In the field of insulation materials, aerogel is hailed as the "king of heat insulation".In the field of insulation materials, aerogel is hailed as the "king of heat insulation". And aerogel felt, as its core application form, the selection of specifications directly affects the project cost and effect. And aerogel felt, as its core application form, the selection of specifications directly affects the project cost and effect. Among them, "whether the aerogel felt can be 1. Among them, "whether the aerogel felt can be 1.5 meters wide" is a frequently discussed issue in the industry and also the core concern of many buyers and constructors. Today, based on industry standards and practical applications, we will deeply analyze and explain it for you, helping you avoid selection mistakes. 
I.5 meters wide" is a frequently discussed issue in the industry and also the core concern of many buyers and constructors. Today, based on industry standards and practical applications, we will deeply analyze and explain it for you, helping you avoid selection mistakes. 
I. Core Conclusion: 1.5 meters in width is the mature specification, compliant and stable.
Let's make this clear first: The width of the aerogel felt can reach 1.5 meters, and it is one of the mainstream standard specifications in the industry. 
 Core Conclusion: 1.5 meters in width is the mature specification, compliant and stable.
Let's make this clear first: The width of the aerogel felt can reach 1.5 meters, and it is one of the mainstream standard specifications in the industry. 
According to the national standard GB/T 34336-2017 "Nanoporous Aerogel Composite Insulation Products", there are specific requirements for the size deviation of the aerogel felt. The 1.5-meter-wide product fully complies with the specifications. The measured volume density deviation does not exceed 20%, and the tensile strength (I-III types) is not less than 200 kPa, which can meet the usage needs of various industrial and construction scenarios. 
From the production perspective, with the widespread adoption of the horizontal supercritical drying technology, the production difficulty of 1.5-meter-wide aerogel mats has significantly decreased. Enterprises like Utzen, which possess a complete industrial chain capability, can achieve stable supply of 1.5-meter-wide products by optimizing production line parameters, and the performance of these products is no different from that of regular specifications. 
II.  Why is it said that "foam insulation board cannot be 1.5 meters wide"? The truth lies in these two points:
1. Early production limitations: 
Ten years ago, the production of aerogels mostly relied on vertical supercritical equipment, which had a limited width and made it difficult to consistently produce products 1.5 meters wide. This led to some people forming an inherent perception. However, nowadays, horizontal continuous production lines have become the mainstream, and there are no technical barriers for producing 1.5-meter-wide products. 
2. Cost concerns: 
The production efficiency of products with a width of 1.5 meters is slightly lower than that of 1.2 meters wide products. Moreover, the space utilization during transportation and storage is slightly lower. Some enterprises will preferentially recommend 1.2 meters wide products. However, from the perspective of the entire life cycle cost, 1.5 meters wide products have a higher long-term cost performance due to their higher construction efficiency and less heat loss. 
IⅢ. Purchasing 1.5-meter-wide aerogel sheet
1. Key 4 indicators to pay attention to
1. Thermal conductivity: 
At a temperature of 25℃, the thermal conductivity of a high-quality 1.5-meter-wide aerogel sheet should be no more than 0.020 W/(m·K). This is the core factor ensuring the insulation effect and is also the core advantage of aerogel compared to traditional materials. 
2. Fire Resistance Rating: 
Products of types I-III must meet the A1 standard (non-combustible), while type IV should not be lower than the A2 standard to ensure that the project's fire safety requirements are met. 
3. Hydrophobicity: 
The water repellency rate is ≥ 98%. It can effectively prevent water from seeping in, avoiding the deterioration of the insulation layer due to moisture, and is particularly suitable for humid environments. 
4. Production Qualifications: 
Choose enterprises that have obtained the GB/T 34336-2017 certification and possess independent intellectual property rights. Avoid purchasing inferior products with unstable manufacturing processes. 
Ⅳ. Construction Precautions: Ensure that the 1.5-meter-wide aerogel sheet achieves maximum effect.
1. Before laying, check the flatness of the base surface. If the base is uneven, it needs to be leveled first to avoid the aerogel sheet hanging up, which could cause local overheating. 
2. The 1.5-meter-wide aerogel sheet is relatively lightweight. During installation, it requires the use of special fixing devices (such as straps or clips) for fixation to prevent displacement. Especially in pipeline insulation, it is necessary to ensure a perfect fit. 
3. If the project requires waterproofing, a waterproof protective layer can be laid on the surface of the aerogel felt, thereby further enhancing the overall moisture-proofing ability. 
The aerogel sheet can be as wide as 1.5 meters and is a mature, compliant and cost-effective option. 
Whether it is insulation for industrial equipment, energy-saving renovations for buildings, or applications in the field of new energy, the 1.5-meter-wide specification can meet the requirements. The key is to select the right product based on the project scenario, control the quality, and ensure proper construction details. This way, the thermal insulation value of the aerogel sheet can be fully utilized, achieving energy savings and cost reduction.