BGD 523/S Turnable Abrasion Tester is applicable to determine abrasion resistance performance of various coatings. It is also used to determine abrasion resistance of paper, plastic, textile fabric, decorations, etc.
Two abrasive rubber wheels are mounted to pivoting arms and pressed onto the coating of the rotating test specimen applying the agreed test load. The eccentric arrangement of the axes of the abrasive wheels relative to the axis of rotation causes a crosswise abrasive wear in a ring-shaped zone(the area is about 30 sq.cm). The loss of mass of the coating caused by abrasive wear after the agreed number of cycles is determined.
The degree of abrasion for the specimen also depends on the load force(500g,750g or 1000g on each arm)being acted onto the axial of the 2 arms,which has a load pressure of 250g
It confirms to DIN 52347 53109 53754 53799
ISO 5470, 9352, 3573, 4586-2,7784-2
ASTM C217, D1044, D3389,D4060,D5342
Feature
◆ Operate and display all parameters by a color touch screen,more visual,simple and convenient.
◆ Changeable working platform for wood abrasion(The test panels max.thickness can be up to 25mm)
◆ Can select many different sorts abrasion medium for different tests
◆ Specimen turntable speed control options of both 60 rpm and 72 rpm.
◆ LCD display for accurate and convenient setting and monitoring to the whole test.
◆ Three different precise stainless steel weights(500g, 750g, 1000g)ensure the different requirements for different loads.Weights are marked to show total load on each wheel. This marking includes the weight of the abrading arm (250 grams)
◆ Abrading arms and fixing sleeve of abrading wheel hav been calibrated and balanced before leaving factory.
◆ A vacuum system is included and equipped with cleaner to move the loose abrading’s or any dirt
◆ A precision vacuum nozzle adjustment control allows the height to be modified for accommodating varying specimen thickness.
◆ A Quick Release Mounting Hub permits quick wheel mounting without the need of a locking nut.
◆ The cleaner is powered by abrasion tester, stopping test means stopping cleaner
◆ Equipped with S-11 Resurfacing medium disc from Taber company
◆ Equipped with a pair of standard abrasive rubber wheel CS-10 or CS-17 from Taber company
BGD 746 Super High Speed Dispersing Machine integrates super high-speed dispersion, stirring and automatic control of lift distance. It can meet the application requirements of customers for super high-speed dispersion and homogeneous emulsification, with the excellent dispersion and emulsification effects, as well as high dispersing efficiency. In addition, this machine is operated by a large-size touch screen, which is powerful, convenient and practical.
Features
◆ Super high-speed motor: The max. speed can reach 20,000 r/min. Bigger torque, lower noise and lower power consumption.
◆ The max. lift distance can reach 300mm. Servo system for locating can precisely feedback the height information in real time.
◆ Dispersing blade can be set to stay at the required height, which is suited to different sizes of dispersing containers or different material levels. At the same time, the use safety can be improved.
◆ In the whole dispersing process, the dispersing blade can stir circularly between the set upper and lower limit. The lift distance and speed can also be set. Greatly improve the dispersion efficiency.
◆ With the 7-inch touch screen, the tip speed, torque ratio and the height of dispersing blade can be displayed in real time.
◆ Test parameters can be set, such as speed, run time, diameter, height, etc.
◆ Suitable for containers with the capacity of 0.5L-5L, and can meet more different test requirements.
A pendulum resting on a coating surface is set into oscillation and the time for the oscillation amplitude to decrease by an amount specified in this International Standard is measured. The shorter the damping time, the lower the hardness.
Two test procedures are considered in some detail, namely those of König and Persoz.(The Persoz and König methods differ by the period and amplitude of the oscillation. The Persoz test measures the time taken for the amplitude of oscillation to decrease from 12° to 4°; the König from 6° to 3°.)
The instruments embody the same principle — that the amplitude of oscillation of a pendulum touching a surface decreases more rapidly the softer the surface — but differ in respect of dimensions, period and amplitude of oscillation.
BGD 509/S Pendulum Hardness Tester is the newest product which can be used in accordance with the following National and International Standards: ISO 1522, ASTM D4366,BS 3900-E5,DIN 53157,NBN T22-105,NF T30-016.
It’s a simple to use instrument and can be supplied in one of three model types: Persoz, König, and Persoz and König combined