Waterborne Polyurethane Dispersion Houxian® U4251

Product Features：

Houxian® U4251 is an anionic aliphatic waterborne polyurethane dispersion. Free of APEO, NMP and NEP, this product can be applied in printing and packaging, as well as textiles and apparel fields.It boasts the following characteristics:

• High cost performance
• Good water resistance
• Excellent weather resistance
• Low odor
• Good folding resistance
• Strong adhesion

 

Physical Properties：

Characteristics	Technical Specifications	Test Method
Appearance	Transparent to translucent emulsion	Visual inspection
Solid Content (wt%)(140℃, 1g, 30min)	34–36	GB/T 1725-2007
Viscosity (25℃, mPa·s)	≤500	GB/T 2794-2022
pH Value (25℃)	7–9	GB/T 8325-1987
100% Modulus (MPa)	~4	GB/T 528-2009
Elongation at Break (%)	~200	GB/T 528-2009

*These properties represent typical results only and are not to be construed as specifications. Product specifications shall be subject to the specific Certificate of Analysis (COA).

 

Packaging Specifications：

Plastic Drum: 125 KG/drum; 1000 KG/drum

 

Storage：

This product should be stored in a light-proof, cool and dry place at a temperature ranging from 5℃ to 35℃, with the package kept intact. The shelf life of the product is 6 months from the date of manufacture. For products beyond the shelf life, it is recommended to conduct a performance evaluation before use. The product must be strictly protected from frost or direct sunlight. After opening the package, proper filtration is recommended before use, and the product should be used up as soon as possible.

 

Precautions for Use：

Stir thoroughly before use and conduct a performance test. Seal the package tightly after use and do not mix it with cationic substances or printing inks.

This product has a fast drying speed; long-term exposure to air before use is not recommended.

This product is a pilot-scale product. Product information may be subject to change in the future, and the commercialization and continuous supply of this product are not guaranteed at present.