How to Compare Dimethylurea and Urea Hardeners Prices?
When looking to purchase hardeners, especially for industrial use, one of the most critical factors to consider is the price. Currently, two commonly used types of hardeners are dimethylurea (DMU) and urea hardeners. Understanding the differences between these two types of hardeners is essential when it comes to comparing their prices.
Dimethylurea and urea hardeners both contain carbamate groups, which react with free formaldehyde during thermosetting. This reaction occurs when the temperature around the hardener reaches about 120℃. While DMU hardeners are more expensive than urea, they are known for their exceptional adhesive and coating performance. Additionally, DMU hardeners are environmentally friendly and safe for use in double-glazed Windows.
Urea hardeners, on the other hand, are cheaper but are known to have a distinct formaldehyde odor. Even though the odor disappears after hardening upon heating, residue left on the equipment can still prove to be irritating to workers.
When comparing prices between DMU and urea hardeners, it is crucial to consider the usage of the hardener, the level of performance required, and the impact on the environment. In general, where high-performance adhesives are required, DMU hardeners are ideal. However, for low-performance coating applications, urea hardeners may be suitable. .
Another factor to consider when comparing prices is the long-term environmental impact. While DMU hardeners are environmentally friendly, urea hardeners containing formaldehyde are harmful to the environment when exposed to it in its raw form. Thus, DMU hardeners may have a higher price tag, but the overall cost may be lower due to their eco-friendly properties.
In summary, when comparing DMU and urea hardener prices, it is vital to consider their usage, performance, and environmental impact. While DMU hardeners may be more expensive, their eco-friendly and superior performance factors offset the cost, making them a more economical and better choice in the long run.
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