Low-odor catalyst LE-15: Technical support for stronger adhesion for high-performance sealants

Date：2025-03-12 Categories：News

Low Odor Catalyst LE-15: The “behind the Scenes” of High-Performance Sealant

In the field of building materials and industrial manufacturing, sealants are like the “adhesive” between buildings and machinery, tightly connecting different materials. Among them, the low-odor catalyst LE-15 plays an indispensable role. It is like an unknown artist, giving sealants stronger adhesion and longer service life in their own unique way. This article will explore the performance characteristics, application scope and its contribution to the development of high-performance sealant technology in depth, and through rich data and literature support, it will unveil the mystery of this magic catalyst.

What is low-odor catalyst LE-15?

Definition and Function

Low Odor Catalyst LE-15 is a highly efficient catalyst designed for silicone sealants and other silicone materials. Its main function is to accelerate the silicone cross-linking reaction, thereby improving the curing speed and final strength of the sealant. Compared with traditional catalysts, LE-15 has a lower volatile odor, which not only improves the comfort of the construction environment, but also reduces the impact on human health. Therefore, today, with increasingly stringent environmental protection requirements, LE-15 has become the preferred catalyst for many high-end sealant products.

Core Advantages

Low Odor: significantly reduces the irritating odor generated during construction and improves the working environment.
High efficiency: Accelerate the curing reaction and shorten the construction cycle.
Strong adhesion: Improve the adhesion between the sealant and the substrate to ensure long-term stable performance.
Weather Resistance: It can maintain excellent performance even in extreme climates.

Detailed explanation of technical parameters of LE-15

To better understand the characteristics of LE-15, the following are some key technical parameters (see Table 1):

parameter name	Unit	Value Range
Appearance	–	Light yellow transparent liquid
Density	g/cm³	0.95~1.05
Viscosity	mPa·s	20~50
Volatile organic matter content	%	≤1.0
Currency time (25°C)	h	3~6
Large use temperature	°C	150

Table 1: Main technical parameters of low-odor catalyst LE-15

From the table above, it can be seen that LE-15 has a low volatile organic matter (VOC) content, which makes it more environmentally friendly; at the same time, its moderate density and viscosity also ensure good operability and uniform distribution ability.

Application scenarios of LE-15

Construction Industry

In the construction industry, LE-15 is widely used in glass curtain walls, door and window installation, and roof waterproofing. For example, in the glass curtain wall seal of high-rise buildings, LE-15 can ensure that the sealant maintains good elasticity and UV resistance for a long time, effectively preventing rainwater leakage and air penetration.

Automotive Manufacturing

The automobile manufacturing industry has extremely strict requirements for sealants, and it is necessary to take into account high temperature resistance, vibration resistance and strong bonding properties. The LE-15 can meet these harsh conditions, especially in the field of headlight packaging and body sealing strips, which perform well, helping the vehicle achieve better sound insulation and waterproofing.

Electronics and Electrical

For precision instruments and electronic products, sealants must not only have excellent insulation properties, but also resist the corrosion of various chemical substances. With its excellent stability and compatibility, the LE-15 has become an ideal choice for many high-end electronic devices.

The current situation and development trends of domestic and foreign research

In recent years, with the increasing global awareness of environmental protection, the research and development of low-odor catalysts have received widespread attention. According to a review article published in an authoritative foreign journal, “The development direction of catalysts in the future will be to further reduce VOC emissions and improve catalytic efficiency.” Domestic scholars are also actively exploring new catalyst formulas, striving to break through the bottlenecks of existing technology.

For example, a study from the Department of Chemical Engineering of Tsinghua University showed that by introducing nanoscale metal oxides as auxiliary components, the catalytic activity of LE-15 can be significantly improved while reducing its use, thereby reducing costs and optimizing comprehensive performance. In addition, researchers have tried to incorporate bio-based materials into the catalyst system in order to develop fully degradable green products.

Conclusion

The low-odor catalyst LE-15 is not only an important driving force behind high-performance sealants, but also one of the key technologies that push the entire industry toward green and environmental protection. It has its uniquePerformance advantages show extraordinary value in many application scenarios. With the advancement of science and technology and the changes in market demand, we have reason to believe that innovative products like LE-15 will usher in broader development space.

As an old saying goes, “Details determine success or failure.” In the seemingly ordinary world of sealant, it is precisely because of the existence of a catalyst like LE-15 that makes our lives better. Let us look forward to more exciting breakthroughs in this field together!

Tags：Low-odor catalyst LE-15: Technical support for stronger adhesion for high-performance sealants

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