In the construction and woodworking industries, plastic coil nails have become an essential component in pneumatic nailing systems due to their efficiency, durability, and neat fastening performance. However, many users focus only on appearance or packaging, overlooking the importance of strict testing before actual use. This article shares professional insights on testing methods, standards, and key factors affecting performance to help users better understand plastic coil nails.
1. The Importance of Testing Plastic Coil Nails
Plastic coil nails consist of nails, plastic collation strips, and welding wire. In pneumatic tools, they are fired thousands of times per minute, meaning that even small defects may cause jamming, broken collation, misfiring, or tool damage. Hence, testing before shipment and use is crucial to ensure both quality and safety.
2. Main Testing Items for Plastic Coil Nails
a. Appearance and Dimensional Check
Calipers and microscopes are used to check nail diameter, head size, length, and spacing between strips. The thickness and toughness of the plastic collation must meet standards to prevent cracking under high or low temperatures.
b. Tensile and Impact Test
Tensile and impact tests measure the breaking strength of the plastic strip and its drop resistance at a height of 75cm. High-quality coils remain intact and unbroken even after such tests.
c. Dynamic Firing Test
By simulating real working conditions using a pneumatic nail gun, continuous firing tests (hundreds of rounds) are performed to check feeding stability under high-speed impact. Any jamming or misfiring indicates deviation in nail head or strip alignment.
d. Bonding and Welding Strength Test
The bonding quality between nails and plastic strips is vital. Welds must be strong and uniform; otherwise, detachment may occur during rotation or firing. Torque testers are often used to measure adhesion strength.
3. Key Factors Affecting Test Results
a. Plastic Material: Imported polypropylene (PP) offers excellent toughness and impact resistance, ensuring stability under low temperatures.
b. Environmental Conditions: Temperature and humidity can alter the hardness of the strip, so testing should be done in controlled environments.
c. Wire Quality: Using high-grade low-carbon or galvanized steel ensures corrosion resistance and accurate nailing.
d. Coil Density and Angle: The tightness and alignment of the coiling directly affect feeding performance in the gun.
4. Industry Standards and Certification
Production and testing of plastic coil nails often follow EN 14592 (European structural fasteners standard) and CE certification requirements. Products meeting these standards offer superior strength, stability, and safety.
5. Conclusion
Testing is not merely a formality—it’s a vital assurance of safety and efficiency. From raw materials to final inspection, every step affects performance. Only strictly tested plastic coil nails can deliver stable firing and perfect fastening in demanding applications.
Post time: Oct-23-2025