S4090 G2
POMBASFUltraform® S4090 G2 is a 10% glass-fiber reinforced POM grade. Compared to unreinforced grades it offers higher stiffness and creep resistance, suited for precision mechanical parts and structurally loaded components.
Specifications
Typical values for uncoloured product at 23°C
| Property | Test Method | Unit | Dry |
|---|---|---|---|
| properties | |||
| Density | ISO 1183 | g/cm³ | 1.50 |
| MVR (190°C/2.16kg) | ISO 1133 | cm³/10min | 5 |
| Moisture absorption (23°C, sat.) | ISO 62 | % | 0.6 |
| mechanical | |||
| Tensile modulus | ISO 527-1/2 | MPa | 4500 |
| Tensile stress at break | ISO 527-1/2 | MPa | 85 |
| Tensile strain at break | ISO 527-1/2 | % | 5 |
| Charpy notched impact (23°C) | ISO 179/1eA | kJ/m² | 5 |
| Flexural modulus | ISO 178 | MPa | 4200 |
| thermal | |||
| HDT/B (0.45 MPa) | ISO 75-1/2 | °C | 163 |
| HDT/A (1.80 MPa) | ISO 75-1/2 | °C | 155 |
| Vicat softening temperature | ISO 306 | °C | 162 |
Technical Documents
Related Grades (POM)
Injection molding grade for parts requiring high stiffness and strength together with good mold release. Abbreviated designation according to ISO 1043: POM-GF25 Designation according to ISO 9988-1: POM-K, M-GNR, 02-003, GF25
Elastomer-modified injection molding grade with high impact strength for clips, snap and fastening elements, and also for components subject to impact stress. Abbreviated designation according to ISO 1043-1: POM-HI Designation according to ISO 29988-POM-K,,M-GNPR,2-1
Z2320 003 AT 03/2026 POM Guoco Midtown #18-01, 128 Beach Road, Singapore 189773 Extremely easy flowing grade for very thin-walled moldings with difficult flow path to wall thickness ratios and very short cycle times. Abbreviated designation according to ISO 1043-1: POM Designation according to ISO 29988-POM-K,,M-GNR,6-2
Emission optimized,very free-flowing, rapidly solidifying grade for use where processing is extremely difficult but
Very free-flowing, rapidly solidifying grade for use where processing is extremely difficult but mechanical properties are lower. Abbreviated designation according to ISO 1043-1: POM Designation according to ISO 29988-POM-K,,M-GNR,5-2
Emission optimized, easy flowing and rapidly freezing grade for injection molding difficult, thin-walled parts. Abbreviated designation according to ISO 1043-1: POM Designation according to ISO 29988-POM-K,,M-GNR,4-2 Processing In order to obtain best emission performance it is recommended to process at comparatively low melt temperatures with pre-dried material. Furthermore avoid high screw speed, high shear and long cycle times. Additional information is available upon request.