Colored Pla Polylactic Acid Fiber Biodegradable Needle Punch
Colored Biodegradable Polylactic Acid Pla Needle Punch Fiber Factory China
PLA Degradable Fiber 1.5D For Medical Nonwoven
1 . Descriptions:
Polylactic Acid is principally made through two different processes: condensation and polymerization. The most common polymerization technique is known as ring-opening polymerization. This is a process that utilizes metal catalysts in combination with lactide to create the larger PLA molecules. The condensation process is similar with the principal difference being the temperature during the procedure and the by-products (condensates) that are released as a consequence of the reaction.
2 . Specifications:
| No | Test | Unit | Data | ||
| 1 | Titre | dtex | 3 | ||
| 2 | Tenacity at break | cN/dtex | 3.0 | ||
| 3 | Elongation at break | % | 38.27 | ||
| 4 | Length | mm | 39.2 | ||
| 5 | Crimp number | number/25mm | 15 | ||
| 6 | Defect | mg/100g | / | ||
| 7 | Over-length fiber | mg/100 | 2 | ||
| 8 | Oil content | % | 0.2 | ||
| 9 | Dry thermal shrinkage | % | 5 | ||
| 10 | Moisture | % | - | ||
3 .What are the Disadvantages of Polylactic Acid?
PLA has a relatively low glass transition temperature (typically between 111 and 145 °F). This makes it fairly unsuitable for high temperature applications. Even things like a hot car in the summer could cause parts to soften and deform.
Polylactic Acid is a little bit more brittle than ABS for 3D prototyping but it has some advantages as well. For a full comparison of the two plastics as they relate to 3D printing read here.
4 . More pictures:
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