Regional differentiation and global layout: two-component silicone insulating glass adhesive industry opens up a new development track

Since 2025, the two-component silicone insulating glass adhesive industry has shown development characteristics of "highlighting regional characteristics, innovating construction technology, and accelerating export growth" driven by regional market demand differentiation and global layout. As a key material in the field of insulating glass sealing, the total production of two-component silicone insulating glass adhesive in China reached 92000 tons in 2024, a year-on-year increase of 14.8%. Among them, the proportion of regional customized products increased to 38%, and the export volume exceeded 15000 tons, an increase of 52% compared to 2023. The industry development shows a trend of diversified breakthroughs.
The differentiation of regional market demand has given rise to customized products. The climate characteristics and building needs of different regions are driving the development of two-component silicone adhesive products towards "tailored to local conditions": In the Yangtze River Delta region, affected by high humidity during the rainy season and high temperatures in summer, enterprises have launched "moisture and heat resistant two-component silicone adhesive". By adding special mold inhibitors and heat-resistant modifiers, the product's mold resistance level reaches level 0 in 85% humidity and 70 ℃ environment, and the water vapor transmission rate is as low as 0.12g/m ² · d. In 2024, the usage rate of this type of product in landmark projects such as Shanghai and Hangzhou exceeded 65%, accounting for 42% of the regional market share; Due to the frequent winter fog and large temperature differences in the Chengdu Chongqing region, Sichuan Silicon Treasure has launched a "wide temperature range two-component silicone adhesive" that can maintain stable performance in the range of -30 ℃~90 ℃, with an elastic recovery rate of 97%, suitable for the sealing needs of super high-rise projects such as Chongqing Raffles City. In 2024, sales in the southwest region increased by 48% year-on-year; The Pearl River Delta region focuses on "fast drying products". Guangdong Hongchang Electronics has developed a fast curing two-component silicone adhesive, which shortens the surface drying time to 1.5 hours, improving efficiency by 50% compared to traditional products and adapting to the rapid construction pace of the Guangdong Hong Kong Macao Greater Bay Area. By 2024, its penetration rate in commercial construction projects in the region will reach 58%.
Construction technology innovation improves industry application efficiency. With the acceleration of construction industrialization, the construction process of two-component silicone adhesive has shifted from "manual operation" to "intelligence and standardization". In the field of prefabricated components, Jiangsu Chengguang has launched the "Prefabricated Hollow Glass Special Adhesive Application System", which achieves uniform coating of sealant through robot automatic proportioning (accuracy ± 0.3%) and constant temperature control (error ≤ 2 ℃), shortening the adhesive application time of single glass from 25 minutes to 8 minutes and increasing the yield rate to 99.2%. It has been applied in the prefabricated component production base in Suzhou; In the on-site construction process, Beijing Jinyu has developed a "portable two-component gluing equipment" that weighs 40% less than traditional equipment. It is equipped with an intelligent flow control system that can adjust the gluing speed in real time and adapt to narrow construction spaces in the renovation of old buildings. By 2024, more than 300 units will be promoted and used in the Beijing Tianjin Hebei old renovation project, increasing construction efficiency by 35%. At the same time, the industry is promoting the standardization of construction technology. The China Building Metal Structure Association has released the "Technical Guidelines for the Construction of Two Component Silicone Hollow Glass Adhesive", which specifies 12 key parameters such as adhesive thickness and curing time. By 2024, the proportion of standardized construction projects nationwide will increase to 53%, an increase of 18 percentage points from 2023.
Expanding international trade opens up global market space. Relying on the improvement of product performance and the ability to adapt to international standards, the export market of two-component silicone insulating glass adhesive in China has extended from Southeast Asia to Europe, America, the Middle East and other regions. In the Southeast Asian market, enterprises optimize product weather resistance formulas for the local high temperature and high humidity climate. Guangzhou Baiyun Chemical's two-component silicone adhesive has passed the Thai Industrial Standards (TISI) certification. In 2024, the sales volume of BIPV projects in photovoltaic power plants in Vietnam, Malaysia and other countries exceeded 3000 tons, accounting for 28% of the regional export volume; In the European market, Hangzhou Zhijiang Organic Silicon's products have passed the EU CE certification and France A+environmental certification, with VOC emissions as low as 65g/L, meeting the requirements of the EU's Building Product Regulation (CPR). By 2024, they will enter the green building supply chain in countries such as Germany and Italy, with a year-on-year increase of 78% in export value; In the Middle East market, facing extreme high temperatures (with the highest temperature exceeding 50 ℃ in summer), Shandong Baolong has launched "high-temperature resistant two-component silicone adhesive" with a thermal weight loss rate of less than 3%. In 2024, it will achieve mass supply in the NEOM Future City project in Saudi Arabia, driving a 65% increase in export volume in the Middle East region. According to customs data, the export value of two-component silicone insulating glass adhesive in China will reach 480 million yuan in 2024, an increase of 52% compared to 2023. Among them, high-end product exports account for 45%, which is a premium of 18% to 25% compared to domestic products.
The upgrading of industrial chain supporting facilities supports the development of the industry. In the upstream raw material field, domestic enterprises have achieved breakthroughs in key raw materials such as high-purity siloxane and special fillers. By 2024, the self-sufficiency rate of high-purity dimethyl siloxane will reach 92%, an increase of 50 percentage points from 2018, and the cost of raw materials will decrease by 12%; In the field of testing services, third-party testing institutions such as SGS and Puni Testing have launched a "two-component silicone adhesive full testing package", covering 28 indicators such as weather resistance and environmental protection. The testing cycle has been shortened from 15 days to 7 days, and the number of service enterprises will increase by 40% in 2024; In terms of logistics support, in response to the characteristic of two-component silicone adhesive requiring low-temperature storage, SF Express and JD Logistics have launched a "constant temperature transportation line", using temperature controlled carriages ranging from -5 ℃ to 10 ℃. By 2024, the coverage rate of constant temperature transportation nationwide will increase to 78%, effectively reducing product transportation losses.
The synergy between policies and standards helps regulate the industry. At the local level, the Yangtze River Delta region has launched the "Dual Component Silicone Adhesive Regional Mutual Recognition Standard", and Shanghai, Jiangsu, and Zhejiang have unified product testing methods and quality requirements. By 2024, the circulation efficiency of mutually recognized products in the region will be improved by 30%; In the field of green building, the Ministry of Housing and Urban Rural Development has included the use of low VOC two-component silicone adhesive in the green building evaluation sub item. By 2024, the proportion of green building projects nationwide that adopt this type of product will reach 68%, an increase of 22 percentage points from 2023. At the same time, industry associations have launched the construction of a "quality traceability system". Currently, 45 enterprises have connected to the national two-component silicone adhesive quality traceability platform. Consumers can scan the code to query product production, testing and other information, promoting the transparent development of the industry.
Industry experts point out that the two-component silicone insulating glass adhesive industry has entered a new stage of "regional customization+global competition". It is expected that by 2028, the proportion of regional customized products will exceed 55%, the proportion of export volume will increase to 25%, and the construction intelligence rate will reach 70%. In the future, the industry will focus on three major directions: "deep mining of regional demand", "intelligent upgrading of construction technology", and "adaptation to international standards", promoting the development of products towards "more precise adaptation, more efficient construction, and wider compatibility", and helping China transform from a major producer of two-component silicone adhesive to an industrial powerhouse.