Haitec Windows & Doors Profile

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Haitec Windows & Doors Profile Established in 2001, HAITEC Profile has been a leading manufacturer in the Chinese windows & doors industry.

Our product range includes UPVC profiles, aluminum profiles, finished doors and windows, and accessories.

Recomendación de perfil de alta calidad para construcciónCara exterior: capa coextruida ASA resistente al clima + acabad...
25/06/2026

Recomendación de perfil de alta calidad para construcción

Cara exterior: capa coextruida ASA resistente al clima + acabado estampado anti-desvanecimiento
Cara interior: recubrimiento con película decorativa de gama alta

💥 Ventajas destacadas:
1. Precio más competitivo frente al modelo de doble cara con película
2. Aspecto elegante en la fachada exterior, no pierde el color con el sol ni la lluvia
3. Acabado interior premium, combina perfectamente con cualquier estilo de decoración residencial y comercial
¿Busca perfiles duraderos y estéticos para su proyecto? Contáctenos para más detalles y muestras gratuitas.

17/06/2026

Why do some uPVC profiles turn yellow over time?

The primary cause is the degradation of PVC molecular chains under prolonged exposure to UV radiation and heat. When the stabilization system is insufficient or low-quality raw materials are used, dehydrochlorination can occur, leading to the formation of conjugated double bonds that gradually change the profile color from white to yellow.

Several factors can accelerate yellowing:
✔ Low-quality or insufficient TiO₂
✔ Poor heat stabilization during extrusion
✔ Excessive recycled material content

Preventing discoloration starts with the right formulation. High-quality TiO₂, efficient stabilizer systems, optimized processing conditions, and strict raw material control all play critical roles in maintaining long-term color stability and weather resistance.

At Haitec Profile, we focus on formulation balance and manufacturing consistency to help ensure our uPVC profiles remain bright, durable, and attractive for years of outdoor service.

Upgrade your window & door solutions with our newly optimized UPVC profiles!Exterior: Sleek, timeless finishes that with...
11/06/2026

Upgrade your window & door solutions with our newly optimized UPVC profiles!
Exterior: Sleek, timeless finishes that withstand harsh outdoor elements. Zero fading, elegant plain textures to complement any building style perfectly.
Interior: A wide range of premium customizable surface designs to match all interior aesthetics and upgrade your living space.
Big Cost Saving: Enjoy premium-quality window profiles at 30% lower cost.
Looking for cost-effective yet high-grade door & window materials? Send us a message for more details!

02/06/2026

Titanium Dioxide (TiO₂) is essential for high-quality uPVC profiles, providing excellent UV resistance, weatherability, and long-lasting whiteness. At Haitec Profile, we use premium-grade TiO₂ to ensure durable and reliable performance.

20/05/2026

Calcium powder plays a vital role in uPVC profiles by improving rigidity, dimensional stability, and overall processing performance when used in a balanced formula.

18/05/2026

Premium TiO2 is the key to long-lasting uPVC profiles — enhancing weather resistance, color stability, and surface durability for years of reliable performance.

Haitec Profile is still busy in production — every line running at full capacity.

12/05/2026

Lead-free stabilizers ensure smooth, stable uPVC production while delivering safe, non-toxic, and environmentally responsible performance.

09/05/2026

Thanks to the trust of customers worldwide, all our production lines are running at full capacity.

Address

Nenjiang Road No. 188
Huaian
223300

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