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Flexible Acrylic Resin 21308-XP

Technical Datasheet | Supplied by DowDuPont (Dow)
Flexible Acrylic Resin 21308-XP is a 100% acrylic polymer. Used in flexible, transparent and crystal-clear weathering applications which require UV-resistance and excellent adhesion to other polymers. Exhibits excellent miscibility in rigid or flexible PVC compounds at any blend weight ratio. Provides broad service temperature range, ductility at -20°C and excellent tensile strength at 100°C. Flexible Acrylic Resin 21308-XP can be processed by injection molding, calendaring, thermoforming, flexible film-, sheet-, tubing- and pipe extrusion via conventional melt processing.
Product Type
PMMA (Acrylic) > Acrylic, other
Physical Form
Powder, Free-flowing
Product Status
Geographical Availability
Africa, Asia / Pacific, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe
Applications/ Recommended for
  • Injection molding - thermoplastics
  • Thermoforming/ Vaccuum forming
  • Extrusion > Sheet & Plaques (standard)
  • Calendering
  • Extrusion > Pipes
Key Features
  • Adhesion, High
  • Ductile, Low temperature
  • Flexibility, Good
  • Tensile Strength, High
  • Transparency, Good
  • UV Resistance, Good
  • Weather Resistance, Good

Flexible Acrylic Resin 21308-XP Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Density, Bulk
400 g/l
( )
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
18 g/10 min
(230°C, 10kg weight)
Specific Gravity
1.10 g/ml
( )

Flexible Acrylic Resin 21308-XP Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Barrel Temperature
190 - 220 °C
Mold Temperature
57.2 °C
Hold pressure
50 psi

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