Waterborne Polyurethane Dispersion Houxian® U4251

Product Features

Houxian® U4251 is an anionic aliphatic aqueous polyurethane dispersion. This product is free of APEO, NMP, and NEP, and can be used for printed packaging, textiles, and apparel. The product has the following features:
1. High cost-performance ratio
2. Good water resistance
3. Excellent weather resistance
4. Low odor
5. Good fold resistance
6. Good adhesion

Physical Properties*

Property</	Technical Specification</	Test Method</
Appearance	Transparent to translucent emulsion	Visual inspection
Solid Content (wt%)	34-36	GB/T 1725-2007 (140℃, 1g, 30min)
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 (%)	~200	GB/T 528-2009

*The performance information represents typical results and is not considered a specification. Product specifications are subject to the actual COA.

Packaging Specifications:

Plastic drums: 125 KG/drum, 1000 KG/drum

Storage:

This product should be stored in a dark, cool, and dry place at a temperature of 5-35°C, with the packaging kept intact. The shelf life is 6 months from the production date. After the shelf life, performance evaluation is recommended before use. This product must be strictly protected from frost or direct sunlight. Once the packaging is opened, it is recommended to filter appropriately before use and consume it as soon as possible.

Usage Precautions:

1. Stir thoroughly and perform performance testing before use. After use, seal and store properly. Do not mix with cationic substances or inks.
2. This product dries quickly; it is not recommended to expose it to air for a long time before use.
3. This product is a pilot test product. Product information may change in the future, and commercialization or continuous supply cannot be guaranteed at this time.

Disclaimer:

Guangdong Huaguoshan Environmental Protection Technology Co., Ltd. recommends that all customers handle this product safely and reasonably according to the Product Safety Data Sheet (SDS). The information and data in this technical datasheet are based on our research, experiments, and subjective standards. Factors such as product characteristics, applications, quality, safety, specifications, market suitability, and suitability for specific purposes may vary due to experimental conditions and unknown circumstances. Therefore, the information in this technical datasheet is for reference only. We make no guarantees, explicit or implied. Customers should verify the suitability of this product for their purposes before use. The company is not responsible for any losses or risks associated with the use of this product based on this datasheet.

Guangdong Huaguoshan Environmental Protection Technology Co., Ltd.
Address: Room 504, Building 15, Shunde Zhifu Park, No. 8 Second Ring Road, Gaozan Village Committee, Xingtan Town, Shunde District, Foshan City
Website: http://www.gd-hgs.com
Phone: 0757-23660729
Fax: 0757-23660729