Sponge foam collapsible hardness tester

Whats/App: +86 156 1874 6768

Web: standard-groups.com

This machine is used to measure the indentation hardness of porous elastic materials. The polyurethane foam sample can be tested according to the national standard, and the compressive hardness of sponge, foam and other materials can be accurately measured. In addition, it can also be used to measure the specified compression hardness of the seat foam (such as backrest, seat cushion foam, etc.)， and accurately measure the compression hardness of each foam part of the seat.

Application

Measurement of tensile strength, tear strength, elongation at break, indentation hardness, and compressive stress of polyurethane foam plastics.

Standards

ISO 2439: Flexible cellular polymeric materials — Determination of hardness (indentation technique)

ISO 3386-1: Polymeric materials, cellular flexible — Determination of stress-strain characteristic in compression

ASTM D3574:Standard Test Methods for Flexible Cellular Materials-Slab, Bonded, and Molded Urethane Foams

Features

1. Automatic zero clearing: After receiving the test start instruction, the system automatically clears zero.

2. automatic return: after the sample is broken, it will automatically return to the initial position.

3. change the speed: The machine can change the test speed arbitrarily according to different samples.

4. indicating value verification: the system can achieve the accurate calibration of force value.

5. control method: According to the test needs can choose the test force, test speed, displacement and other test methods.

Technical Parameters

Technical Parameter	Specifications
Control mode	Touch screen control
Induction mode	Precision load element
Capacity	200kg
Unit switch	Kg, N, LB
Pressure plate	Diameter 200mm, bottom rounded R1mm
Lower platform	420×420mm, porosity diameter 6mm, spacing 20mm
Maximum stroke	75mm
Test speed	100±20mm/min
Drive power source	Servo motor
Transmission mode	Precision ball screw
Power supply	Single-phase, 220V, 50Hz/60Hz, 2.5A
Machine weight	160kg

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