ISO34-1 Crescent Cutting Blade Die

NegotiableUpdate on 05/06

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Overview

ISO34-1 Crescent Cutting Knife Die: ISO 34-1 and ASTM D624 are two standard "crescent" cutting knives, and their core differences are similar to the right angle and pants shapes you previously discussed: the sample sizes of the two are significantly different, and there are also differences in key cutting depth requirements.

Product Details

📊 Detailed Comparison of ISO 34-1 Crescent Cutting Knife vs. ASTM D624 Crescent Cutting Knife

comparative dimension	ISO 34-1 Crescent	ASTM D624 Crescent
Standard Number	ISO 34-1 (corresponding to the national standard)GB/T 529-2008)	ASTM D624
Sample type code in the standard	Type C(Method C)	A型(Die A)
Sample appearance	Crescent shaped (arc-shaped)	新月形 (Nicked Crescent)
External dimensions (thickness x key width x length)	2 × 25 × 115 mm	2 × 21.9 × 57.2 mm(Refer to previous information)
Incision requirements	Usually with incisionCutting mold unitEquipped with replaceable cutting bladesUsed to accurately make initial incisions on the sample. can provideNo incision, fixed incision, adjustable incision depth (adjustable range 1mm)Three versions.	With incisionThe mold needs to be able to prepare samples with initial incisions.
test speed	500 mm/min ± 50 mm/min	500 mm/min(Refer to previous information)
Result Calculation	Record the tearing processforce valueDivide by the thickness of the sample.	Record the tearing processforce valueDivide by the thickness of the sample (refer to previous information).

ISO34-1 新月型裁切刀刀模

🔍ISO34-1 Crescent Cutting Blade DieInterpretation of Core Differences

Different external dimensionsThis is the most intuitive difference. The dimensions of the ISO 34-1 C-type specimen are2×25×115mm The size of the ASTM D624 Type A specimen is2×21.9×57.2mmThe length and critical width of the two are not the same, which means they are two different samples,Cannot be used interchangeably.
The testing purpose is the same, but the design philosophy is differentAlthough both are used to evaluate the tear performance of materials in specific curved shapes, the ISO and ASTM standard systems have their own emphasis on specimen design. Based on the previous discussion on the comparison of right angle and pants shapes, even if the test item names are similar (such as "crescent"), the differences in specific test conditions (such as sample size) determineThe test results of the two cannot be directly exchanged or compared.
Possible differences in incision depthAlthough the search results did not explicitly provide the depth value of ASTM D624 Type A incision, please refer to your previous discussionRight angle/B-type(ASTM 0.5mm, ISO 1.0mm) andPant Type/T TypeIt can be reasonably inferred that the incision depth of ASTM D624 Type A is likely to follow the consistent pattern in the ASTM system0.5 mmThe incision of ISO 34-1 C type can be adjusted (range 1mm), and the standard specified value may be1.0 mm.

💡ISO34-1 Crescent Cutting Blade DieSummary and Recommendations

Simply put,There are significant differences between ISO 34-1 Type C and ASTM D624 Type A cutting knives in terms of external dimensions and cutting depthThey are designed to meet the requirements of their respective standard systems and cannot be mixed.

If your testing requires strict adherence to a certain standard (such as certification for products exported to North America), it is important to clarify with the supplier the specific standard number (ISO 34-1 C or ASTM D624 A) that the cutting blade complies with when purchasing, and confirmsample sizeandDepth of incisionWhether it meets the requirements. If these two parameters do not match, the test result is invalid.