OKULEN® PP B is a natural basic stabilisation polypropylene blockcopolymer with high melt viscosity and good low-temperature impact strength.
Properties:
• good chemical resistance
• high heat deflection temperature
• easy to work and weld
    										
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										  Properties
										 
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										  Method
										 
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										  Unit
										 
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											OKULEN® PP B - natural - FN0000
										 
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| Physical properties | |||
| Molecular-weight | k.a. | Mio. g/mol. | --- | 
| Density | DINENISO 1183-1 (09/2025)  (Method A)  | 
								   		g/cm³ | > 0.901 | 
| Notched impact strength | DINENISO 21304-2 (04/2021)  (3 mm Double-V-Notch)  | 
								   		kJ/m² | > 20 | 
| Abrasion-Index (Sand-Slurry) | DINENISO 15527 (05/2022) | --- | |
| Tensile strength at yield (A2 - 50mm/Min.) | DINENISO 527-2 (09/2025)  ASTM D 638 (2022)  | 
								   		N/mm² | > 25 | 
| --- | --- | ||
| Elongation (Break / A2 - 50mm/Min.) | DINENISO 527-2 (09/2025)  ASTM D 638 (2022)  | 
								   		% | --- | 
| Tensile-E-modulus (A2 - 1mm/Min.) | DINENISO 527-2 (09/2025)  ASTM D 638 (2022)  | 
								   		N/mm² | 1200 | 
| --- | --- | ||
| Static Friction | ASTM D 1894 (2024)  (vs. Steel: Surface roughness Rz2)  | 
								   		--- | |
| Dynamic Friction | ASTM D 1894 (2024)  (vs. Steel : Surface roughness Rz2)  | 
								   		--- | |
| Shore-D-Hardness, 15 sec. value 6 mm plate | DINENISO 868 (10/2003) | D | 72 - 74 | 
| Ball indentation hardness | DINENISO 2039-1 (06/2003) | N/mm² | --- | 
| Water absorption | DINENISO 62 (05/2008) | % | < 0.01 | 
| Thermal properties | |||
| Melting Point (DSC) | DINENISO 11357-3 (09/2025) | °C | 158 - 165 | 
| Thermal Conductivity | Wire method | W/m*K | ~0,22 | 
| Max. operation temperature | Literature | °C | 100 | 
| Coefficient of thermal expansion (23 - 80°C) | ISO 11359 | mm/mm °C | ~0.00015 - 0.00020 | 
| Electrical properties | |||
| Volume resistivity | DINEN 62631-3-1 (01/2017) | Ohm*cm | > 1.0E15 | 
| Surface resistivity | DINEN 62631-3-2 (10/2016) | Ohm | > 1.0E15 | 
| ATEX-Directive - TÜV approved! | ATEX-Directive | --- | |
| ESD-D | --- | Ohm | --- | 
| Burning properties | |||
| Fire resistance (Self-classification) | DIN 4102 | Klasse | B2 | 
| Fire resistance (Self-classification) | UL94 | Klasse | HB | 
| Physiological properties | |||
| Food compliant | EU/FDA |