• Suzhou Polywell Engineering Plastics Co.,Ltd
    Mr. Paolo Celani
    Thank you very much for very good news! We appreciate your honesty and collaboration. You have supplied good dies, all sizes within tolerance. We have ordered dies for a total amount of more than 200,000 USD and we are continuing to order. Thank you again to you and your very professional team.
  • Suzhou Polywell Engineering Plastics Co.,Ltd
    Mr. Martyn Haines
    Thank you for your help with this order and if ever you need someone to tell customers how helpful you are just tell them to contact me.
  • Suzhou Polywell Engineering Plastics Co.,Ltd
    Mr. Dietmar Dürr
    I received your samples. I agree to Mr. Wölki, they looks pretty good. We will arrange the balance payment. Please pack the mold and send them asap.
Contact Person : Camille Cai
Phone Number : 86-13584481777
WhatsApp : +8613584481777

Soundproof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66

Place of Origin China
Brand Name Polywell
Certification SGS
Model Number PA66 GF25
Minimum Order Quantity 5000 Meters
Price Negotiation
Packaging Details Linear or roll
Delivery Time 10-15 working days
Payment Terms T/T, Western Union, MoneyGram
Supply Ability 100000 meters per day

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Material PA6.6 GF25% Length 6 Meters/piece Or Customized
Refractoriness 200-450°C Application Thermal Break Aluminum
Surface Treatment Galvanized+PVC Coated Width Customized
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Thermal Break Strip Glass Fiber Reinforced


Nylon PA66 Thermal Break Insulation Strip


PVC Coated PA66 Thermal Break Strip

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Product Description

Sound Proof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66 Factory Price

Product Introduction:

What is Polyamide Thermal Break Strip (PA66 GF25%)?

There are many different materials to produce thermal break strips, such as PA66 GF25%, ASA, ABS, PVC. Among them, polyamide material is the most popular material for thermal break. Thermal insulating profiles made of polyamide PA 66 GF25% (25% glass fiber reinforced polyamide) have significant advantages.


The coefficient of linear thermal expansion (linear elongation coefficient) of the polyamide profiles is equivalent to the aluminum profile. Therefore, the polyamide profile is not subjected to internal stresses after it is pressed to aluminum profile. This is one of the most important advantages of using the polyamide material as a thermal barrier.


Secondly, the deflection temperature of the polyamide profiles under load is high. Even at 200° C for about 15 minutes, no deformation occurs. Therefore, it can easily be heated in the ovens at the powder coating process.


Thirdly, polyamide profiles do not emit toxic gases in case of fire. They are environmentally friendly.

In addition, dimensional stability and resistance to chemicals of polyamide thermal barriers are high.

Soundproof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66 0  



What are the different types of polyamides?

Polyamide (PA) Polyamides are among the most important and proven technical thermoplastics, known for their heat resistance, stiffness and high mechanical stability Polyamides can be classified into different types, with PA 6, PA 6.6 and PA 12 most established on the market.

Our polyamide strips are made of PA6.6 reinforced by 25% fiberglass.

Soundproof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66 1  

Characteristic of PA strips:

Polyamide thermal breaks are extruded in dry state but they absorb moisture from the environment after the production as time passes. Moisture level depend the following conditions:

- Ambient temperature

- Ambient humidity

- Storage period

During the summer time, when the temperature and humidity in storage area are higher than usual, the insulating profiles absorb more moisture than in the remaining seasons, even stored properly.



Application and Advantages:

Aluminium window has the disadvantage of limited thermal insulation. Its Uf value, which indicates the amount of heat that passes through a window profile, is simply too high. If your windows have standard aluminium profiles, your home may develop condensation, or even mould. Besides the resulting high repair costs, household mould also aggravates respiratory problems such as asthma.

But that disadvantage has now been completely eliminated if you install polyamide strips in aluminum windows. In fact, thanks to the development of a new invention known as thermal break profiles, aluminium is at least as good as its competitors. In these profiles, produced with specialized machines, a polyamide strip is placed between the inner and outer sections of the profile.


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.

Soundproof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66 2


Product Parameters

Nylon Thermal Break Strips
PA66 GF25


GB/T 23615.1-2009
PW-Technical specification
Linear expansion coefficient
Vicat softening temperature
Melting point
Testing for tensile cracks
No cracks
No cracks
Shore hardness
Impact strength(Unnotched)
Tensile strength(longitudinal)
Elasticity modulus
Elongation at break
Tensile strength(transverse)
High temperature tensile strength(transverse)
Low temperature tensile strength(transverse)
Water resistance tensile strength(transverse)
Aging resistance tensile strength(transverse)

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

Soundproof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66 3


Our Company

Soundproof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66 4

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.

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.


Packing & Delivery

Packaging details:

For all specifications/shapes, they could be packaged in linear, the length will be 6 meters, or customized.

For the Shape "I", "C", and some simple shapes, they can be packed in rolls. 400-600 meters/roll.
Delivery details: shipped in 10-15 working days after receiving the payment

Soundproof Thermal Break Insulation Strip Glass Fiber Reinforced Nylon PA66 5




About Sample

Sample is Free, but the express fee is collect or you pay us the cost in advance.

About  MOQ

For the polyamide granules, MOQ is 1 ton. For the thermal break strips, MOQ is 5,000 meters. 

About Customizing Special shape of polyamide Profiles and its period

You can customize the special shape of polyamide strips. If we didn't meet this shape before, we will make new mold for you, and you should pay for the mold.

About Customizing Package Style and Marks

You can customize the package style and marks.

Why your price is higher/lower than others?

For years specializing in polyamide granules and thermal break strips has bestowed us experienced and skilled technical workers and production workers. We promise the stability of products and the high-quality of raw material. Furthermore, we can provide technical support from raw material to the final appliance. Believe in that you can get better products and service with lower price.

About warranty

We are confident in our products, and pack them well before delivery, so usually you will receive your order in good condition. . Any quality issue, we will deal with it immediately.

About Payment or other question

50% T/T before production, balance before shippment.

If you have any question, pls feel free to contact us as below:

Name: July

E-mail: july@szpolywell.cn

Wechat: 15651895387

Tel: +86-15651895387