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Gester Instruments | Professional Glove, Mask, Safety Helmet, Protective Clothing & Footwear Testing Equipment Manufacturer Since 1997


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What's Gester Instruments working time?3

The working hour of GESTER International Co.,Limited is the same as other companies in China. Our employees normally work 40 hours per week, and their rights are fully guaranteed under the labour contract. However, in order to maximize customer benefit, our service personnel is always stand-by to answer customers' questions and help tackle their problems. It is mainly due to we set up a shift working system which ensures enough staff is allocated to finish tasks and answer phone calls. So customers don't need to worry about the after-sales services.

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Gester Instruments Instruments ushers the gsm cutter industry for a profession in manufacturing gsm cutter. Gester Instruments provides a wide range of shoe sole testing for customers. Gester Instruments Instruments automatic hydrostatic head tester meets the requirements of some necessary certifications. They may include CB certification, CCC certification, CCA certification, and LOVAG certification. The product provides a high-accuracy testing result. This product has the advantages of long service life and excellent performance. The product has a high-hardness surface.

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We not only take into consideration what we need to do to make the most of the environmental resources but also human and financial capital. All we do must be able to sustain the global environment as a whole, including the people who live in it.

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Understanding the Color Fastness To Washing Testing Machine GT-D07
The GESTER GT-D07 Color Fastness To Washing Testing Machine is designed to evaluate the color durability of dyed fabrics under washing and dry-cleaning conditions. By simulating real washing processes, it helps determine how resistant a fabric is to fading and staining, ensuring consistency, reliability, and compliance with international standards. With stainless-steel construction, safety features, and precise temperature and timing control, the GT-D07 provides an efficient and standardized testing solution for textile manufacturers worldwide.
Why GESTER is Recognized as a Global Top Safety Shoe Tester Exporter
As global industrial safety requirements tighten, GESTER International Co., Ltd has emerged as a globally recognized top safety shoe tester exporter, serving 168 countries with over 25 years of specialized expertise. The company’s success hinges on its commitment to precision engineering, compliance with international standards (ISO, ASTM, EN, SATRA), and partnerships with renowned testing institutes like SGS, Intertek, and TUV. Its product lineup, including the Safety Glove & Shoe Upper Cutting Tester GT-KC29 and cut resistance testers, delivers reliable, repeatable data for safety footwear durability, cut resistance, and other critical performance indicators. Complemented by a comprehensive global service network (on-site installation, calibration, staff training) and OEM/ODM customization capabilities, GESTER streamlines quality control for manufacturers, facilitating market access and ensuring workplace safety. Trusted by PPE brands and laboratories worldwide, GESTER bridges technical excellence and practical usability to drive efficiency in safety shoe certification and global trade.
What Are the Test Methods for Fabric Bursting Strength?
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,
Elmendorf Tearing Strength Tester GT-C11A You Should Know
The Elmendorf Tearing Strength Tester GT-C11A is a pivotal instrument for evaluating the tearing resistance of various materials, including textiles, non-wovens, paper, and films. Utilizing the proven pendulum method, it delivers precise, repeatable data crucial for quality assurance, product development, and compliance with international standards like ASTM and ISO. This article explores its working principle, key features such as automated testing and pneumatic clamping, and its wide-ranging applications across multiple industries, highlighting why the GT-C11A is a trusted choice for professionals seeking reliable and efficient material performance analysis.
How to Find a Professional Safety Glove Testing Machine Manufacturer with CE Certification?
With the global PPE market’s rapid growth, choosing a professional CE-certified safety glove testing machine manufacturer is critical for data integrity and international compliance. This article explains why CE certification is non-negotiable (ensuring EU safety/quality standards), outlines essential test items (abrasion, cut, thermal protection per EN 388/EN 407), highlights core instruments (GESTER GT-KC28 TDM Cut Tester, GT-KC29 Cutting Tester, GT-C101 Heat Contact Machine), and details how to evaluate suppliers (20+ years of experience, partnerships with SGS/Bureau Veritas, ISO 9001 certification, after-sales support). It also covers the benefits of OEM/ODM capabilities for customized solutions. Ultimately, partnering with trusted manufacturers like GESTER ensures high-precision, compliant testing to protect workers and meet global market requirements.
Heat Contact Machine GT-C101-The Ultimate Selection Guide

The Heat Contact Machine GT-C101 is a specialized testing instrument designed for evaluating the heat resistance and thermal protective performance of gloves, protective clothing, and other heat-resistant materials used in high-temperature environments. In industries such as smelting, casting, welding, and glass manufacturing, workers are frequently exposed to intense heat, making accurate testing of contact heat resistance essential for ensuring safety and compliance.

GT-C101 simulates real working conditions by measuring heat transfer delay and thermal transmission under instant contact with high-temperature surfaces. Fully compliant with EN 407, EN 702, and ISO 12127-1 standards, this machine provides precise, repeatable data for manufacturers, laboratories, and research institutions. With high-temperature capability up to 500°C, advanced calorimetry, digital monitoring, and adjustable contact speed, the Heat Contact Machine GT-C101 is an indispensable tool for developing and certifying next-generation PPE and heat-insulation materials.
What is a Light Fastness Tester?
A Light Fastness Tester accelerates material aging by simulating sunlight (xenon lamps) and moisture to predict long-term durability. Used in textiles, automotive, plastics, and more, it follows AATCC TM 16, ISO 105-B02, and ASTM standards. Features include real-time light control, temperature/humidity regulation, and energy-efficient testing.
ISO 17694 / ISO 5402-1: Footwear Flexing Resistance Test Methods
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.

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Everything You Need to Know About Programmable Temperature Humidity Chamber
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.
Looking for a Laboratory Protective Clothing Tester Supplier? Key Criteria to Consider
As global demand for high-performance PPE surges, selecting a qualified laboratory protective clothing tester supplier becomes critical for manufacturers and regulators. This article outlines core selection criteria: compliance with international standards (ISO, EN, ASTM), comprehensive protective gear tests (particle resistance, fluid barrier, thermal resistance, electrostatic safety), manufacturer qualifications (ISO 9001 certification, partnerships with SGS/TUV/Intertek), equipment precision (automation, modular design, data traceability), and end-to-end service (global support, calibration, customization). With 25+ years of experience, GESTER International delivers standards-aligned, high-precision testing instruments and integrated laboratory solutions, ensuring PPE meets rigorous safety requirements for medical, industrial, and chemical sectors. Explore how to choose a partner that safeguards worker safety through reliable testing.
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Quanzhou Gester International Co.,Ltd gains certificates of ISO 9001, 3A and SGS Audited supplier etc. with advanced design concept, excellent manufacturing technology and strict quality control.
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Tel: +86-595-28886108 
Fax: +86-595-22515221
E-mail: sales10@gester-instruments.com,
                 info@gester-instruments.com
Mobile/Whatapp/ Wechat:  
             + 86(0)18059985379
Address:  Block 402,4th floor, f buliding, shengfulan business Center, no.577 jitai road, economic and  Technological development zone quanzhou of fujian.China.
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