Bioplastics
PDLA Stereocomplex Grade C — Poly(D-lactic acid), Stereocomplex Grade C
PDLA Stereocomplex Grade C is a stereoregular polymer of D-lactic acid that forms strong interactions with PLLA to create a stereocomplex with a significantly higher melting point. This grade is utilized in applications demanding superior heat resistance and mechanical strength, often blended with PLLA.
PDLASTEREOPLA-C
Manufacturers
2
Grades
2
Applications
4
Equivalents
1
Physical Properties
- Density
- 1.27 g/cm³
- Water Absorption (24h)
- 0.25 %
- Transparency
- Good
- Shrinkage
- 1.5 - 4.0 %
Mechanical Properties
- Young's Modulus
- 4.0 GPa
- Tensile Strength
- 65 MPa
- Elongation at Break
- 2.0 %
- Impact Strength (Izod)
- 0.2 J/cm
Thermal Properties
- Glass Transition Temperature
- 55-60 °C
- Melting Point
- 220-230 °C (stereocomplex)
- Continuous Service Temperature
- 70 °C
- Heat Deflection Temperature
- 75 °C
Electrical Properties
- Dielectric Constant
- 3.5
- Volume Resistivity
- 10¹¹ Ω·cm
- Dielectric Strength
- 25 kV/mm
Chemical Resistance
- Acids
- Poor resistance
- Bases
- Poor resistance
- Solvents
- Resistant to oils and greases, but swells in chlorinated hydrocarbons
- UV Resistance
- Poor
Sustainability
- Recyclability
- Compostable (industrial)
- Recycling Code
- 7 (Other)
- Carbon Footprint
- Lower than fossil-based plastics
Manufacturing compatibility
Injection MoldingExtrusionFilm Blowing
Applications
High-Temperature Packaging
Automotive Components
Electronics
Durable Goods
Available grades
PDLA-STC-C-101PDLA-STC-C-202