Impact Toughness & Wear Resistance—MC Nylon’s Two Superpowers Explained
2025-07-27

Intro
A forklift accidentally slams into a pallet slider. A standard plastic insert shatters on the spot, while the MC Nylon part shows only a faint white mark. Where does this “can’t‑break‑me” ability come from? Two simple lab tests and real‑world examples will make the answer crystal‑clear.
1 What Really Measures “Impact Toughness”?
Engineers look at impact strength (kJ/m²; higher = tougher). Typical numbers:
MC Nylon: ≥ 60 kJ/m²
Standard PA6: ~ 35 kJ/m²
POM (Delrin): ~ 20 kJ/m²
Think of MC Nylon as that sports water bottle you can toss on the floor without cracking.
2 Test A: The Baseball‑Bat Impact
Setup: Identical strip samples, whacked side‑on with a baseball bat.
Result: POM snaps in two; MC Nylon only shows a stress‑whitened mark—fully intact.
Takeaway: Switch pallet sliders, machine guards, or bumper strips to MC Nylon and cut unplanned downtime.
3 How Do We Judge Wear Resistance?
Enter the wear index (lower = longer‑lasting). Results:
MC Nylon: ≈ 0.25
Standard PA6: ≈ 0.40
Oiled steel (reference): ≈ 0.20
If shoe soles were made of MC Nylon, they’d still look new after a marathon.
4 Test B: Sand‑Belt Abrasion
Setup: Press each sample against 120‑grit sandpaper under a 50 N load for one minute.
Result: MC Nylon loses 0.02 g; PA6 loses 0.05 g—over twice as much material gone.
Applications: Conveyor rollers, chain guides, gears—any high‑cycle part runs longer with MC Nylon.
5 Turning Toughness & Wear Resistance into Savings
Replace metal or standard plastic guides with MC Nylon and you can:
Cut crash‑related stoppages by ~50 %
Stretch maintenance intervals by ~30 %
On a 24 × 7 line, that’s thousands of dollars in spare‑part and labor savings each year. Design tips: round sharp edges and leave a reasonable safety factor to unlock the full benefit.
Wrap‑Up & CTA
High impact strength plus a low wear index—MC Nylon really is both “hard to break” and “hard to wear out.”
Want to prove it on your own equipment? Click below for free test samples and a 24‑hour toughness & wear evaluation tailored to your project!
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