Aluminum Foil for Phenolic Insulation Boards

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Specialized Supplier of Aluminum Foil for Phenolic Insulation Boards

Phenolic insulation boards are widely used in HVAC ductwork, exterior wall insulation, and underfloor heating systems due to their excellent thermal insulation properties, low thermal conductivity, superior fire resistance, and lightweight structure. As a key component of the board, the aluminum foil layer effectively blocks the penetration of moisture and water vapor, preventing moisture accumulation within the phenolic core and thereby ensuring long-term thermal insulation performance.

At Yutwin New Materials, we manufacture high-performance, precision-engineered aluminum foil facings specifically designed for phenolic insulation board manufacturers. Our aluminum foil solutions can be customized to meet the requirements of thermal insulation applications.

  • Various Aluminum Alloy Options
  • Customized Embossing Patterns
  • Customized Colors and Coatings

Composite Structure of Phenolic Insulation Boards

Phenolic insulation boards typically feature a sandwich composite structure consisting of an aluminum foil facing, a phenolic foam core, and an aluminum foil backing.

Features an embossed aluminum foil facing coated with an anti-corrosive epoxy resin.

Serving as the board’s primary functional layer for thermal insulation, it offers extremely low thermal conductivity, excellent thermal insulation performance, and superior fire-resistant properties.

Features aluminum foil with an adhesive coating; this coating enhances bonding strength between the aluminum foil and reinforcing materials such as fiberglass fabric or non-woven fabric.

Why Choose Embossed Aluminum Foil for Phenolic Insulation Boards?

Compared to smooth aluminum foil, embossed aluminum foil offers distinct advantages as a facing material for phenolic insulation boards.

☑ Wrinkle and Crack Resistance

The embossed pattern enhances the foil’s rigidity and improves its resistance to scratches and impacts, providing superior protection during manufacturing and on-site installation.

☑ Superior Adhesion

The textured surface significantly boosts bond strength between the aluminum foil and the phenolic core, preventing delamination or adhesive failure even amidst temperature fluctuations.

☑ Reduced Light Reflection

The embossed texture minimizes specular reflection, reduces visual glare in brightly lit environments, and creates a softer, more understated surface appearance.

01. Various Aluminum Alloy Options

We supply aluminum foil made from various aluminum alloys, including 1050, 1060, 1100, 1235, 3003, and 8011, with customized thickness ranges and coil widths to precisely match your production equipment and manufacturing processes.

Specifications (Customizable)

AlloyTemperThickness (mm)Width (mm)Tensile Strength (MPa)Elongation (%)Actual Thickness (mm)
1100H240.0551215145–14910.16–14.020.05267–0.05394
8011H240.0321215126–12715.04–15.090.03087–0.03166
8011H240.0511215125–12619.60–19.640.04940–0.05091

02. Customized Embossing Patterns

We provide a wide range of embossed surface designs, including classic stucco patterns, diamond patterns, orange peel textures, and other customized textures to enhance mechanical bonding strength, surface durability, and visual appearance.

Common Patterns

03. Customized Colors and Coatings

With advanced resin coating technologies, we offer customized aluminum foil solutions that meet demanding requirements for architectural aesthetics, surface protection, and oxidation resistance.

Coating Parameter Report

Inspection ItemUnitSpecification ValueInspection Result
Ford Cup Viscosity (25°C)Seconds14 ± 212.8
Solid Content%26 ± 226.5
pH Value/8 ± 18.1
Leveling Performance/Meets StandardQualified
High-Temperature Yellowing Resistance/300°C / 5 min, slight yellowing allowedQualified
Alkali Resistance/Meets StandardQualified
Adhesion (Cross-Cut Test)Grade00
Cupping Testmm≥5Qualified
Impact Resistancekg·cm≥50Qualified