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Formula: PHB 92/PHV 8
Form: Foil/Film/Sheet
Material: Polyhydroxybutyrate/Polyhydroxyvalerate (PHB/PHV 8%)
CAS Number: 29435-48-1
Commodity: Polymers
Thickness:
0.01mm
Type:
Biodegradable
PHB/PHV 8 Film integrates the biodegradability and barrier performance of polyhydroxybutyrate with the improved flexibility and impact resistance of 8% polyhydroxyvalerate, yielding a compostable material suited for packaging, biomedical, and environmental applications. Its reduced brittleness compared to pure PHB makes it advantageous for flexible yet strong films. Industries use PHB/PHV 8 film for compostable food wraps, bioresorbable surgical barriers, and environmentally degradable agricultural sheets. Specific applications include multilayer biodegradable packaging, medical membranes for wound healing, and controlled-release agricultural films. In research, it is utilized to study the interplay between crystallinity and mechanical flexibility, improve processing stability, and design bio-based composites with tailored degradation rates. The combination of functional performance, sustainability, and design versatility positions PHB/PHV 8 film as a key material for eco-conscious product innovation.
Tolerances
Foil
| Thickness | ±20% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - dilute | Fair |
| Alcohols | Fair |
| Alkalis | Poor |
| Greases and Oils | Good |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 3 |
| Volume resistivity( Ohmcm ) | 10¹⁶ |
Physical Properties
| Element | Value |
|---|---|
| Resistance to Ultra-violet | Fair |
| Density( gcm⁻³ ) | 1.25 |
Mechanical Properties
| Element | Value |
|---|---|
| Elongation at break( % ) | 15 |
| Tensile modulus( GPa ) | 0.9 |
| Izod impact strength( J m⁻¹ ) | 100 |
| Tensile strength( MPa ) | 28 |
Thermal Properties
| Element | Value |
|---|---|
| Specific heat( J K⁻¹ kg⁻¹ ) | 1400 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.15@23°C |
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PHB/PHV 1% Powder
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