loading

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


Products
Test Standard

Zipper reciprocating pull testing machine experimental test standards and requirements

The zipper reciprocating fatigue tester is used to test whether the zipper can withstand a specified number of reciprocating pulling operations under the action of transverse and longitudinal tension. During the test, the machine drives the slider of the zipper at a constant speed, and reciprocates 30 times per minute until the specified number of times. This article (Hong Kong) Co., Ltd. focuses on the introduction of the zipper reciprocating fatigue test standards and requirements for you. Standard requirements: 1, zipper strength test Zipperstrength: ASTMD2061/BS3084/AS2332/NFG91-005/DIN3419-12, zipper durability test DurabilityofZipper: BS3084/AS23323, color fastness test Colourfastnessto: Dry cleaning: BS1006: D01 Washing: BS1006: C03 Water: BS1006: E014, Shrinkage Test DimensionalStabilityto: Water Washing: BS20577: 2A Dry Cleaning: CommercialProcess5, Appearance Retention: Water Washing BS20577: 2A Dry Cleaning: CommercialProcess6, Metal Antirust and Corrosion Test Rust/TarnishTestofMetallicFinishes7, zipper torque test TorqueTestforZipperPuller : ASTMD20618, zipper insertion test ZipperInsertion9, zipper smoothness (usability) test OerabilityofZipper:ASTMD2062 conductedwithZipperStrength to measure the basic test method of zipper strength The ability to resist lateral forces in an interlocked state, which is very similar to actual use. (2) Test the upper stop strength of the zipper teeth interlock, pull the slider to the upper end stop, and pull the slider. At this time, the upper stop strength of the zipper can be measured, which simulates that the zipper is in the holding state. The ability of the slider to resist external forces when pulling off the upper stop or moving the upper stop from the rib. (3) The zipper test of the bottom stop strength Pull the slider to the lower end stop, the pull teeth are divided into left and right parts, pulling the left and right sides of the chain teeth can measure the force required for the bottom stop to be damaged, and measure the pull Resistance of head internals. (4) Test of open-end flat pull strength Test the open-end zipper cannula and socket to resist external force damage, fix the left and right sides of the open-end up and down with the clamp, and start the machine when the zipper is closed. (5) Test the locking strength of the slider. The slider is self-locked in the middle of the connecting teeth, and the zipper teeth are divided into two parts. The zipper of the left and right parts can be stretched to test the locking strength and the resistance of the internal components of the slider. force. (6) Test of the binding strength of the slider and the slider. Apply the slider force in the direction perpendicular to the slider until the slider is separated from the slider. The value recorded at this time is the binding strength of the slider and the slider. More about Zipper Reciprocating Fatigue Tester: http://www.lalianniukou.com/productlist/list-5-1.html

textile testing equipment are among the best and the long known , which plays an essential part in automatic manufacturing.

We are proud to be one of the largest suppliers out there. You will love what we offer for your textile testing equipment solution. Check our website at GESTER Instruments or call to talk to our customer service department with any questions you may have.

Do you want to find a provider to get your textile testing equipment problem settled? If so, we suggest that you give a shot to GESTER International Co.,Limited. Visit GESTER Instruments to learn more and contact us.

The same determination is critical for business owners. The journey in textile testing equipment business is both a challenging and rewarding experience.

GESTER Instruments clearly and succinctly expresses what our company is all about. Strong brands cut through the noise to grab the audience and immediately shed light on the character of the product or service.

GET IN TOUCH WITH Us
recommended articles
What Are the ISTA Standard Tests and ISTA Testing Equipment?
ISTA (International Safe Transit Association) standard tests are globally recognized transportation packaging test procedures designed to evaluate the safety and reliability of products and their packaging throughout the logistics chain. By simulating real-world transportation conditions such as drops, vibration, impact, stacking, and compression, ISTA testing helps identify potential packaging weaknesses before products enter large-scale distribution. ISTA testing equipment—including drop testers, vibration testers, incline impact machines, and compression testers—plays a critical role in accurately reproducing these conditions under laboratory settings. Proper selection and use of ISTA-compliant equipment enable manufacturers to reduce transportation damage, lower return costs, enhance packaging design, and improve customer confidence in product quality and logistics safety.
How to Improve Plastic Film Drop Dart Impact Strength
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.
Analysis of Pilling Influencing Factors and Testing Methods
Pilling testing plays a vital role in textile quality control, helping manufacturers evaluate and improve the wear performance of fabrics. Through the use of advanced instruments like ICI Pilling Box Test Method (GT-C18) , Martindale Abrasion Test Method (GT-C13B) , and Random Tumble Pilling Test Method (GT-C19A) , laboratories can conduct precise and standardized assessments, ensuring that final textile products deliver superior appearance, comfort, and longevity.
Must-See Innovation: Leading Safety Helmets Tester Company at A+A International Trade Fair
The A+A International Trade Fair in Düsseldorf serves as the global hub for occupational safety and PPE innovation, where GESTER—an industry leader with over 20 years of R&D experience—shines as a top safety helmets tester company. This article explores the evolving global safety standards (ISO, ASTM, EN, ANSI) driving demand for advanced testing equipment, and highlights GESTER’s high-precision solutions for impact absorption, penetration resistance, and flame resistance testing. With ISO 9001 certification, computerized automation, real-time data capture, and a comprehensive global support framework (on-site installation, calibration, OEM/ODM services), GESTER empowers PPE manufacturers and laboratories to meet rigorous compliance requirements. The company’s presence at A+A underscores its commitment to bridging innovative PPE design with reliable safety validation, helping businesses accelerate time-to-market while ensuring worker protection worldwide.
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.
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,
Understanding Universal Tensile Testing machine: Feature, Operation
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.
Strengthening Safety Standards: The Role of a PPE Testing Equipment Supplier at A+A
The A+A Trade Fair in Düsseldorf (2026) highlights tightening global PPE safety regulations, shifting the industry from basic compliance to comprehensive performance verification. As international standards (ISO, EN, ASTM) become more granular, professional PPE testing equipment suppliers like GESTER play a pivotal role in bridging theoretical standards and practical implementation. GESTER’s high-precision, multi-standard testing tools (covering cut resistance, thermal protection, liquid penetration, etc.), backed by ISO 9001 certification and partnerships with SGS/TUV, ensure data traceability, reliability, and compliance. With 20+ years of expertise, modular innovation, and holistic service (calibration, training), the supplier supports manufacturers and laboratories in meeting stringent safety benchmarks, enabling global market entry and safeguarding worker lives. Strategic procurement of such future-ready equipment is key to long-term occupational safety success.
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.
GESTER: China Top PPE Testing Equipment Company Leading Global Safety Standards
Since 1997, GESTER International Co., Ltd has emerged as China’s top PPE testing equipment company, with 25+ years of R&D experience in high-precision testing instruments. Serving clients in over 160 countries and partnering with global leaders like SGS, Intertek, and TUV, GESTER aligns its products with international standards (ISO, ASTM, EN, GB) to ensure reliable PPE performance. Highlighted by the GT-RC02B TPP Thermal Protection Tester—capable of simulating extreme thermal environments and calculating critical safety metrics like TPP values and escape time—and the GT-KC28 TDM Cut Test Machine, GESTER’s portfolio covers thermal protection, cut resistance, footwear testing, and more. The company offers comprehensive support, including ISO 17025/NFPA-aligned calibration, on-site installation, and staff training, empowering PPE manufacturers and testing laboratories to meet stringent global regulations, prevent workplace injuries, and accelerate market access. As a leader in global safety standards, GESTER combines technical precision, user-centric design, and lifecycle service to deliver tailored solutions for high-risk industries worldwide. Visit https://www.gesterinstruments.com/ for full product details.
no data
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.
WeChat
Contact us
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.
Customer service
detect