Advanced Digital Hardness Testing Equipment for Plastic Material Assessment

Product Description

Product Description Plastic ball indentation hardness tester QYS-96B
The instrument can be used to test the hardness of materials in automotive engineering plastics, plastic building materials and other industries, and can process and print the data. The machine adopts color touch screen technology, which makes the operation simpler, more intuitive and the more beautiful.This is our patented product.It's mainly composed of host machine,indenter,loading device,deformation acquisition system micro-processing system and etc. Functional features Plastic hardness refers to the ability of a plastic material to resist being pressed into it by another rigid object that is considered to be non-elastic and non-plastic.
The plastic ball indentation hardness test is to use a steel ball of a specified diameter to vertically press into the surface of the sample under the action of the test load, and read the indentation depth value after a certain period of time. The hardness value can be obtained by calculation or table lookup.
1.Sample thickness is not less than 4mm, the adjustable range of loading speed is 2-7 seconds, usually 4-6seconds, the loading time is 30 seconds or 60 seconds;the load size is selected according to the hardness of the sample, high hardness can choose a larger load, otherwise, choose the smaller load.If the hardness of the sample can not be predicted, it must be gradually upgraded from a small load, so as not to damage the steel ball indenter and the sample;Generally, the test can be carried out as long as the load is selected according to the specified requirements of the sample.
2.Ball indentation hardness refers to the average pressure per unit area when a steel ball of specified diameter is vertically pressed into the surface of the specimen under the action of the test load and maintained for a certain period of time, expressed in Kgf/mm2 or N/mm2.
It's expression is:
H=0.21p/0.25πD(h-0.04)(kg/ mm2)
P―Load (kg)
h―Depth of indentation (mm)
D―Steel ball diameter(mm)
π―Pi
Note:h=h1-h2
h1:The pressed depth of the sample load(mm);
h2:Deformation of the instrument frame under the test load(mm) Product Parameters

The test load is divided into five levels	49N,132N,358N,612N,961N	Preload	9.8N
Steel ball indenter	Φ5mm,Φ10mm	Minimum scale division for indentation depth indicator	0.001mm
Maximum allowable height of sample	10mm	Distance from pressure head to machine wall	55mm
Distance from pressure head to base	25mm	Indication accuracy	±4%
Effective measuring range	0.150~0.350mm	Frame deformation	≤0.05mm

Certifications
Exhibition photos

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