PPE-GF30 GF20
Reinforced grade
also Noryl GFN2, Noryl GTX
GF20 = 20% glass-fiber reinforced modified PPE
Lower-loading sibling when warpage and surface appearance matter more than maximum stiffness.
Values for the GF20 condition
Other PPE-GF30 grades and fills
PPE-GF30 is listed in 10 conditions; see the grade overview at PPE-GF30.
Compare all 10 grades and fillsHide
| Grade · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness |
|---|---|---|---|---|---|
Glass/mineral (talc) co-filled PPE, ~30% total filler | Choose when isotropic shrinkage, flatness and paintable surface beat maximum modulus. | — | 85 | 3.5 | 82 HRM |
Impact-modified 30% GF PPE | Use when glass-filled stiffness is needed but brittle failure / snap-fit toughness is a concern. | — | 95 | 4 | 80 HRM |
Static-dissipative / conductive 30% GF PPE | Use in electronics handling, fuel-contact and battery parts requiring controlled surface resistivity. | — | 100 | 1.8 | 88 HRM |
GF20This page 20% glass-fiber reinforced modified PPE | Lower-loading sibling when warpage and surface appearance matter more than maximum stiffness. | — | 105 | 3.5 | — |
30% glass filled, non-halogen flame retardant UL94 V-0 | Choose for electrical enclosures, EV/battery and switchgear parts needing V-0 at 1.5 mm. | — | 108 | 2.2 | 86 HRM |
UV-stabilized / weatherable 30% GF PPE | Pick for outdoor housings, solar and telecom parts where colour hold and gloss retention matter. | — | 115 | 2.4 | 87 HRM |
GF30Default Standard 30% glass-fiber reinforced modified PPE | Default structural grade: best stiffness/heat/cost balance when no flame rating is required. | — | 120 | 2.5 | 88 Shore D |
High-heat / heat-stabilized 30% GF PPE | Choose when HDT above ~165 °C or long-term 120 °C service is required from a PPE blend. | — | 122 | 2.2 | 90 HRM |
40% glass-fiber reinforced modified PPE | Maximum-stiffness PPE blend for load-bearing brackets and pump housings; poorest surface and toughness. | — | 135 | 2 | — |
30% glass filled PPE/PA (nylon) alloy | Pick for online-paintable automotive body/under-hood parts needing solvent resistance and high HDT; costs low-moisture advantage of pure PPE. | — | 155 | 3 | — |
What is PPE-GF30 GF20?
PPE-GF30 GF20 is PPE-GF30 in the GF20 grade — lower-loading sibling when warpage and surface appearance matter more than maximum stiffness. PPE-GF30 GF20 has a tensile strength of 105 MPa (15.2 ksi), stronger than 90% of polymer grades. Elongation at break is 3.5% and the elastic modulus is 6.2 GPa (0.899 Msi). PPE-GF30 GF20 has a density of 1.21 g/cm³ (0.0437 lb/in³), heavier than 60% of polymer grades. Its glass-transition temperature is 148°C (298 °F). GF30 is the default condition FabDigit quotes; GF20 is available on request or by drawing note.
Advantages
- Stiff — 6.2 GPa (0.899 Msi), better than 90% of polymer grades
- Low, predictable mold shrinkage — 0.3%, better than 90% of polymer grades
- Tough — resists crack growth — 3.5 MPa·√m (3.19 ksi·√in), better than 81% of polymer grades
- Low moisture uptake — 0.07%, better than 81% of polymer grades
Limitations
- Limited formability — 10/100, worse than 87% of polymer grades
- Hard to polish — 30/100, worse than 82% of polymer grades
- Limited ductility — 3.5%, worse than 79% of polymer grades
PPE-GF30 GF20 properties
Typical room-temperature values for PPE-GF30 GF20; 11 are specific to this condition. Other listed values are PPE-GF30 reference data and may not represent this condition. Bars are the position among polymer grades.
Physical4
PPE-GF30 GF20 has a density of 1.21 g/cm³ (0.0437 lb/in³), heavier than 60% of polymer grades. Its glass-transition temperature is 148°C (298 °F).
Mechanical15
PPE-GF30 GF20 has a tensile strength of 105 MPa (15.2 ksi), stronger than 90% of polymer grades. Elongation at break is 3.5% and the elastic modulus is 6.2 GPa (0.899 Msi).
Thermal11
PPE-GF30 GF20 is rated for continuous service to 110°C (230 °F). It conducts heat at 0.22 W/m·K (0.127 BTU/hr·ft·°F), better than 60% of polymer grades. Thermal expansion is 34 µm/m·K (18.9 µin/in·°F).
Electrical7
PPE-GF30 GF20 is an electrical insulator with a dielectric strength of 28 kV/mm (711.2 V/mil) and a resistivity of 1×10¹⁴ Ω·m.
Chemical & Environmental3
Corrosion resistance is excellent (85/100), better than 65% of polymer grades. UV resistance is fair.
Sustainability4
Producing a kilogram of PPE-GF30 GF20 takes about 95 MJ of energy and emits 4.6 kg of CO₂ — less than 70% of polymer grades. Typical recycled content is 5%.
Manufacturability8
PPE-GF30 GF20's machinability is good (62/100, better than 60% of polymer grades); weldability fair (45/100); formability not recommended (10/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with PPE-GF30 GF20
Is PPE-GF30 easy to machine?
Machines cleanly but the 30% glass is abrasive — use sharp carbide or PCD tools, high speed/low feed, air or mist cooling, and avoid aggressive coolants that can stress-crack the PPE.
Can PPE-GF30 be welded?
Ultrasonic, vibration and hot-plate welding all work well (amorphous, no sharp Tm); solvent bonding with chlorinated solvents is possible but risks stress cracking, and weld/knit lines lose most of the fiber reinforcement.
Can PPE-GF30 be formed, bent or molded?
Injection mold at 270–310 °C melt / 80–110 °C tool with pre-drying 2–4 h at 100–110 °C; use generous gates and hardened, wear-resistant tool steel because of glass abrasion, and expect anisotropic 0.1–0.4 % shrink with warpage in thin flat parts.
What surface finishes work on PPE-GF30?
Paints and adhesives bond well after light abrasion or plasma/flame treatment (no primer needed for many 2K PU systems); glass read-through limits high-gloss appearance, and PPE is a classic substrate for electroless plating pretreatment.
PPE-GF30 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| poly(2,6-dimethyl-1,4-phenylene ether) (base resin of the modified PPE blend | 35 – 60 | 45 |
| polystyrene / HIPSmiscible modifier setting Tg and flow | 8 – 30 | 22 |
| glass fiber (E-glass, chopped, sized)typ. 10–13 µm dia., silane-sized for PPE | 28 – 32 | 30 |
| impact modifier (SBS/SEBS)grade dependent | 0 – 8 | 2 |
| stabilizers, pigments, processing aids | 0.5 – 3 | 1 |
PPE-GF30 GF20 — frequently asked
What is PPE-GF30 GF20 used for?
PPE-GF30 GF20 is typically used for automotive body panels and mirror housings, structural electrical components, pump housings and under-hood brackets. In short: stiffest PPE grade; low-warp glass-filled amorphous; online-paintable body panels.
What is the tensile strength of PPE-GF30 GF20?
PPE-GF30 GF20 has a typical tensile strength of 105 MPa (15.2 ksi) — stronger than 90% of polymer grades. Strength varies by condition: see the 10 listed tempers.
Is PPE-GF30 GF20 easy to machine?
Reasonably — machinability is rated good (62/100, better than 60% of polymer grades). Machines cleanly but the 30% glass is abrasive — use sharp carbide or PCD tools, high speed/low feed, air or mist cooling, and avoid aggressive coolants that can stress-crack the PPE.
Can PPE-GF30 GF20 be welded?
With care — weldability is rated fair (45/100). Ultrasonic, vibration and hot-plate welding all work well (amorphous, no sharp Tm); solvent bonding with chlorinated solvents is possible but risks stress cracking, and weld/knit lines lose most of the fiber reinforcement.
What surface finishes work on PPE-GF30 GF20?
Paints and adhesives bond well after light abrasion or plasma/flame treatment (no primer needed for many 2K PU systems); glass read-through limits high-gloss appearance, and PPE is a classic substrate for electroless plating pretreatment.
Can PPE-GF30 GF20 be formed, bent or molded?
Injection mold at 270–310 °C melt / 80–110 °C tool with pre-drying 2–4 h at 100–110 °C; use generous gates and hardened, wear-resistant tool steel because of glass abrasion, and expect anisotropic 0.1–0.4 % shrink with warpage in thin flat parts.
What is the maximum service temperature of PPE-GF30 GF20?
PPE-GF30 GF20 is rated for continuous use to about 110°C (230 °F), and briefly to 145°C. Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Sources
- NORYL Resin GFN3 / GFN2 / SE1GFN3 product datasheets — SABIC Specialties (Shpp) (2023)
- NORYL GTX Resin (PPE/PA) technical datasheet — SABIC Specialties (2023)
- CAMPUS plastics database — modified PPE, 30% glass fiber — CWFG / CAMPUS consortium (2024)
- ASM Handbook Vol. 2 / Engineering Plastics — Polyphenylene ether blends — ASM International (2003)
- ISO 527 / ISO 178 / ISO 75 / ISO 306 test methods; ASTM D256, D785, D2863 — ISO / ASTM (2019)
- UL 94 Tests for Flammability of Plastic Materials — UL Solutions (2021)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.