Window/Door Thermal Break Strips for Aluminum Frames

Crafted from premium Polyamide 66 (PA66) base resin and precisely reinforced with 25% Glass Fiber (GF25), our PA66GF25 Insulating Glazing Bars deliver high mechanical strength, dimensional stability, and weather resistance. Engineered to withstand extreme temperatures, wind loads, and long-term stresses in fenestration systems, they ensure enduring structural integrity – the essential core for high-performance, energy-efficient windows and doors. Low thermal conductivity effectively blocks heat transfer, boosting building energy efficiency.

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Thermal Break Strips For Aluminum Frames Thermal Break Strips Window/Door Thermal Break Strips

Product Description

Product Overview

Window/Door Thermal Break Strips for Aluminum Frames are designed to provide exceptional insulation and durability in fenestration systems. Crafted from premium Polyamide 66 (PA66) and reinforced with 25% Glass Fiber, these thermal break strips deliver impact-resistant Window/Door Thermal Break Strips for Aluminum Frames and high-tensile Window/Door Thermal Break Strips for Aluminum Frames, ensuring long-lasting strength even under extreme temperatures and mechanical stresses. The precision-fit Window/Door Thermal Break Strips for Aluminum Frames design guarantees easy installation and seamless integration with aluminum frames.

Model NO.	SM-C148 (4.4)	Customized	Customized
Material	Polyamide66 Reinforced by 25%Glass Fiber	Color	Single Color（Black）
Application	for Thermal Break Aluminum Profile	Raw Material	PA66 GF25 Granules
Markets Served	Windows & Doors	Technical Performance	GB/T 23615.1-2009
Print	Customized Laser Printing	Transport Package	Roll or Linear
Material Properties	High Temp Resistance （≥220 °C）	HS Code	3926909090

As a professional PA66GF25 Thermal Bridging Strips manufacturer, Shuangming provides customers with comprehensive supporting services and consistently stable product quality.

Window/Door Thermal Break Strips for Aluminum Frames

Product Advantage

Key Features & Core Benefits

Shuangming's Heat Blocking Polyamide Strips ensures optimal glass fiber dispersion, delivering:Enhanced tensile strength，Superior shear stress resistance， Exceptional mechanical robustness.
A variety of PA66GF25 Window Insulation Bars are available to meet different design requirements and machining needs such as drilling and milling, ensuring long-term stability for thermally insulated aluminum alloy windows, doors, and glass curtain walls, while also allowing direct connection to door and window hardware.
GF25 Reinforced Polyamide 66 Strips exhibit a linear expansion coefficient highly compatible with aluminum alloy profiles, ensuring a consistently tight bond between the thermal break and the aluminum under various environmental conditions, with no risk of displacement or detachment.
Thermal Break Strips for Aluminum Windows feature exceptional high-temperature resistance, making them perfectly compatible with the subsequent deep-processing requirements of aluminum alloy profiles, ensuring a stable and efficient production process.
PA66GF25 Glass-Fiber Reinforced Nylon Strips are precision-engineered to maintain tight dimensional tolerances within ±0.5mm, significantly enhancing the air and water tightness of aluminum alloy windows and doors.

Shuangming offers over 200 profile variations of Glass-Filled Polyamide Insulation Strips, providing architects and manufacturers with unparalleled design flexibility.

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Technical Parameters

NO.	Item	Unit	GB/T 23615.1-2009	SM-Technical specification
1	Density	g/cm³	1.3±0.05	1.28-1.35
2	Linear expansion coefficient	K⁻⊃1;	(2.3-3.5)×10⁻⁵	(2.3-3.5)×10⁻⁵
3	Vicat softening temperature	°C	≥230	≥240
4	Melting point(0.45MPa)	°C	≥240	≥255
5	Testing for tensile cracks	-	No cracks	No cracks
6	Shore hardness	-	80±5	80-85
7	Impact strength(Unnotched)	KJ/m²	≥35	≥40
8	Tensile strength(longitudinal)	MPa	≥80	≥84
9	Elasticity modulus	MPa	≥4500	≥4600
10	Elongation at break	%	≥2.5	≥4
11	Tensile strength(transverse)	MPa	≥70	≥80
12	High temperature tensile strength(transverse)	MPa	≥45	≥50
13	Low temperature tensile strength(transverse)	MPa	≥80	≥85
14	Water resistance tensile strength(transverse)	MPa	≥35	≥45
15	Aging resistance tensile strength(transverse)	MPa	≥50	≥60

Regarding Low Thermal Conductivity Polyamide Strips,our company possesses professional design capabilities and premium products, serving a vast number of window and door manufacturers across China.

Window/Door Thermal Break Strips for Aluminum Frames