Name: LFT-G® PP LGF40|40% Long Glass Fiber Reinforced Polypropylene Compound
Brand: LFT-G
SKU: 207441543

PP LGF40 Material Identification & Specifications

This section defines the commercial grade, polymer system and key material characteristics of LFT-G^® PP LGF40 so engineers and procurement teams can quickly confirm that the grade matches their lightweight metal-substitution requirements.

Property	Specification
Product Grade	LFT-G® PP-NA-LGF40
Material Type	40% Long Glass Fiber Reinforced Polypropylene
Polymer Matrix	Homopolymer Polypropylene (HPP)
Glass Fiber Content	40%
Available Color	Natural / Custom Black
Form	Pellets (Length: 10mm - 12mm)
Processing Method	Injection Molding (High Flowability)

Typical Material Properties of PP LGF40

Property	Standard	Value
Density	ISO 1183	1.21 g/cm³
Tensile Strength	ISO 527	135 MPa
Tensile Modulus	ISO 527	8,900 MPa
Molding Shrinkage	ISO 294-4	0.15 - 0.25 %

Property	Standard	Value
Flexural Strength	ISO 178	169 MPa
Flexural Modulus	ISO 178	6,800 MPa
Charpy Notched Impact	ISO 179	35 kJ/m²
HDT (1.80 MPa)	ISO 75	159 °C

Typical values are based on laboratory test specimens and are provided for reference only. Actual molded-part performance can vary with tooling design and injection parameters.

Download LFT-G® PP LGF40 TDS (PDF)

Processing Guidelines for PP LGF40 Resin

Pre-drying

80–100°C / 2h
Ensure Moisture < 0.1%

Injection

Melt Temp: 230–260°C
Optimize for Thin Walls

Tooling Settings

Mold Temp: 40–80°C
Generous Gate Size Required

High-Stiffness Applications for Complex Architectures

Automotive electronic shift lever base using PP LGF40

Automotive Electronic Shift Lever Bases

Modern vehicle shift-by-wire modules possess highly intricate, thin-walled structural geometries. Using heavily filled LGF50 can cause flow constraints and short shots. PP LGF40 provides the perfect 9,000 MPa rigidity to withstand millions of shifting cycles while maintaining the superior injection flowability needed to fill complex mold cavities flawlessly.

Industrial high pressure water pump housing PP LGF40

Industrial Fluid Pump & Valve Housings

Industrial water pumps require immense burst strength and absolute creep resistance to prevent leaks over long-term hydrostatic pressure exposure. The 40% intertwining fiber network prevents sudden catastrophic cracking, successfully replacing expensive die-cast brass or steel housings while rendering the entire fluid management system 100% corrosion-free.

Electric bike structural chassis frame molded with LFT-G PP

E-Bike & Electric Scooter Chassis Frames

Micro-mobility manufacturers are aggressively phasing out heavy aluminum welding. PP LGF40 is revolutionizing this sector by enabling the single-shot injection molding of entire scooter footboards and e-bike subframes. It drastically slashes assembly times and vehicle curb weight while providing exceptional 35 kJ/m² dynamic impact absorption for urban riding safety.

Illustrative weight-reduction estimate: When substituting a typical 2.70 g/cm³ aluminum pump housing with PP LGF40 (1.22 g/cm³), the theoretical component mass reduction is approximately 54%. Actual engineering outcomes mandate structural redesign and wall thickness optimization.

Explore Related PP LGF Grades

LFT-G offers a comprehensive spectrum of polypropylene reinforcement levels. Select the optimal grade according to your specific stiffness, viscosity, and impact thresholds.

PP LGF30

30% fiber loading offering ultra-low density and high flexibility for mass-market structural applications.

View Grade →

PP LGF40

The optimal 40% balance between extreme structural rigidity and complex thin-wall injection flowability.

Current Grade

PP LGF50

Maximum 50% reinforcement engineered for ultimate load-bearing, heavy-duty metal substitution.

View Grade →

LFT-G Laboratory Quality Assurance & Compliance

Dedicated exclusively to long fiber thermoplastics, the LFT-G^® manufacturing plant subjects every lot of PP LGF40 to rigorous physical stress testing. We guarantee the structural reliability of your automotive and industrial molding runs.

LFT-G ISO and EMS certificates

ISO 9001:2015

Quality Management Systems Certified

SGS Checked

Material Verification & Audited Provenance

RoHS & REACH

100% Compliant Non-Hazardous Lots

Frequently Asked Questions (FAQ)

Q1: Why choose PP LGF40 instead of PP LGF50?

A: While LGF50 offers maximum strength, its high glass content can make injection molding difficult for highly complex, thin-walled geometries. PP LGF40 sacrifices a fraction of rigidity to provide significantly smoother resin flow paths, preventing short shots in intricate molds.

Q2: Will the 40% glass fiber cause rapid wear on my molds?

A: High fiber loadings do increase abrasion compared to unfilled plastics. To maintain long-term production tolerances, we strongly advise utilizing highly hardened, wear-resistant steel for your tooling and designing generous gating systems.

Q3: How fast can you deliver a 25KG technical trial sample?

A: As the direct source manufacturer, we maintain ample inventory for standard engineering grades. PP LGF40 trial samples (25KG bags) are typically dispatched via global air freight within 3 to 9 days directly to your facility.

Request LGF40 Technical Trial Sample & Quotation

Achieve the perfect equilibrium between structural stiffness and injection flowability. Contact the LFT-G^® engineering department today to request your 25KG trial sample and receive direct factory pricing.

Request 25KG Trial Sample Now

Email Inquiry: Candyhu@lfrtplastic.com

WhatsApp Directly: +86 13950095707

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