Water based PUDS for high-performance adhesives

Waterborne Polyurethane Dispersions (PUDs) are coatings and adhesives that use water as the primary solvent. With increasing regulation on the amount of volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) that can be emitted into the atmosphere, PUDs are being used in many industrial and commercial applications.

Today, PUDs are typically stable, easy-to-use and exhibit properties similar to solvent-based systems. These systems may be formulated as ambient-cured (air dried) or baked coatings for flexible and rigid substrates—such as fabric, leather, metal, plastics and paper. Additionally, PUD’s are graphic art inks, adhesives for shoes and textiles and can be the coats on many products.

Product description

WL-A105 is an aromatic waterborne polyurethane (WPU) of high solid

content, which is mainly applied as leather finishing oil, bags,

synthetic leather.

Technical indicators

Appearance: milky white liquid

Solid content: 50±1(25℃, %)

Viscosity: ≤1500(25℃, mPa. s)

PH value: 7.5-8.5(25℃)

100％ Modulus:0．8－1．2(25℃,MPa)

Product features

The product performances soft hand-feeling, hydrolysis resistance,

blocking resistance and high cost-effective

Usage

Spraying, rolling, brushing, etc. The usage method is decided by users.

Note

1. Store for six months between 5℃ and 30℃, after delivering to the

customers. Containers must be fully sealed to pretend water evaporation that caused the unsolved films.

2. Product is sensitive to frost, and no longer used after frozen, the storage temperature should not be lower than 5℃

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