Hydroxypropyl Dispersion Houxian® 5042A

Product Characteristics

Houxian® 5042A is a secondary acrylic dispersion containing hydroxyl functional groups with high air-dry hardness. Combined with hydrophilic polyurethane curing agents, it is widely used in fields such as construction machinery, locomotives, coaches, large-scale steel structures and plastic clear coats. This product has the following characteristics:

1. High gloss and high build
2. High hardness and long activation period
3. Usable as a co-reactant in two-component waterborne polyurethane systems

Physical Properties*

Characteristics	Technical Indicators	Test Methods
Appearance	Milky white liquid	Visual inspection
Solid Content (wt%)(140℃, 1g, 30min)	45±1	GB/T 1725-2007
Viscosity (25℃, mPa·s)	100-5000	GB/T 2794-2022
pH Value (25℃)	6.5-9.0	GB/T 8325-1987
Hydroxyl Content (based on solids, wt%)	~4.2	GB/T 31412-2015
Density (g/cm³)	~1.06	GB/T 6750-2007

*The performance data presented herein are typical results only and shall not be deemed 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 dark, cool and dry place at a temperature of 5–35℃ with the packaging kept intact. The shelf life of this product is 6 months from the date of production. For products beyond the shelf life, performance evaluation is recommended prior to use. This product must be strictly protected from frost or direct sunlight. After opening the packaging, appropriate filtration is recommended before use, and the product should be used up as soon as possible.

Precautions for Use

1. The viscosity of this product is mainly affected by pH value. During storage, the pH value may decrease, and the product viscosity will decrease accordingly. Its viscosity can be adjusted back to the initial value by adding a small amount of 10% aqueous N,N-dimethylethanolamine solution.
2. Stir thoroughly before use and seal tightly after use. Do not mix with cationic substances or inks.
3. This product has a fast drying speed and is not recommended to be exposed to air for a long time before use.