SV-AC521B

 Introduction

SV-AC521B is a copolymer of methacrylates such as methyl methacrylate and n-butyl methacrylate. It provides hard heat resistance and durability. It has fast tack drying time, good drying and excellent adhesion, and is suitable for different substrates such as metal, acrylic, ABS, PVC and polystyrene.

 Typical performance

Item Value Unit Test Method

Appearance beads (visual)

Glass transition temperature (Tg) 55 ℃ ASTM D-3418

Molecular Weight (Mw) 22,000 g/mol ASTM D-3593

Intrinsic viscosity (IV) 0.12 dL/g ASTM D-2857

Acid value 8 mgKOH/g ISO-3682

Hydroxyl value 4 mgKOH/g ISO-3682

Moisture content ≤ 0.5 % ISO-3251

 Application

SV-AC521B can react with polyisocyanates and is also commonly used in hot melt adhesive applications.

SV-AC521B has very good compatibility with a variety of solvents and is commonly used in hot melt adhesive applications as well as ship coatings, plastic coatings, gravure inks, and screen printing inks.

 Packaging and storage

1. Packed in composite paper bag lined with plastic bag, net weight 25kg.

2. Store in a cool, dry and ventilated place. Fire sources and organic solvents are strictly prohibited.

3. Shelf life: 3 years. It can continue to be used after passing QC inspection.

4. Transport as non-dangerous goods.