Info Center

Our expert team provides comprehensive on-site installation and training for the Incline Impact Tester GT-N49. This critical packaging testing equipment simulates real-world impacts during handling, transport, and stacking to evaluate product damage resistance. Learn about its key features like flexible moving plates, height adjustment, pneumatic angle control, and remote operation safety. Our service ensures proper setup, operational mastery, maintenance guidance, and troubleshooting support for research institutions, manufacturers, and quality control departments, maximizing your testing accuracy and equipment lifespan.

Discover how universal testing machines perform tensile, compression, bending, and peel tests on metals, plastics, rubber, and composites. Features include servo motors, 0.001mm resolution, RS232 data, and safety systems. Step-by-step operation guide included.

This guide details the 9 critical physical property tests essential for assessing leather quality: Tensile Strength, Tear Strength, Abrasion Resistance, Thickness, Water Vapor Permeability, Water Resistance, Shrinkage Temperature, Color Fastness to Friction, and Bending Strength. It covers the testing scope (natural leather, synthetic leather, finished products, semi-finished goods) and introduces specialized testing equipment required for each method (e.g., Universal Testing Machine, Elmendorf Tester, IULTCS/Veslic Abrasion Tester, Bally Penetrometer, Shrinkage Temp Tester, Crockmeter, Flexing Tester). Essential for manufacturers, quality controllers, and product developers to ensure leather durability, performance, and compliance with industry standards.

Choosing between water-cooled and air-cooled light fastness testers depends on precision needs, budget, and application. Water-cooled testers (like GESTER GT-3000) offer superior spectral accuracy and stability for rigorous standards (e.g., automotive, coatings). Air-cooled models (like GESTER GT-D02A-1) provide energy efficiency and easier installation for routine QC. This guide compares cooling methods, features, and applications to help you select the optimal tester.

A Programmable Temperature Humidity Chamber simulates environmental conditions to test product durability, stability (like shelf life & ageing), and performance across materials, electronics, automotive parts, food, and pharmaceuticals. This guide explains its five core systems (Control, Refrigeration, Heating, Humidity, Air Circulation) and their functions for precise testing.

An air permeability tester measures how easily air passes through textiles, nonwovens, and other materials, directly impacting comfort (heat/moisture management) and performance (wind resistance, filtration). This guide explains how digital testers work using pressurized airflow, details step-by-step testing procedures (including nozzle selection), and covers key applications in apparel, medical, automotive, and industrial sectors. Explore compliant standards (ISO 9237, ASTM D737, GB/T 5453) and factors for choosing the right tester.

GESTER successfully participated in Shoes & Leather Vietnam 2025 (July 9-11), showcasing cutting-edge footwear testing machines. Visitors explored equipment like the Bally Resistance Flexing Tester and Martindale Abrasion Tester, with many expressing strong collaboration interest. Learn more about GESTER’s innovative solutions for the footwear industry.

Discover actionable strategies to enhance the drop dart impact strength of plastic films for packaging, agriculture, and construction. Learn how material selection, additives, processing, and rigorous ASTM/ISO drop dart impact testing ensure product durability and prevent failure.

A hydrostatic head tester evaluates the waterproof capability of textiles, automotive interiors, and industrial materials. This guide covers its working principle, core components, global test standards (ISO, AATCC, EN), and a detailed testing procedure to ensure accurate results.

Master fabric shrinkage testing with this definitive guide. Understand causes of shrinkage, industry standards (ISO, GB, AATCC), step-by-step testing methods using Wascator equipment, and strategies to minimize shrinkage for superior garment quality and customer satisfaction.

Color fastness testing evaluates how well fabrics resist fading or bleeding under conditions like washing, rubbing, light exposure, and perspiration. Key tests include rubbing fastness, washing fastness, light fastness, perspiration fastness, and sublimation fastness. These tests ensure textiles maintain color integrity, prevent health risks, and meet quality standards. Learn about different testing methods and equipment used in the textile industry.

Fabric bursting strength measures resistance to rupture under concentrated load. Three primary test methods are used: Ball Burst Method (ASTM D3787): Steel ball penetration for textiles/films using testers like GT-C02-2. Hydraulic Method (ISO 13938.1): Fluid pressure on rubber diaphragm for industrial fabrics via GT-C12A. Pneumatic Method (ISO 13938.2): Compressed air for breathable materials tested with GT-C12B. Results are influenced by raw materials, yarn properties, fabric structure, and testing conditions. GESTER International provides certified equipment meeting global standards (GB/ASTM/EN/JIS) for accurate textile, leather, and paper testing.

This comprehensive guide explains the 3-Position DIN Abrasion Tester, a rotary drum instrument simulating real-world wear to quantify material abrasion resistance. Learn its working principle (mass/volume loss measurement under controlled friction), key features (touch-screen control, automated dust cleaning), and applications across rubber, tires, footwear, and conveyor belts. Discover compliant standards (DIN 53516, ISO 4649, ASTM D5963), step-by-step operation procedures, and essential maintenance practices for accurate wear testing.

Footwear soles and uppers endure thousands of flex cycles during use, risking premature cracking, delamination, or chipping if material resistance is inadequate. This technical analysis details two critical international standards: 1. ISO 5402-1: Specifies the flexometer method for testing leather flex resistance under repeated bending. 2. ISO 17694: Defines test methods for footwear upper and lining flex resistance, simulating real-world bending stress to assess long-term durability. Compliant equipment like the GESTER Bally Flexing Resistance Tester (featuring interchangeable A/B grips) meets these standards plus SATRA TM 55, EN 13512, ASTM D6182, GB/T20991, and others. Key features include a 90° clamp system, controlled-angle oscillation, and validation for leather, textiles, and coated fabrics used in shoe manufacturing. Implement these tests for reliable quality control and extended product lifespan.

Textile water resistance testing evaluates fabrics through three primary methods: hydrostatic pressure (measuring water penetration resistance), spray rating (assessing surface water repellency), and water repellency tests (quantifying water absorption). Hydrostatic pressure testing is critical for high-performance applications like outdoor apparel and diving gear, while spray rating evaluates surface staining for rainwear. Water repellency tests, such as the Bundesmann method, determine overall water resistance and are often conducted alongside other tests for comprehensive analysis. Standards like AATCC 127, ISO 811, and GB/T 4744 guide these assessments, balancing waterproofing with breathability. Testing choices depend on the textile’s end use, with premium products prioritizing both water resistance and moisture permeability. This guide outlines methods, equipment, and applications for optimizing textile performance.