Products

Film Grade PLA

Alfa Chemistry has developed a series of PLA products with independent intellectual property rights. These products are non-toxic, non-irritating, exhibit excellent biocompatibility, and are fully biodegradable. They are high-strength and easy to process and mold. This product is specifically designed for film-blowing applications. The product details are as follows:

Product Name: Film Grade PLA

Catalog: BBC-PLA104

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Product Details

Items	Typical Value
Appearance	Colorless transparent or white pellets
Odor	None
Melting Point	145-155°C
Glass Transition Temperature	35-50°C
Heat Deflection Temperature	30-45°C
Melt Flow Rate	10-30 g/10min (140°C)
Crystallization Temperature	80-120°C
Tensile Strength	20-35 MPa
Elongation at Break	200-250%
Impact Strength	5-15 kJ/m2
Weight-Average Molecular Weight	100000-150000
Density	1.25 g/cm3
Decomposition Temperature	Decomposes above 240°C
Solubility	Insoluble in water; easily soluble in hot alkali solutions
Moisture Content	<0.5%
Degradability	70.2% degradation in 95 days

*Custom specifications can be provided based on customer needs.

Processing Parameters

Items	Details
1. Drying
Drying Equipment	Vacuum oven
Drying Temperature	40-60°C
Drying Time	24 h
Moisture Content	<100 ppm
2. Film-Blowing Temperature
Screw Zone 1	125-135°C
Screw Zone 2	130-140°C
Screw Zone 3	135-145°C
Screw Zone 4	135-145°C
Die Head	130-140°C
Note: Optimal temperatures may vary depending on equipment. Adjust temperatures based on material plasticization.
3. Traction and Rolling
Film-Blowing Type	Flat extrusion with upward blowing
Traction Type	Standard traction
Rolling Type	Automatic rolling
Traction Rolling Speed	500-1500 m/min (adjustable based on film requirements)