APP — Atactic Polypropylene
APP is atactic polypropylene with a soft, amorphous structure and a good modifying effect in bitumen and adhesives.
What is APP?
APP is atactic polypropylene with a soft, amorphous structure and a good modifying effect in bitumen and adhesives.
Typical properties
| Density | ~0.85–0.91 g/cm³ |
| Softening point | often 100–160 °C |
| Classic tensile strength | not primary |
Typical applications
Roofing membranesBitumen modificationAdhesivesCoatingsSealants
Industries
ConstructionRoofing membranesAdhesivesRoad constructionCoatings
Processing
Blended into bitumen, adhesive or coating systems. Softening point and viscosity are the key parameters.
How NSB supplies APP
NSB Polymers trades APP in Prime, Near-Prime, Wide-Spec, Off-Grade and Stocklot qualities — sourced from 50+ producers and 200+ trading partners worldwide. Available lots change weekly.
Related materials
Typical guide values only. Actual density, tensile strength, MFI, heat deflection and processing behaviour vary by producer, additive package, reinforcement content, moisture, colour, recycled content and quality level (Prime, Near-Prime, Wide-Spec, Off-Grade, Stocklot). These values are not a specification and no guarantee of suitability for a specific application — binding are only written offers and agreed specifications. See our Note on product information.
Request APP
Pre-filled with your material — please add quantity and shipping address.