Polyaspartic Ester BH-PU-1520

Product Features

1. High Solid Content: Active content ≥96%, significantly reducing volatile organic compound (VOC) emissions, meeting modern environmental protection and sustainability requirements.

2. NH Equivalent: The NH equivalent is 290 g/mol, ensuring the formation of a highly cross-linked cured product during the reaction, resulting in extremely high mechanical strength and durability.

3. Long Gel Time: Gel time extends up to 60 minutes, providing sufficient working time for construction operations, especially suitable for large area coatings or detailed sealing projects.

4. High Hardness After Curing: The cured product exhibits excellent hardness and wear resistance, maintaining long-lasting mechanical performance in various harsh environments.

Technical Parameters

· Appearance: Colorless or light yellow transparent liquid

· Active Content: ≥96%

· Viscosity: 1000±200 mPa.s

· NH Equivalent: 290 g/mol

· Gel Time: 60 minutes

· Cured Hardness: High hardness

Application Fields
BH-PU-1520 is widely used in the following areas:

· High-Performance Coatings: Due to its extremely high cured hardness and excellent wear resistance, this product is ideal for protective coatings for building exteriors, industrial equipment, and infrastructure. In harsh environments such as humid, rainy, or highly corrosive industrial settings, it provides durable protection for substrates.

· Sealants: The long gel time of BH-PU-1520 makes it particularly suitable for sealing projects requiring precision, such as long-term sealing of complex structures in buildings, bridges, and tunnels. Its high hardness and durability after curing ensure that the sealant remains stable during long-term use.

Product Advantages

· Extended Working Time: With a gel time of 60 minutes, it provides a longer operational window, facilitating construction of complex structures, suitable for large area coatings and detailed sealing tasks, effectively reducing rework and material waste.

· Outstanding Mechanical Performance: The high hardness of the cured product offers excellent wear and impact resistance, suitable for use in high mechanical stress environments, extending the lifespan of coatings or sealants.

· Excellent Environmental Friendliness: The high solid content ensures low VOC emissions, making it compliant with environmental regulations and green building standards, suitable for projects with strict environmental requirements.

Usage Recommendations

· Application Temperature: It is recommended to apply in environments above 5°C to ensure optimal curing effects and product performance.

· Mixing and Curing: This product can be used with appropriate curing agents according to specific application needs to achieve the best curing speed and final hardness.

· Storage Conditions: Store the product in a cool, dry environment, avoiding direct sunlight and high temperatures to ensure stable performance and extend its shelf life.