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  • High chair impact testing machine test method
    High chair impact testing machine test method October 13, 2020
    Children's high chair test: Under a tension of 25N, the length of a string, strap and similar parts is measured from the fixed point on the high chair to the free end of the string, strap and similar parts. Under a tension of 25 N, the circumference of a ring should be measured from the fixed point on one end of the high chair to the fixed point on the other end. The high chair should be placed on the floor in the normal state of use, and the legs should be fixed with a block, opposite to the direction of force. Adjust the impact hammer to drop from a height of 116mm. The hammer should strike the impact point of the structure when the arm of the impact hammer is vertical. The impact hammer should strike from the outside to the center of the uppermost point on the back, and-the center of the tray (if any), and-the center of the horizontal member, and-the two lateral protections. If the high chair can be fitted with a removable tray, the test should be carried out with and without tray. If the high chair falls over during the test, it should be prevented from touching the ground. Repeat the test on the backrest from the inside of the high chair in the same way as above. Each point will be tested 5 times. GESTER High Chair Seating Impact Testing Equipment GT-MJ31: It adopts PLC touch screen control, which makes the operation more convenient. The main structure is made of aluminum, beautiful and easy to maintain. In addition, the machine adopts electronically controlled loading device action, which has a wider test space.
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  • GESTER holiday notice
    GESTER holiday notice September 27, 2020
    This year’s Chinese Mid-Autumn Festival and National Day coincide with the same day. So our holiday time is: October 1st-October 8th, work on the 9th. People's Republic of China National Day is also called "eleven national day", "National Day", "national day of China" and "National Day golden week". The Central People's government has declared that since 1950, the date of the founding of the People's Republic of China in October 1st every year, namely the national day. The Mid-Autumn Festival falls on the 15th day of the 8th lunar month, usually in early September to early October of the Gregorian calendar with full moon at night. It is a time for family members and loved ones to congregate and enjoy the full moon - an auspicious symbol of abundance,harmony and luck. GESTER wishes everyone a happy Mid-Autumn Festival and National Day!
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  • What are the structural components of the shoe flexing testing machine
    What are the structural components of the shoe flexing testing machine September 15, 2020
    The Shoes Flexing Tester adopts the method of simulating the walking of shoes, simulating the bending angle of running, and after continuous reciprocating bending under the conditions of fixed frequency, fixed time and fixed angle, it is judged whether it is degummed or cracked. This instrument can be used as a basis for testing the quality of shoes, and can also be used as a bending resistance test instrument for shoe soles. It is dedicated to the bending resistance test of finished footwear; to understand the damage degree of the finished footwear under repeated bending; and the damage degree of each glued surface. This data can be used as a reference for improvement and quality control by the manufacturer in the shoemaking process. The Whole Shoes Flexing Tester consists of the following structural components: Swing the metal plate, the swing frequency is 140 times/min; Two artificial feet with adjustable size and position; Digital counter, with reset function, can be set for the required number of tests; Angle adjustment device, which can be adjusted to the zero position (start position); A water reservoir with a small water pump is connected to the workbench to keep the sample shoe sole wet after loading. (Please use the protective cover during the wet test); The control panel can switch the working status of the instrument and set the counter, including: through the air switch, start button, stop button, manual button, reset button, preset electronic counter. The Whole Shoes Flexing Testing Machine simulates the tortuous state of the upper leather during walking while wearing shoes. The sample material is clamped with an inverted V-shaped clamp. The clamps must be able to move relative to each other, so that when the two clamps are close, the sample material will bend and a downward During the testing of the four upward folds around the downward fold, the fixture must be able to vibrate at a constant speed so that the sample can be bent repeatedly to observe the damage or salt spots of the sample. GESTER Footwear Testing Equipments: Whole Shoes Flexing Tester (Test 4 samples) GT-KA01-2 Whole Shoes Flexing Tester (Test 2 Samples) GT-KA01-2B
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  • Introduction to the new series of GESTER instrument shoe material testing equipment
    Introduction to the new series of GESTER instrument shoe material testing equipment September 05, 2020
    Shoelace Rubbing Resistant Tester 6 stations Application: Shoelace Abrasion Tester: Measure the friction performance of shoelaces repeatedly rubbing the standard eyelet, or determine the friction performance of the shoelace on the standard shoelace. Pass a section of the shoelace and be clamped by a piece of fiberboard (cardboard) Shoe eye. Used to test the abrasion resistance of shoelaces made of cotton, linen, chemical fiber and other materials. DIN Abrasion Tester Application: abrasion performance test of elastic materials, rubber, tires, conveyor belts, conveyor belts, shoe soles and other materials. Martindale Abrasion Tester Application: Determine the abrasion resistance of various shoe upper materials. Under the standard pressure and friction path, the sample rubs against a known friction fabric. Shoes Stiffness Tester Application: Used to test the bending resistance of finished shoes-French shoes in sizes 39 and 42 and British shoes in sizes 6 and 8. Clamp the front part of the shoe with the clamp (confirm that the forefoot 1/3 of the shoe is located at the position of the shaft). After the motor is started, the pulley is driven to make the shaft drive the rotating plate to apply a force of 30N to the shoe at a speed of 100mm/min for testing. Penetration-Resistant Inserts Flexing Tester Application: Test the bending resistance of safety insoles (puncture-proof pads). Lift the insole to a distance of 33mm from the zero position through the guide rod, and repeatedly bend the sample to check the damage of the insole. Quanzhou GESTER Instrument Co., Ltd. specializes in R&D and sales of footwear testing equipment. The company has a good market reputation and has a professional technical team. With years of experience, familiar with and understand the market conditions, it has won the recognition of domestic and foreign manufacturers. Welcome to consult:sales@gester-instruments.com
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  • About EN 149:2001+A1:2009(E)
    About EN 149:2001+A1:2009(E) "Respiratory Protective Equipment-Particulate Protection Filter Half Mask-Requirements, Testing and Marking" August 20, 2020
    In the EU market, the “CE” mark is a compulsory certification mark. Whether it is a product produced by an EU enterprise or a product produced in another country, if you want to circulate freely on the EU market, you must affix the “CE” mark to show that the product complies with The basic requirements of the EU "New Methods of Technical Coordination and Standardization" directive. This is a mandatory requirement of EU law on products. Among them, the applicable regulations for protective masks are (EU) 2016/425 "Personal Protective Equipment Regulations", which belong to category III products. The test standard is EN 149:2001+A1:2009(E) "Respiratory Protective Equipment-Particulate Protection Filter Half Mask-Requirements, Testing and Marking" Respirators that meet the requirements of EN149:2001 are designed to prevent solids, water-based aerosols and oil-based aerosols, and can be dust, fog, or fiber resistant. The standard puts forward 16 indicator requirements, among which the key indicators are practical performance, total leakage, penetration rate of filter material, flammability, carbon dioxide content in inhaled air, exhalation valve (flow treatment, cover fastness), breathing Resistance etc. According to the different particulate protective filter materials, they are tested and classified by NaCl (sodium chloride) and DOP (paraffin oil) aerosols. According to the protection level of masks, it is divided into FFP1, FFP2 and FFP3. The mask testing equipment needed: Mask Flame Retardant Tester GT-RA06 Filter oscillation test chamber GT-RB01 Masks Universal Tensile Strength Tester GT-C02-1 Mask And Respirator Breathing Resistance Tester GT-RA03B Automatic Particulate Filter Efficiency PFE Tester GT-RA09 Programmable Temperature And Humidity Test Chamber GT-C52 Protective Clothing Against Solid Airborne Particles Tester GT-RA08 Non-power Air-purifying Particle Respiratory Protective Tester GT-RA05
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  • Ethylene oxide residue tester (Gas chromatography)
    Ethylene oxide residue tester (Gas chromatography) August 14, 2020
    Ethylene oxide residue tester gas chromatography Test principle: In the sealed bottle, the volatile ethylene oxide molecules escape from the liquid phase into the gas phase on the liquid surface. At a certain concentration, the ethylene oxide molecules reach dynamic equilibrium between the gas and liquid phases. The concentration of ethane in the gas phase is directly proportional to its concentration in the liquid phase. The concentration of ethylene oxide in the gas phase is measured by a gas chromatography instrumentation to determine the residual amount of ethylene oxide in the mask. Ethylene oxide residue tester indicator function: Ethylene oxide is a toxic carcinogen, and the residual amount of ethylene oxide in masks is an important indicator for verifying the hygiene and health of masks. The residual amount of ethylene oxide in the mask cannot exceed 10μg/g.
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  • Medical mask flame retardant performance tester
    Medical mask flame retardant performance tester July 20, 2020
    Medical Face Mask Flame Resistance Tester Test principle: Pass the mask through a flame with a temperature of 800°C and a flame height of 40mm at a speed of 60mm/s. When the mask is completely out of the flame, measure the afterburning time and smoldering time of the mask. So as to achieve the purpose of judging whether the mask is flammable. Flame retardant performance index function: The flame retardant performance is an important indicator of whether the mask has undergone flame retardant finishing. The masks we wear should be made of non-flammable materials to ensure that the person wearing the mask will not burn the face due to the burning of the mask when it accidentally approaches the fire source. GESTER Mask testing machine recommendation: Mask Flame Retardant Tester GT-RA06
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  • Mask respiration resistance testing machine test principle
    Mask respiration resistance testing machine test principle July 11, 2020
    Respiratory Resistance Tester Test principle: By simulating the exhalation of the human body and the airflow generated by inhalation, the exhalation resistance and inhalation resistance generated when wearing the mask are detected, so as to determine whether the person wearing a mask with a certain filtering efficiency affects the normal breathing of the human body purpose. Expiratory resistance, inspiratory resistance indicators: Exhalation resistance, inhalation resistance index function Exhalation resistance and inhalation resistance are one of the important indicators that represent whether the human body will have respiratory discomfort when wearing a mask. If the resistance is too large, it will affect the normal breathing of the human body, and the more unsuitable for wearing, the masks with exhalation resistance greater than 250Pa and inhalation resistance greater than 350Pa are all unqualified products. GESTER Mask Testing Machine recommendation: Mask And Respirator Breathing Resistance Tester GT-RA03B
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A total of 40 pages

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