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Multi-Cavity 35.3mm Thermal Barrier Bar Heat Break Strip for Aluminum Window and Home Decoration Toughened

Multi-Cavity 35.3mm Thermal Barrier Bar Heat Break Strip for Aluminum Window and Home Decoration Toughened

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Overview
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Multi-Cavity 35.3mm Thermal Barrier Bar Heat Break Strip for Aluminum Window and Home Decoration Toughened

Product Introduction

The broken bridge aluminium thermal break strip is an important criterion for distinguishing aluminium alloy doors and windows from broken bridge aluminium doors and windows. It is precisely because of the appearance of broken aluminium thermal break strips that the aluminium doors and windows of the broken bridge have good thermal insulation and sound insulation performance. The high-precision extruding polyamide thermal break strip is used in windows and doors. Inserted in the thermal break aluminium profiles, it is the part of the energy-saving window system for reducing heat conduction.

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Product Advantage:

Thermal break profiles have a much lower Uf value – and transmit much less heat or cold. As a result, a building stays warmer in winter while keeping the heat outside more easily in summer.

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Features:
1. The thermal expansion coefficient of PA66GF25 is similar to aluminium, thus ensuring that the product does not affect the integrity of the thermally insulated aluminium profiles.
2. High mechanical strength, able to connect a coatingtal hardware fithe assemblyhen bearing draw and shear stress.
3. Excellent product tolerance of less than 0.1mm, ensuring air and water tightness and overall composite profile dimensions.
4. High corrosion resistance, weather resistance, heat resistance, alkali resistance and long life of usage.
5. The working temperature of the thermal insulation strip is 200°C. This enables a coating process after the assembly of composite profiles.
6. Precise dimensions ensure the lifespan of aluminium extrusion tools, with no danger of bending or cracks during rolling, a very good knurling effect at the hammer head and ease of assembly.

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Polywell Performance of PA66 GF25 Thermal Break Profiles

NO.	Item	Unit	GB/T 23615.1-2009	PW-Technical specification
	Material Properties
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	ºC	≥230ºC	≥233ºC
4	Melting point (0.45MPa)	ºC	≥240ºC	≥240ºC
5	Testing for tensile cracks	-	No cracks	No cracks
6	Shore hardness	-	80±5	80-85
7	Impact strength (Unnotched)	KJ/m²	≥35	≥38
8	Tensile strength (longitudinal)	MPa	≥80^a	≥82^a
9	Elasticity modulus	MPa	≥4500	≥4550
10	Elongation at break	%	≥2.5	≥2.6
11	Tensile strength (transverse)	MPa	≥70^a	≥70^a
12	High temperature tensile strength (transverse)	MPa	≥45^a	≥47^a
13	Low temperature tensile strength (transverse)	MPa	≥80^a	≥81^a
14	Water resistance tensile strength (transverse)	MPa	≥35^a	≥35^a
15	Aging resistance tensile strength (transverse)	MPa	≥50^a	≥50^a

1. Sample water content is less than 0.2% by weight.
2. Normal laboratory condition: (23±2)ºC and (50±10)% relative humidity.
3. The specifications marked with "a" only apply to I-shaped strips; otherwise, the specifications concluded between the supplier and buyer through consultation shall be written in the contract or purchase order.

Application and Advantages

Polyamide strip is one of the most common materials used for years to create thermal breaks in curtain walls, commercial windows, doors, and more. It is installed between the interior and exterior profiles of the windows that form an insulating barrier between the two.

Polyamide is a plastic that insulates more than 500 times better than aluminium, so thermal break profiles have a much lower Uf value - and transmit much less heat or cold. As a result, your home stays warmer in winter, while keeping the heat outside more easily in summer.

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PA strips storage and handling

Because PA66 is a hydrophilic substance, it will absorb the surrounding water. The rate and amount of water absorption depend on the ambient temperature, ambient humidity and storage period.
The relative humidity is higher in summer than in other short-term storage seasons. High moisture content (more than 2%) will affect the quality of wear-resistant strips.
When the insulation single bundle is removed from the shelf, it may be deformed. If it is not straightened in time, it will cause permanent deformation.
Therefore, it is recommended to keep it horizontal in a ventilated and dry environment, pay attention to waterproof, stay away from heat source, avoid stress and minimize bending.
If you have any specific questions, please contact us and we are happy to provide you with relevant services.

Packages

Conventional straight package: 6m per piece. Cutting length can also be customized based on customer’s requirements.

Roll package: 300-500 meters per roll, limited to type I and type C.

According to the specific requirements of customers, large-scale production, packaging and computer laser code printing can be carried out.

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Our service
1. Expertise in the production of standard polyamide thermal break strips.
2. Respect customers' needs, provide customized products, try best to satisfy customers' requirements.
3. Fast service and on-time delivery.
4. Strict quality control system, each production process will be strictly supervised by us.
5. We can provide all products on the insulation strip production line and the technical support.

Our Company
Our Company is located in the city of Zhangjiagang, Jiangsu Province, China. We have been making research and development for special material of PA66 thermal insulation strip since 2006.We have a deep understanding and rich experience of the relevant industry during this year.
We expanded our business scope since the year of 2010. We not only produce PA66 granules and PA66 thermal barrier strips, but also sell parallel twin-screw granulator, extruding machine, mould and production technology.
we are developing overseas market. We are going to promote our products all around the world, to seek win-win cooperation, mutual benefits and mutual development with our customers.

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