Jinxing PA66 GF25 Thermal Break Strips are PA66-based insulation profiles designed to separate interior and exterior aluminum sections and reduce direct heat transfer through the frame. Manufactured in China, our range includes I-Type, C-Type, T-Type and customized profiles with PA66 GF25 reinforcement for aluminum windows, doors, curtain walls and other thermally broken aluminum systems.
PA66 reinforced with 25% glass fiber provides the rigidity and mechanical stability required for thermal break assembly. The reinforced structure is suitable for insertion, rolling and long-term engagement within aluminum profiles.
Stable dimensions are important because the thermal break strip must remain accurately fitted to the aluminum cavity throughout assembly. Jinxing controls extrusion, cooling and shaping conditions to maintain profile consistency.
The polyamide section creates a non-metallic barrier between separated aluminum components, interrupting the direct metal heat-transfer path within the frame.
A thermal break strip cannot be selected only by product name or application. The actual aluminum extrusion determines the required section.
| Aluminum Profile Factor | Related Strip Requirement |
|---|---|
| Cavity width | Strip width |
| Cavity depth | Profile height |
| Groove structure | Locking geometry |
| Required separation | Strip thickness |
| Assembly process | Insertion and rolling compatibility |
Jinxing can review the aluminum profile drawing or sample before production to determine the appropriate section.
Thermal Break Strips are used in thermally separated window frames and sashes to create insulation between the interior and exterior aluminum sections.
For door profiles, the strip must maintain thermal separation while remaining mechanically stable during profile assembly and repeated use.
Thermal break profiles are used in façade framing systems, including mullions, transoms and other thermally separated aluminum sections.
Customized thermal break sections can also be developed for aluminum extrusion systems with special dimensions or locking structures.
Jinxing controls the main production process internally:
PA66 nylon and glass fiber are sourced from imported suppliers or leading domestic brands. Incoming materials are checked for melt flow index, glass-fiber content and moisture.
Multiple parallel twin-screw extrusion lines are combined with self-developed molds and cooling systems. Extrusion temperature, pulling speed and cooling water temperature are controlled to maintain the required profile dimensions.
Jinxing's extrusion process controls glass-fiber orientation to support longitudinal strength and transverse shear resistance, helping the profile withstand insertion and roll-forming processes.
Quality inspection covers the main stages of production rather than relying only on final inspection.
Production samples are checked for cross-sectional dimensions and surface defects at regular intervals, with process parameters recorded for traceability.
According to the applicable requirements, Jinxing can evaluate density, Shore hardness, longitudinal and transverse tensile strength, water resistance, thermal aging and linear expansion characteristics.
Finished strips are inspected for appearance and dimensions before shipment, with an English inspection report available with the goods.
They are used to separate interior and exterior aluminum sections and reduce direct heat transfer through thermally broken aluminum profiles.
Jinxing's core products use PA66 nylon reinforced with 25% glass fiber, commonly referred to as PA66 GF25.
The range includes I-Type, C-Type, T-Type and special-shaped customized thermal break profiles.
They are mainly used in aluminum windows, doors, curtain walls and other thermally separated aluminum extrusion systems.
Yes. Jinxing can develop customized dimensions and cross-sections according to aluminum profile drawings or physical samples.
An aluminum profile drawing or sample, required strip dimensions, locking structure and assembly method are useful for selecting or developing the profile.
Jinxing supplies straight strips at 6 meters per piece and coiled strips at 500 meters per roll for suitable specifications.
Yes. Support can cover profile slot design, strip insertion, roll-forming conditions and related assembly problems.
Need a custom thermal break strip matched to your aluminum profile? Send your drawings or samples, or browse our PA66 GF25 thermal strut range.
