Zipper Testing & Standards
Introduction
At Lenzip, we understand that the reliability and performance of zippers are critical to
the functionality of various products across industries. To ensure our zippers meet the
highest quality standards, we adhere to internationally recognized testing protocols.
This article provides an overview of the key testing methods and standards that guide
our quality assurance processes.
Key Testing Standards
1. ASTM D2061 – Standard Test Methods for Strength Tests for Zippers
This standard covers various tests to determine the strength of zippers and their
components. It includes evaluations of chain strength, slider pull-off resistance, top and
bottom stop holding strength, and more. These tests help assess the durability and
suitability of zippers for different applications.
2. ASTM D2062 – Standard Test Methods for Operability of Zippers
ASTM D2062 focuses on the functional aspects of zippers, such as the ease of opening
and closing, separator functioning, and resistance to sticking at stops. These tests
ensure that zippers operate smoothly under various conditions.
3. JIS S3015 – Japanese Industrial Standard for Slide Fasteners
The JIS S3015 standard outlines methods for testing the strength and durability of zippers, including crosswise strength, top and bottom stop holding strength, and slider
lock strength. It is widely used in the Japanese market and recognized internationally.
Common Testing Methods
- Chain Crosswise Strength Test : Measures the force required to pull apart the interlocked zipper teeth perpendicular to the chain's length.
- Slider Lock Strength Test : Assesses the slider's ability to remain locked under tension, preventing unintended opening.
- Top and Bottom Stop Holding Strength Tests : Evaluate the resistance of the stops to forces that could cause the slider to detach.
- Reciprocating Fatigue Test : Simulates repeated opening and closing cycles to assess the zipper's durability over time.
- Torsional Resistance Test : Determines the slider pull's resistance to twisting forces, ensuring it remains functional under stress.
Conclusion
By adhering to these rigorous testing standards, Lenzip ensures that our zippers meet
the highest quality and performance criteria. Our commitment to excellence guarantees
that our products are reliable and suitable for a wide range of applications.
For personalized assistance or to discuss your specific requirements, please contact
Lenzip at info@lenzip.com or call 847-368-9000.
