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ISO 180 Type A Cutting Die – Notched Izod Bar
Notched Izod Bar · Izod impact specimen — built to ISO 180. Hardened steel or economical ribbon steel.
Brand: Universal Grip | Model: UGC-CDH-ISO180-TA / | ● Made to order
Cuts the ISO 180 Type A notched Izod Bar profile: length 80 ± 2 mm, width 10.0 ± 0.2 mm
Two styles: hardened steel for 0–5 mm, ribbon steel for 0–3 mm
Integral ejector (hardened) or foam pad (ribbon) pushes each specimen free
Fits manual, pneumatic and hydraulic sample-cutting presses
Free test cuts on your material before you order
Custom profiles, multi-cavity dies and nick/notch features on request
Downloads: Ribbon Steel Die Data Sheet (PDF)
Standards: ISO 180 · ASTM D256
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Precision cutting die for ISO 180 Type A notched Izod Bar specimens
This Universal Grip die cuts the notched Izod Bar (izod impact specimen) defined in ISO 180: Plastics — Determination of Izod impact strength. ISO 180 measures the impact energy absorbed by a vertically clamped cantilever plastic bar struck by a pendulum. The Type A V-notch (2 mm deep) creates a standard stress concentration for notched Izod impact strength.
We make it in two styles so the die suits the material you cut. The one-piece hardened steel die is machined from a single piece of steel and holds its edge on rigid & semi-rigid plastics, filled compounds, rubber, sheet & film from 0 to 5 mm thick. The ribbon steel (steel-rule) die uses a precision-bent hardened rule in a laser-cut plywood base with a foam ejection pad, an economical choice for rubber, elastomers, TPE, foams, soft plastics & films up to 3 mm. Both cut the same ISO 180 Type A profile.
ISO 180 Type A specimen dimensions
The die is cut to the nominal profile in ISO 180: length 80 ± 2 mm, width 10.0 ± 0.2 mm, thickness 4.0 ± 0.2 mm, notch angle 45 ± 1°, notch tip radius 0.25 ± 0.05 mm and remaining width under notch 8.0 ± 0.2 mm. Always check your current edition of the standard for tolerances and the test procedure.
Where it is used
Typical uses for ISO 180 Type A specimens include engineering thermoplastics, automotive interior trim, consumer product housings and resin quality control.
Cutting specimens with the die
Most labs run it on a manual arbor press, but it also fits pneumatic and hydraulic sample-cutting presses, and with an adapter it can cut specimens directly on a universal testing machine. Tell us your press make and model and we will match the mounting. Send us a sample of your material and we will make test cuts free of charge, so you can confirm the edge quality before you order. Hardened dies can be re-sharpened with our die sharpening tool.
ISO 180 Type A Cutting Die Specifications
STANDARD
ISO 180 Type A
SPECIMEN
Notched Izod Bar
SPECIMEN TYPE
Izod impact specimen
LENGTH
80 ± 2 mm
WIDTH
10.0 ± 0.2 mm
THICKNESS
4.0 ± 0.2 mm
NOTCH ANGLE
45 ± 1°
NOTCH TIP RADIUS
0.25 ± 0.05 mm
REMAINING WIDTH UNDER NOTCH
8.0 ± 0.2 mm
HARDENED STEEL DIE
One-piece machined steel, 0–5 mm material, integral ejector plate
RIBBON STEEL DIE
Steel rule in plywood base, 0–3 mm material, foam ejection pad
PRESS COMPATIBILITY
Manual, pneumatic & hydraulic sample-cutting presses
PART NUMBERS
UGC-CDH-ISO180-TA (hardened) · (ribbon)
Models & Options
Hardened Steel Cutting Die — One-piece machined, hardened and precision-finished; rigid & semi-rigid plastics, filled compounds, rubber, sheet & film; 0–5 mm; integral ejector plate; re-sharpenable (UGC-CDH-ISO180-TA)
Ribbon Steel Cutting Die — Precision-bent hardened steel rule in a laser-cut plywood base with closed-cell foam ejection pad; rubber, elastomers, TPE, foams, soft plastics & films; 0–3 mm; economical, fast turnaround
Press mounting — Matched to your press make and model, or an adapter for your universal testing machine (Specify at order)
Custom features — Custom profiles, multi-cavity dies and nick/notch features on request (Custom)
What's Included
ISO 180 Type A cutting die in your chosen style (hardened or ribbon steel)
Specimen ejection: integral ejector plate (hardened) or foam ejection pad (ribbon)
Mounting to suit your press — tell us the make and model
Data sheet with the nominal profile dimensions
Supported Test Standards
ISO 180 — Plastics — Determination of Izod impact strength
ASTM D256 — Related standard: Izod pendulum impact resistance of plastics
Compatible Grips & Fixtures
Arbor press — Benchtop press for cutting notched Izod Bar specimens with this die
Sample die press — Specimen-preparation presses and tools
Die sharpening tool — Restore the cutting edge of a hardened steel die
Plastics testing — Grips and fixtures for plastic film, sheet and molded parts
“Customer quote”
Related Equipment
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Tensile Impact Specimen Type 3 · 10.0 × 10.0 mm narrow section
ASTM D1822 Type L Cutting Die
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GOST 19109 Type A Cutting Die
Notched Izod Bar · length 80 ± 2 mm, width 10.0 ± 0.2 mm
GOST 34250 Type 2 Cutting Die
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ISO 180 Type A Cutting Die FAQ
What is the ISO 180 test used for?
ISO 180 measures the impact energy absorbed by a vertically clamped cantilever plastic bar struck by a pendulum. The Type A V-notch (2 mm deep) creates a standard stress concentration for notched Izod impact strength.
What are the ISO 180 Type A specimen dimensions?
The die cuts the nominal ISO 180 profile: length 80 ± 2 mm, width 10.0 ± 0.2 mm, thickness 4.0 ± 0.2 mm, notch angle 45 ± 1°, notch tip radius 0.25 ± 0.05 mm and remaining width under notch 8.0 ± 0.2 mm. These values come from the standard; check your current edition for tolerances.
Hardened steel or ribbon steel: which ISO 180 Type A die should I choose?
For rigid and semi-rigid plastics, filled compounds and sheet up to 5 mm, choose the hardened steel die. The ribbon steel die is the economical option for soft plastics and films up to 3 mm.
Which press do I need for the ISO 180 Type A die?
The die fits manual, pneumatic and hydraulic sample-cutting presses. On our arbor press it mounts with a lateral screw, and an adapter lets it run on a universal testing machine. Tell us your press make and model and we will match the mounting.
Can you make test cuts on my material?
Yes. Send us a sample of your sheet and we will make test cuts free of charge, so you can see the edge quality and confirm the right die style before you order.
Can you make a custom or multi-cavity ISO 180 Type A die?
Yes. We make custom profiles, multi-cavity dies and nick or notch features on request. Send the drawing or standard, your material and thickness, and your press model.




