Will your plastic part crack when it’s knocked, dropped, or struck? Impact resistance is what separates a tough, durable component from a brittle one that shatters in service — and ASTM D256 is the standard that measures it. Searching for reliable astm d256 testing services in chennai? Kiyo R&D Lab measures the Izod impact strength of your plastics so you can prove toughness and select the right material with confidence.
From rigid and reinforced plastics to notched and unnotched samples, our expert team delivers accurate impact data, supporting analysis, and clear, audit-ready reports you can rely on.
ASTM D256 is the standard test method for determining the Izod pendulum impact resistance of plastics. A notched specimen is clamped as a vertical cantilever, and a swinging pendulum strikes it; the energy the sample absorbs as it breaks is measured and reported as impact strength. A reliable provider of astm d256 testing services in chennai turns that absorbed energy into a clear toughness value you can compare across materials.
For manufacturers, it confirms a plastic can survive knocks and drops. For designers, it guides material choice for impact-prone parts. For QC and failure work, it flags brittle batches before they reach the field — all to a globally accepted method.
As a full-service provider of astm d256 testing services in chennai, we run the Izod impact variants the standard defines on rigid, filled, and reinforced plastics.
Most common impact measure.
For tougher, ductile plastics.
When notched samples don’t break.
Energy absorbed per unit width.
How notching affects toughness.
Standard temperature & humidity.
| Method | Setup | Best For |
|---|---|---|
| Notched Izod (A) | Notch faces the pendulum | Standard toughness check |
| Unnotched | No notch cut | Ductile / tough plastics |
| Reversed-notch (C) | Notch away from impact | Very tough materials |
| Cantilever beam | Vertical clamped specimen | The Izod principle itself |
Beyond D256, our astm d256 testing services in chennai cover the related impact methods your specification may require, so results are accepted by auditors, buyers, and regulators alike.
ASTM ISO
| Standard | What It Covers | Type |
|---|---|---|
| ASTM D256 | Izod pendulum impact of plastics | Izod |
| ISO 180 | Izod impact (ISO equivalent) | Izod |
| ASTM D6110 | Charpy impact of plastics | Charpy |
| ISO 179 | Charpy impact (ISO) | Charpy |
| ASTM D3763 | High-speed puncture impact | Drop-weight |
Not sure whether you need Izod or Charpy? Our analysts recommend the right impact method for your material and application.
Based in Chennai with branches in Chrompet and Oragadam, Kiyo R&D Lab makes professional D256 impact testing easy to access for the Chennai–Oragadam industrial corridor, with convenient drop-off and courier-friendly collection.
Looking for astm d256 testing services in chennai? Our facilities are equipped for notched, unnotched, and reversed-notch Izod impact testing with clear, accurate reporting.
📞 Call 90420 86986 💬 Request a QuoteExplore all our capabilities at www.kiyorndlab.com.
When durability, safety, and material selection are on the line, trust a lab that delivers clear answers. As a leading provider of astm d256 testing services in chennai, we combine correct specimen preparation, the exact standard method, and expert interpretation to give you impact data you can stand behind.
From a single toughness check to full material qualification, the team at Kiyo R&D Lab is ready to help. Reach out today and turn your sample into a reliable, audit-ready report.
