China DONGGUAN LONROY EQUIPMENT CO LTD company news

How to Operate Salt Spray Test Chamber The salt spray test chamber is a key tool for assessing how well materials or products resist corrosion under controlled salt spray conditions. To ensure accurate, reliable test results, its operation requires following a structured, meticulous process. Below ... Read More

Operating Instructions and Precautions for Multi-stage Spring Impact Hammers I. Introduction The manufacturing standards of universal spring impact hammers, multi-stage spring impact hammers, and six-stage spring impact hammers are as follows: Multi-stage spring impact hammers are manufactured in ... Read More

How to Test the Wear Resistance of Rubber According to ASTM D5963 When evaluating whether a rubber material possesses adequate wear resistance, adhering to the American Society for Testing and Materials (ASTM) Standard D5963-22 is widely recognized as a reliable approach. Below is a clear, easy-to... Read More

Technical Points of the Rain Test Chamber from IPX1 to IPX8 The IIPX1-8 rain test chamber is a comprehensive waterproof testing equipment. It can simulate different levels of rain spray environments and conduct waterproof performance tests on the test samples. It is designed and manufactured in ... Read More

How to Measure the Tensile Properties of Materials Based on ISO527 If you want to know how much tensile force a material like plastic can withstand and how long it will remain intact, it's correct to measure according to the international standard ISO527. I. Prepare the tools 1. Tensile testing ... Read More

What Are the Main Application of Friction and Wear Testing Machines? Friction and wear testing machines serve as essential instruments for evaluating the tribological properties of materials, specifically their wear resistance and frictional characteristics during sliding contact. These systems play ... Read More

What are the Common Abrasion Tests Used Internationally? In today's society, the widely used testing instruments for wear resistance include the wear test machine, scratch tester, oscillation test machine, and linear wear tester. The formulation of the standard for coating wear resistance test ... Read More

How is the Color Fastness Rated? Most of the current color fastness testing methods are conducted through simulation or comprehensive tests based on the environmental and conditions involved. The color fastness levels are determined by observing the color changes of the test samples and the color ... Read More

What is Offset Printing? Offset printing, also referred to as lithography, offset lithography, or litho - offset, stands as one of the most widely favored printing techniques across various industries. Due to its capability to achieve high - volume production while sustaining quality, professional ... Read More

How to Perform a Shear Strength Test to ISO 4587 ISO 4587 is a widely adopted testing standard used to measure the shear strength of adhesion between rigid components. This guide is designed to introduce you to the basic elements of an ISO 4587 adhesive shear test, including the defination, ... Read More