PMMA — Polymethyl Methacrylate
PMMA is a transparent acrylic plastic with very high light transmission, good UV resistance and a premium surface finish.
What is PMMA?
PMMA is a transparent acrylic plastic with very high light transmission, good UV resistance and a premium surface finish.
Typical properties
| Density | ~1.17–1.20 g/cm³ |
| Tensile strength | ~55–75 MPa |
| Light transmission | often above 90% |
| Impact resistance | limited |
Typical applications
Light coversDisplaysSignageLuminaire coversOptical components
Industries
AutomotiveLightingConstructionAdvertisingMedical technologyConsumer goods
Processing
Injection moulding, extrusion and sheet production. Drying and clean processing are important for optical quality.
How NSB supplies PMMA
NSB Polymers trades PMMA 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
From our Knowledge Hub
Practical answers to common polymer questions.
Near-Prime, Wide-Spec, Off-Grade & Stocklot — what's the difference?Buying by name vs. process window: the costliest mistakeMFR/MFI vs. RV — why one flow number isn't enough
Browse the Knowledge Hub 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.
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