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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.
Item | Unit | GB/T 23615.1-2009 | PW-Technical specification |
Density | g/cm3 | 1.3±0.05 | 1.28-1.35 |
Linear expansion coefficient | K-1 | (2.3-3.5)×10-5 | (2.3-3.5)×10-5 |
Vicat softening temperature | ºC | ≥230ºC | ≥233ºC |
Melting point | ºC | ≥240 | ≥240 |
Testing for tensile cracks | - | No cracks | No cracks |
Shore hardness | - | 80±5 | 80-85 |
Impact strength(Unnotched) | KJ/m2 | ≥35 | ≥38 |
Tensile strength(longitudinal) | MPa | ≥80a | ≥82a |
Elasticity modulus | MPa | ≥4500 | ≥4550 |
Elongation at break | % | ≥2.5 | ≥2.6 |
Tensile strength(transverse) | MPa | ≥70a | ≥70a |
High temperature tensile strength(transverse) | MPa | ≥45a | ≥47a |
Low temperature tensile strength(transverse) | MPa | ≥80a | ≥81a |
Water resistance tensile strength(transverse) | MPa | ≥35a | ≥35a |
Aging resistance tensile strength(transverse) | MPa | ≥50a | ≥50a |
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.
Sample is Free, but the express fee is collect or you pay us the cost in advance.
For the polyamide granules, MOQ is 1 ton. For the thermal break strips, MOQ is 5,000 meters.
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.
You can customize the package style and marks.
It is mainly used in thermal broken bridge aluminium windows and doors. It can reduce heat loss or heat gain through the aluminum and has better performance in terms of power usage.
1. Introduce products in detail
2. Recommend suitable solutions
3. Provide with reference information
1. Provide with layout and engineering conditions
2. Inform the processing status
3. Offer related documents
1. Provide installation, commissioning and training
2. Offer spare parts
3. Provide with necessary technical support
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.
Shipped in 7-15 working days after payment.
Welcome to visit our company!
Please feel free to contact us if you have any questions.
Lydia
E-mail: lydia@szpolywell.cn
Tel: +86-15601568506 (WhatsApp)
Address: Yangshe Town, Zhangjiagang City, Jiangsu Province, China.