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Plastics & Elastomers
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Sappi Symbio PP20MI

Technical Datasheet | Supplied by Sappi
Sappi Symbio PP20MI by Sappi is a low density, polypropylene reinforced with cellulose fiber (20%). This medium-impact thermoplastic composite contains renewable content and can be recycled or burned for energy. It offers good sound/damping, soft & warm touch, good processability, very good heat resistance and good aesthetics. Also provides low water absorption and excellent scratch-resistance. Sappi Symbio PP20MI consists of virgin polypropylene and specifically selected & treated wood-based cellulose from responsibly managed forests. It experiences a very good flowability and is therefore ideal for thin wall applications. Due to its good balance between density, stiffness and impact resistance it can be used for a variety of applications. It can be processed by injection molding. It is suitable for recycling methods such as shredding, re-grinding and cleaning. This grade is used in automotive interior, consumer electronics, furniture and appliances.
Product Type
PP (Polypropylene)
Physical Form
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
  • Furnitures
  • Electronics / Computers
  • Appliances
  • Automotive
  • Injection molding - thermoplastics
Bio Based
Bio Based Content (%)
20%, Cellulose fiber-based
Key Features
  • Density, Low
  • Filled, Bio-filler
  • Flow, Good
  • Heat Resistance, Medium
  • Impact Resistance, Good
  • Processability, Good
  • Renewable Resource Content
  • Scratch Resistance, High
  • Soft
  • Sound Damping
  • Stiffness, Good
  • Water Absorption, Low to None
  • Recyclable

Sappi Symbio PP20MI Properties

Physical Properties

Value & Unit
Test Condition
Test Method
0.99 g/cm3
( )
ISO 1183
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
19 g/10 min
(At 190°C, 5 kg)
ISO 1133

Sappi Symbio PP20MI Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Processing Temperature
< 200 °C
Nozzle Temperature
190 °C
Front Temperature
185 °C

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