YF-25.3-I: Innovative Thermal Break Strip for Superior Insulated Aluminum Frames

Product Overview
The YF-25.3-I is an innovative polyamide thermal break strip, engineered to deliver outstanding thermal insulation and structural reliability for aluminum windows, doors, and curtain wall systems. With its precise 25.3 mm width and robust “I” profile, this strip meets the demands of modern energy-efficient architecture.

Key Features & Benefits

✅ Superior Thermal Insulation
Manufactured from high-quality PA66 reinforced with 25% glass fiber, this profile significantly reduces heat transfer, enhancing the thermal performance of aluminum frames.

✅ Stable & Strong “I” Profile
The “I” shape design provides excellent dimensional stability and mechanical strength, ideal for profiles that require maximum load-bearing and precise installation.

✅ Excellent Process Compatibility
Perfectly compatible with knurling, crimping, and insertion processes. Ensures strong mechanical bonding inside aluminum profiles.

✅ Durable & Weather Resistant
Long-lasting performance under UV, humidity, and temperature extremes — ensuring reliable insulation for years.

✅ Versatile Applications
Widely used in high-end aluminum windows, energy-efficient doors, curtain walls, and façade systems for residential and commercial buildings.

Technical Specifications

• Material: PA66 GF25 (Polyamide 66, 25% Glass Fiber Reinforced)

• Width: 25.3 mm

• Profile: I (standard “I” shape for enhanced structural support)

• Color: Standard black (custom colors available)

• Operating Temperature: -40°C to +180°C

• Thermal Conductivity: ≤ 0.3 W/m·K

Applications

✔ Thermally broken aluminum windows & doors
✔ High-performance curtain walls
✔ Energy-saving building envelopes
✔ Commercial & residential facades