine release paper or linerless roll |
Melting range | 75-120 C, depending on resin grade |
Heat press window | 110-160 C, 5-30 s, 0.3-0.6 MPa |
Al-to-core peel strength | >3.5 N/25 mm typical reference, grade and substrate dependent |
Heat resistance | 80-120 C, depending on adhesive resin |
Damp heat aging | 72 h observation for blistering, edge lifting, and peel change |
Bond-line control | Stable wet-out with limited squeeze-out |
Recommended validation | Sample lamination, cooling, peel test, heat aging, humidity check |
Applications
- Aluminum panel bonding film for appliance panels, insulation panels, laminated metal parts, and composite aluminum sheets.
- Aluminum honeycomb adhesive film for lightweight sandwich panels requiring stable face skin-to-core contact.
- ACP production lines bonding aluminum sheet to PE core, FR core, or mineral-filled core materials.
- Coated aluminum profiles, decorative laminated profiles, and shaped metal components.
- Metal to plastic lamination film for aluminum-to-PE, aluminum-to-PP, and aluminum-to-filled core structures.
How does resin selection affect aluminum honeycomb and aluminum profile bonding?
Resin selection changes how the film melts, wets the surface, and holds the structure after cooling. EAA film is often used with aluminum sheet, aluminum foil, or aluminum tube. EVA film is practical for ACP and aluminum-to-core lamination. PO adhesive film suits aluminum-plastic plate, PE or PP core bonding, and outdoor panel structures needing moisture resistance. PES film is useful for coated aluminum, higher heat exposure, and cleaner edge performance. For aluminum honeycomb and profile lamination, the grade should match panel thickness, press speed, release liner handling, cooling conditions, and 72 h aging observation.
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FAQ
Q1: What is hot melt adhesive film for aluminum used for?
It is used for aluminum panel bonding, ACP lamination, aluminum honeycomb bonding, and aluminum profile lamination.
Q2: Which resin is suitable for aluminum bonding?
EAA, EVA, PES, and PO can be selected according to aluminum surface, core material, and heat resistance.
Q3: Can the film be supplied with release paper?
Yes. It can be supplied with glassine release paper or in linerless roll format.
Q4: What should be tested before bulk production?
Test peel strength, wet-out, edge lifting, blistering, heat resistance, and damp heat aging.
