Light Weight LGF40 PLA Material

What is LGF40 PLA?

LGF40 PLA is a high-strength composite material with a polylactic acid (PLA) matrix and approximately 40% long glass fibers added. It combines lightweight design, structural strength, and the characteristics of bio-based materials. Compared to ordinary PLA and short glass fiber reinforced PLA, LGF40 PLA improves its load-bearing capacity, dimensional stability, and structural reliability through a higher fiber retention rate and a more stable internal reinforcing structure.

Material composition:

PLA matrix
PLA offers the material with basic molding properties, rigidity and lightweight characteristics, while also having the advantage of being derived from biological sources.
40% long glass fiber reinforced systemThe long glass fibers form a stable reinforcing network within the material, enabling:
Higher structural rigidity
Better load transfer efficiency
Lower creep risk
More stable size performance

LFT-CPP-LGF40: Long Glass Fiber PP For Pumps

Products Performance

Mechanical properties

High rigidity and high strength
Excellent tensile performance
More stable under long-term load

Impact resistance

The long fiber structure can disperse the impact stress

Dimensional stability

LGF reduce the molding shrinkage rate and the risk of warping

Thermal stability

Better resistance to thermal deformation

Lightweighting

Achieve lower material weight

LGF40 PLA vs. SGF PLA vs. LGF40 PP

Tensile Strength (MPa)	Flexural Strength (MPa)	Impact Resistance	Dimensional Stability
LGF40 PLA ████████████████████ GF40 PLA ███████████████ LGF40 PP █████████████	LGF40 PLA ███████████████████ GF40 PLA ██████████████ LGF40 PP ████████████	LGF40 PLA ███████████████ LGF40 PP ██████████████ GF40 PLA ███████████	LGF40 PLA ████████████████████ GF40 PLA ███████████████ LGF40 PP ████████████

Products Application

high angle shot of car's black modern interior

Automobile structural components

Dashboard support components

Seat frame components

The internal supporting structure of the central control panel

Lightweighting alternative case

Electric tool components

Motor fixation structure
Internal reinforcing component of the handle

During the operation of power tools, their excessive weight can easily cause muscle injuries to the users. The plan is to change the structural framework material from metal to LGF40 PLA, modify the raw materials for product manufacturing, and achieve significant weight reduction while meeting the rigidity requirements.

Case of Dimensional Stability Upgrade

Logistics and Packaging Structure

Tray reinforcement piece
Recoverable transportation box structure framework

In order to prevent the trays from deforming due to prolonged exposure to pressure during use, it has been decided to upgrade the raw materials for production. After upgrading short glass fiber PLA to LGF40 PLA, the risk of structural components warping has significantly decreased.

FAQ

Q: How does LGF40 PLA differ from standard PLA?

A: Compared with standard PLA, LGF40 PLA offers significantly improved stiffness, load-bearing capability, and reduced deformation risk. The long fiber reinforcement also improves dimensional control and structural durability in demanding molded applications.

Q: Is LGF40 PLA suitable for structural components?

A: Yes. LGF40 PLA is suitable for semi-structural and structural molded parts requiring higher stiffness and dimensional consistency, such as support brackets, internal frames, and reinforced housing components.

Q: What processing considerations are important for LGF40 PLA?

A: Proper material drying, optimized injection pressure, and controlled shear conditions are recommended to preserve fiber length and maintain stable molding performance.