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Gester Instruments | Professional Textile, Footwear and PPE  Testing  Equipments Manufacturers Since 1997


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Products
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What are top selling products in GESTER?

Series are the most popular products GESTER International Co.,Limited sold those years. A number of these products have continued to dominate their markets.  While posting strong performance at a reasonable price, martindale test consistently sells in significantly large numbers over years. It has expanded to many international markets and receives high recognition, which in turn promotes our company's competitiveness and growth.

Over the years, GESTER has been producing crockmeter/rubbing fastness tester. So far, we have been regarded as a reliable manufacturer in the industry. GESTER's water vapor permeability tester series contains multiple sub-products. Comparing with common Lower Temp Flexing Tester, Lower Temperature Flexing Tester has more features. Its key components are made of stainless steel which is durable in use. The product produces little infrared light and closes to no UV emissions. Because of this, it is highly perfect for users to apply it to UV-sensitive objects. The edges of the product have been machined to be smooth.

GESTER consistently works based on the target needs of consumers. Inquire now!

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How to Choose the Right Safety Shoes Testing Equipment Supplier?
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Bally Leather Flexing Tester GT-KC10A Assembly Guide
This comprehensive guide provides detailed instructions for the proper assembly, calibration, and operation of the Bally Leather Flexing Tester GT-KC10A. Essential for quality control labs, it ensures accurate testing of flex resistance in leather, coated fabrics, and textiles used in footwear uppers, helping to prevent material failure.
Elmendorf Tearing Strength Tester GT-C11A You Should Know
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Heat Contact Machine GT-C101-The Ultimate Selection Guide

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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.
How to Test Firefighter Turnout Gear Thermal Protection?
Firefighter turnout gear plays a critical role in protecting firefighters operating in extreme environments involving high temperatures, flames, radiant heat, and convective heat. Its thermal protective performance directly affects firefighter safety and survival during fireground operations. This article explains how to test firefighter turnout gear thermal protection through Thermal Protective Performance (TPP) testing. It introduces the scientific principle based on the Stoll curve, outlines key influencing factors such as heat flux intensity and exposure time, and reviews internationally recognized standards including NFPA 1971 and ISO 17492. The article also highlights the testing advantages of the GT-RC02 TPP Thermal Protection Tester, which provides accurate, stable, and standards-compliant evaluation of flame-retardant protective clothing materials under combined radiant and convective heat exposure.
What is the Use of Air Permeability Tester?
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
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.
GESTER's Success at Shoes & Leather - Vietnam 2025
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.
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,
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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
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             + 86 018059983973
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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