SLD-01 Tissue Tear Testing Machine

The SLD-01 tear testing machine, named in honor of its creator, Armin Elmendorf, holds a significant role in the examination of tear resistance. The Elmendorf test determines the average force required in grams or millinewtons (mN) to tear a material sample after the tear initiation. In the test procedure, one or more sheets are torn through a fixed distance using a pendulum mechanism, with the energy expended during tearing precisely quantified through the pendulum’s potential energy loss.

Tear Testing Machine Application

Paper tear resistance represents a pivotal mechanical parameter for evaluating materials, providing a metric for their ability to withstand the forces of tearing. Tear resistance, also recognized as tear strength, serves as a valuable engineering measurement, assessed using a variety of testing methods.

The use of a tear testing device is essential for accurately gauging material tear resistance, making it a fundamental tool in quality control and product development across diverse industries. This versatile testing apparatus conforms to the highest standards and guidelines, ensuring the reliability of tear resistance measurements.

Tear Testing Machine Test Process

A cutting knife in the tester is used to create a slit in the paper sample which ends 43mm from the far edge of the sample. Acting by gravity, the pendulum is released to propagate the slit through the remaining 43mm. The energy loss by the pendulum is used to calculate an average tearing force.

Tear Testing Machine Technical Features

It’s a PLC controlled unit (industrial level stable) and HMI touch screen operated. All parts are strictly standard conformed. With our precision in design, we equipment checking weight that can be used to calibration different test range.

For paper users, we can add units of mN and tear index parameters.

1. 1. PLC technology and human-machine interface.
   2. Wide test range for different materials
   3. Pneumatic specimen clamping
   4. Pendulum automatic release
   5. Data auto statistics, storage
   6. RS 232 port and professional software(optional)
   7. Microprinter

Tear Testing Machine Key Data

• • Pendulum Capacity(gf)   200,400,800,1600,3200,6400
  • Gas Source   0.6 MPa
  • Tearing Arm   104±1mm
  • Tearing Initial Angle   27.5 ±0.5°
  • Power   AC110~220V 50/60Hz