Double layer aluminum alloy roller shutter door, as the name suggests, is a roller shutter door made of double layer aluminum alloy curtains, which is a significant improvement in technology and function of traditional roller shutter doors. This door is mostly used for external doors in mid to high-end factories, especially suitable for logistics warehouses with high requirements for work efficiency. At the same time, it can also meet some special requirements in industries such as food processing, medicine, and chemical industry.

以湘联卷帘门为例，双层铝合金卷帘门都是采用双层高强度、高韧性、耐腐蚀铝合金挤压成型，坚固耐用、安全可靠。外表采用特殊表面处理工艺，耐久性强，抗老化、抗腐蚀、不褪色，密封性强，可抗风压，美观、不生锈、易维护，长久如新。

Taking Xianglian rolling shutter doors as an example, double-layer aluminum alloy rolling shutter doors are made of double-layer high-strength, high toughness, and corrosion-resistant aluminum alloy extrusion molding, which is sturdy, durable, safe, and reliable. The appearance adopts special surface treatment process, which has strong durability, anti-aging, corrosion resistance, fadeless, strong sealing, wind pressure resistance, beautiful appearance, no rust, easy maintenance, and long as new.

同时由于采用整体门框结构从而保障了门承重结构的安全和整体运行平稳，运行时平稳，安全可靠；并具有低噪音、速度快、开启频率高、安全性能好，便于布置等多个优点。

At the same time, due to the use of an integral door frame structure, the safety of the door load-bearing structure and the overall smooth operation are ensured, and the operation is stable, safe and reliable; And it has multiple advantages such as low noise, fast speed, high opening frequency, good safety performance, and easy layout.

双层铝合金卷门与传统的卷帘门相比的优势有：

The advantages of double-layer aluminum alloy rolling doors compared to traditional rolling shutter doors are:

1.强度提升：增加了一层帘片从而使门的强度在很大程度上得到了提升；

1. Strength improvement: By adding a layer of curtains, the strength of the door has been greatly improved;

2.抗灾害性能提高：双层的帘片在经过特殊的工艺处理，能具有抵抗自然灾害（飓风、沙尘暴）的能力；市场上的双层帘片有很多通过了性抗风压性能测试，如湘联的防飓风帘片能抵抗11级大风；

2. Improved disaster resistance: The double-layer curtain, after special processing, can resist natural disasters (hurricanes, sandstorms); Many double-layer curtains on the market have passed international wind pressure resistance tests, such as Xianglian's anti hurricane curtains, which can withstand strong winds of level 11;

3.坚固防护，安全放心：高强度、高韧性的铝合金材料，结合防上推安全装置，犹如一道坚固的防护墙，将您的人身安全、财产安全全方位的保护起来，窃贼在外无计可施；

3. Durable Protection, Safe and Reliable: High strength and high toughness aluminum alloy material, combined with anti push safety devices, acts like a sturdy protective wall, protecting your personal and property safety from all angles. Thieves are helpless outside;

4.隔音降噪，免除干扰：卷帘门材质隔音系数大，能有效降低噪音污染；

4. Sound insulation and noise reduction, eliminating interference: The rolling shutter door material has a large sound insulation coefficient, which can effectively reduce noise pollution;

5.更先进的开启方式：结合电机驱动，可以更方便地实现无线遥控；

5. More advanced opening method: combined with motor drive, it can more conveniently achieve wireless remote control;

6.保温隔热，节能环保：双层的门板设计，保温效果极佳。中介填充的发泡物质不含碳氢氟化物，保持室内温度，节省能源，绿色环保。

6. Thermal insulation, energy conservation and environmental protection: The double-layer door panel design provides excellent insulation effect. The foam material filled with the intermediary does not contain hydrocarbons or fluorides, maintaining indoor temperature, saving energy, and being green and environmentally friendly.

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