PP Engineered Matrix • 40% Glass Fibre
PP GF40
Glass Reinforced PP — PP GF40
PP GF40 (PM 40B 4001) delivers maximum stiffness and thermal endurance (HDT 140°C), replacing die-cast metals in demanding automotive structural brackets and industrial assemblies.
Base Polymer
PP
Reinforcement
Glass Fibre
Reinforcement %
40%
Moulding Process
Injection Moulding
Available Formulation Colours
BlackNaturalCustom
COMPOUND PROFILE • PP GF40
Grade Specification Overview
POLIMATRIX PP GF40
Glass Reinforced PP — PP GF40
Glass fibre
40% wt%
Processing
Injection moulding
MFI
6.0 g/10 min
Heat / impact
HDT 140°C
Recommended for: Heavy structural brackets components, subject to dimensional, mechanical and processing validation.
Performance Profile
Qualitative Indicators — Typical values on TDSRelative engineering performance ratings across key mechanical and thermal dimensions.
Tensile Stiffness
Excellent
Tensile Strength
Excellent
Impact Resistance
High
Heat Resistance (HDT)
Excellent
Dimensional Stability
Excellent
Processability
High
Surface Finish
High
Key Formulation Characteristics
40% chemically coupled glass fibre
Maximum flexural modulus (9,500 MPa)
High HDT (140°C at 1.8 MPa)
Reinforcement: 40% Glass Fibre
Formulated for Injection Moulding
Typical Properties & ASTM Standards
Verified typical values for PP GF40 as published on technical data sheet.
| Mechanical / Physical Property | Test Standard | Typical Value | Unit |
|---|---|---|---|
| Melt Flow Index (MFI / MFR) | ASTM D1238 | 6.0 | g/10 min |
| Specific Gravity / Density | ASTM D792 | 1.22 | g/cm³ |
| Tensile Strength | ASTM D638 | 105 | MPa |
| Flexural Modulus | ASTM D790 | 7,500 | MPa |
| Izod Impact Strength (Notched) | ASTM D256 | 8.5 | kg·cm/cm |
| Heat Deflection Temperature (HDT / VSP) | ASTM D648 | 140 | °C |
| Flammability Rating | UL 94 | HB | Rating |
* Typical values, not specification limits. Values are for material selection purposes only.
Target Applications
Proven Automotive components and commercial end-use parts moulded with PP GF40:
Alternative & Sister Grades
Explore related PP alloys or alternative reinforcement percentages:
Technical Assistance
Need Custom Formulation or Testing?
Our application development engineers can tailor filler content, melt flow index, UV stabilization, or masterbatch color matching to your specific molding window.
Consult Polymer Specialist