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EN 71 KE Tester
Kinetic Energy Tester T011

T011 Kinetic Energy Tester is used to test the maximum energy produced from projectile toy shoot bullets or launched bows, so as to evaluate ejection articles will cause injury for children or not.

Dynamic Strength Tester
Toy Dynamic Strength (2m/s) Tester T012

T012 Dynamic Strength & 2m/s Tester is used test dynamic strength for wheeled ride-on toys. Simulate children wheeled ride-on toys vertically crush the inelastic step 50 x 50 mm at the stable speed of 2m/s±0.2/s, and then check the damage degree. This device can be used for children ride-on toys, such as children tricycle, toy bikes, scooters, etc.

Sharp Point Tester
Sharp Point Tester T004

Sharp point tester is to determine whether accessible sharp points on child-related products are likely to cause injury. If the accessible sharp point penetrates a specified depth into the small rectangular opening of the tester, the LED is illuminated to indicate that the point is unacceptably sharp.

Mouth Toy Endure Tester
Mouth Actuated Toy Tester T005

Used to test the safety of the Mouth-Actuated Toys, such as whistles with a ball, the sounders with a reed and other toys. Load the mouth-actuated projectile toy with the intended projectile and apply a pressure of 13,8 kPa ± 5 % in the direction of the mouthpiece for 5 s. Carry out the test 10 times in total.

Toys Accessibility Probe
Accessibility Probe T006

Accessibility Probe is used to assess the surface or components (points and surface of toys) of toys is likely to be touched and lead to hazardous. If the probe contacts the part or component, the part or component is considered to be accessible. Therefore, to do related tests based on standards to decrease hazards for children. This tools are including 2 parts: Probe A and Probe B. An accessible point for a toy or article intended for children 3 years of age or less is one that can be contacted by any portion forward of the collar of the accessibility probe designated as Probe A . An accessible point for a toy or article intended for children over 3 years of age is one that can be contacted by any portion forward of the collar of the accessibility probe designated as Probe B . An accessible point for a toy or article intended for children of ages spanning both age groups is one that can be contacted by any portion forward of the collar of either Probe A or B.

EN 71 toy tester
Sharp Edge Tester T001

T001 Sharp edge tester is used to determine whether the accessible edges on child-related products are likely to cause potential risk of injury after normal use and reasonable abuse. Those child-related products include metal or glass edges on toys and other articles intended for use by children under 8 years of age.

ISO 17707 Whole Sole Flexing Machine
Whole Sole Flexing Machine H018

H018 Whole Sole Flexing Machine, to measure the material's resistance to incision elongation(cut growth) during repeated flexing, especially for outsoles of protective footwear, including soles. The machine has three vertical or horizontal stations available for customized and is easy to operate. Loading, unloading and measurements are also much easier to carry out with the workstations provided. The sample flexes at speed of 140 times per minute, and the exact number is recorded in a counter that has been preset to the required number of flexing. A fixture can be used to position the steel chisel, which can be used to support the sample after the initial chipping. All mobile parts that need access are fully protected with a fully interlocked security cover to ensure that the machine complies with the latest security regulations. A manual device can be used to measure the hardness of the outer bottom and check whether the outer bottom must be twisted in accordance with EN ISO 20344. UTS also provide a version of this machine for testing at low temperatures allowing tests to be conducted down to -20°C.

Water Resistance Tester
Shoe Water Resistance Tester H009

To determine the waterproofness property for finished shoes. Within the specified depth of water, whole shoe will be mechanically brushed by rotary wet brush, so as to measure the water penetration property for finished shoe.

NBS Abrader - Abrasion Tester
NBS Rubber Abrasion Tester H014

To determine the abrasion resistance property for rubber or other compounds, sole and heel materials which are not less than 2.54mm in thickness. This machine has memory function so that users can set the number of tests by themselves. The current records will be kept not to change even if power failure or stop occurs. It also can be connected to a cleaner for easy cleaning.

astm d1424  Elemendorf Tear Tester
Digital Elemendorf Tear Tester M006B

To determine the tearing resistance strength (Elmendorf method) for various textiles. Also available for thick paper, plastic cloth and electrical insulating tapes. Three interchangeable pendulums ranging from 16,000 to 128,000 Millinewtons (mN) can be selected separately for multiple test method compliance.

45 Degree Flammability Tester
45 Degree Automatic Flammability Tester M015

To determine textile damaged area and length at 45 degree condition and the times of touching flame when textile is melted to specified length after heated at 45 degree condition. Stainless steel test cabinet with glass observation panel provided with automatic timing of flame spread in 0.1 second increments from ignition. Automatic or manual flame impingement for 1,5 or 20 seconds.

Water vapor transmission rate tester
Water Vapour Permeability Tester M029

To determine water vapor permeability (waterproofing and moisture-penetration performances) for various fabrics (including moisture permeable coated fabrics) and Non-woven fabric for garment usage including bat wool, space cotton, etc.

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Fabric comfort basic performance test

2019-04-09

Comfort is the basic performance of clothing fabric, which is mainly manifested as air permeability, moisture permeability and friction performance. The improvement of both performance can greatly improve the comfort of fabric.

Clothing fabric is in direct contact with skin, and the effect of their interaction determines the comfort of fabric materials.The normal metabolism of the skin is reflected in two aspects: respiration and sweat excretion.

Comfortable clothing fabrics, in addition to excellent air permeability and moisture permeability to meet the human body's normal metabolism, should also show a smooth touch, reduce the skin damage caused by friction.

1. air permeability and moisture permeability

Normally, the human skin breathes through the cuticle, the hair follicle, the sebaceous glands, and the mouth of the sweat tube to exchange air with the outside world.When the body is in motion, a rise in body temperature causes sweat glands to secrete sweat to dissipate heat.After covering the fabric, it will obstruct the respiration of the skin and the evaporation of sweat to a certain extent, thus leading to a feeling of sulking. The degree of discomfort mainly depends on the breathability and moisture permeability of the fabric.The breathability of the fabric refers to the ability of air to pass through the fabric material. The breathability reflects the capability of sweat air sent out by the human body to pass through the fabric. The good breathability and moisture permeability maintains the normal gas exchange of the skin surface and the smooth discharge of body heat, so as to avoid sweat accumulation or condensation discomfort between the clothes and the skin.

The comfort of clothing fabric is not only reflected in good air permeability and moisture permeability, but also in the tactility of the fabric.Smooth, rough, waxy and smooth are the basic tactile sensation of the fabric, and the friction between the fabric and the skin is the leading factor leading to the different tactile sensation.If fabric surface does not have proper friction coefficient, light human body feels coarse, have attrition feeling, heavy can stimulate the skin to cause a variety of diseases badly, this kind of phenomenon is highlighted more in motion.The friction of the fabric not only affects the tactility but also hinders the sewing process.During sewing, sliding friction often occurs between the fabric and the instrument metal. If the friction coefficient is too large, it will cause sliding difficulty and affect sewing efficiency.

D02 Friction tester

2. fabric friction coefficient

The evaluation of fabric friction coefficient is usually based on the personal sense after touch.Sensory sensitivity varies from person to person, making evaluation somewhat subjective.In the modern environment that stresses scientific data, this subjective evaluation is gradually replaced by instrument testing.Research between fabric and the skin friction coefficient, due to the particularity of the skin, sample test is difficult to implement, therefore, the author USES a relatively simple way of test instrument, namely, under the certain condition of positive pressure and friction speed, smooth fabric surface with a rigid surface rubbing against each other, the determination of dynamic and static coefficient of friction, this value as the fabric and the skin friction performance of reference data.

Take a polyester fabric and cut 3 pieces of warp and weft samples, the size is 200mm 80mm, to ensure that it has no crease, arch, hemming and other defects.According to the principle stipulated in FZ/ t01054-2012 "test methods for fabric surface friction properties", the sample is clamped flat on the sample table of the mxd-02 friction coefficient meter, with the test face up, so that the sample is in a state of elongation but not elongation.The rigid and smooth friction block is opposite to the test surface of the sample and applied with 450Pa vertical pressure.The relative friction coefficient of the instrument was set at a speed of 50mm/min, and the measured dynamic and static friction coefficients were 0.182 in the longitude direction and 0.179 in the latitude direction.

The friction property of the fabric surface is proportional to the roughness of the surface, and the roughness is related to many factors, such as fiber fineness, length, crimp, yarn structure, fabric state, tightness, processing technology, etc.The coarser the fiber, the higher the crimp and the higher the compactness, the rougher the surface of the fabric will be due to the processes such as raising, drawing and shrinking.In addition, different relative humidity states of the fabric will also show different friction properties. When the fabric is in an environment higher than 40%RH, water molecules will form a continuous water film on the surface of the fabric, thus generating hydraulic friction and increasing the friction coefficient of the fabric.

BS 4655 Friction tester


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