Conducting tests at low temperatures enables the assessment of crystallization effects and the comparison of viscoelastic properties of rubber and rubber-like materials in cold conditions. Tests such as Temperature Retraction and Brittleness Point are invaluable for selecting materials suitable for service in low-temperature environments.

The Design of Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber

The design of the Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber allows for the integration of setups for Temperature Retraction (TR) and Brittleness Point tests. This design encompasses essential components required for conducting tests at low temperatures:

Why Choose Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber?

Overview:

The Design of Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber

A 5-liter stainless steel bath designed for cooling liquids
Heat exchangers to facilitate bath cooling and thermal regulation for bath heating
A temperature controller offering a high resolution of 0.1°C
A stirrer for homogenizing the bath's contents
An electronic card for comprehensive control and a USB port for seamless PC connectivity
Safety features including an independent controller to prevent bath overheating, a thermal switch, and a safety pushbutton.

Choose the Excellence of Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Testing Opting for low-temperature testing provides an avenue to comprehensively analyze the behavior of rubber and similar materials under cold conditions. With the specialized design and robust features of our Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber, you can confidently evaluate material performance and make informed choices for applications demanding resilience in low-temperature settings.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Overview

Cooling System

Offers two options for bath cooling devices:

Nitrogen tank
Refrigeration unit.

The cooling regulation is automatically managed by the instrument based on the temperature parameters set for the specific test procedure in use.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Main Cooling System

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Key Features

The instrument has been specially designed to streamline test execution, minimize operator impact on results, and ensure full compliance with safety regulations.

The most significant features include:

Automatic temperature adjustment based on the selected test procedure
Configuration options for conducting TEMPERATURE RETRACTION (TR) and/or BRITTLENESS POINT tests
Hands-free execution of the complete test cycle in accordance with international standards
Automatic capturing of retraction curves
Storage of curves and numerical outcomes in the standard SQL database
Configurable cooling methods: liquid nitrogen tank and refrigeration unit
CE labeling

Test Temperature Retraction (TR) Test

Setting up the Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber The setup for the Temperature Retraction (TR) test includes:

Sample holder designed for conducting tests on 6 samples simultaneously
Pneumatic lifting system facilitating easy handling of the sample holder
Software based on the Windows platform for executing the TR test

The Sample Holder enables:

Simultaneous testing of 6 samples.
Automated measurement of retraction for each sample with a resolution of 0.02 mm.
Locking of sample positions in the extended state during test preparation.
Automatic release of test samples upon completion of the conditioning period.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Temperature

Temperature Retraction (TR) Test Software The software allows you to:

Choose the Test Procedure, which automatically configures the instruments
Input sample identifications (up to 3 products)
Cool and condition the samples
Initiate the test
Generate Retraction Curves for each sample
Compute test results and statistical data
Verify tolerance limits for each product
Archive results and curves in the standard SQL Database

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber TR

Test Report:

The test report can be printed or saved as a PDF document in one of the provided languages. Users also have the ability to customize the format of the test report according to their preferences.

Brittleness Point Test

Setting Up the Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber The setup for the Brittleness Point test includes:

Pneumatically operated striker
Sample holder designed for conducting tests on 10 samples simultaneously
Software based on Windows platform for Brittleness Point test execution
Datagest software for managing the database.

The striker adheres to international standards, and the clearance can be adjusted based on the specific test requirements (4.8, 5.2, 5.7, 6.4 mm). A pneumatic piston propels the striker, allowing tests to be conducted while the samples are immersed in the cooling liquid. A pressure regulator enables the striker's velocity to be fine-tuned in accordance with standards, accounting for the number of samples and the density of the cooling liquid being utilized. The software enables the preparation and storage of test procedures featuring customized test conditions.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Test Report Instrument Setup

Brittleness Point Software

The Brittleness Point Software enables you to:

Choose the Test Procedure, which automatically configures the instrument
Cool and condition the samples
Trigger the striker at the conclusion of the sample conditioning period
Capture the temperature and striker velocity data
Permit the user to input test results post-visual inspection
Ready the instrument for subsequent tests
Compute and store the Brittleness Point Temperature

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Point Software

Brittleness Point Test Report:

The test report for the Brittleness Point Test can be either printed or saved as a PDF in one of the available languages. Users also have the ability to customize the format of the test report according to their preferences.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber - Brittleness Report.png

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Data Management

Datagest Software:

Comprehensive Traceability The Datagest software serves as the Database Management Tool, consistently included in tandem with all instrument-control programs.

This software allows you to:

Choose, filter, print, export, and analyze the stored test results from all connected instruments.
Create test procedures by outlining the test conditions and the desired resulting data.
Define tolerance limits for each product through manual input or by leveraging statistical analysis (mean and standard deviation) of saved results.
Generate multi-instrument test reports.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber Datagest

Standard SQL Database

All programs utilize a SQL-structured database for result storage. The database can be installed within an SQL instance on the company server or on a PC connected to a measuring instrument. Installation of the Microsoft SQL service (Express version) is included with delivery.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber - Brittleness Report SQL

Industry 4.0 Integration

The Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber and software have been meticulously designed to facilitate seamless integration with various environments. The SQL-formatted database and the Company_Connect program enable you to synchronize your company management software with the database, enhancing the efficiency of test identification. This integration also supports the utilization of barcode readers or similar devices to expedite processes.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber - Brittleness Report Industry Integration

Calibration & Accessories

Standard Calibration Service for Low Temperature Check Our calibration service adheres to the requirements set forth by ISO 2921 and ISO 812 standards, ensuring the utmost accuracy and reliability.

This comprehensive service encompasses:

Routine maintenance of the instrument
Calibration of cooling bath temperature at 4 key points (0, -5, -35, -70°C)
Precise calibration of the cooling bath's heating rate (gradient) • Calibration of the time measurement device
Calibration of the displacement across 6 extensometers for the TR Test (at 50, 70, and 100 mm intervals)
Verification of pre-load force applied to the extensometers
Calibration of striker velocity
Calibration of the distance between the striker's nose for the Brittleness Point test and the sample holder
Issuance and email dispatch of the Calibration Certificate, complete with traceability to primary standards.

Sample Preparation Cutters

Die cutters are designed in accordance with international standards to facilitate the preparation of samples for the TR-Test and Brittleness Point Test. These cutters come complete with a dimensional calibration report.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber - Brittleness Report Sample Cutters

Templates for Various TR Test Samples

These templates provide the flexibility to adjust the reference distance of the specimen holder support, enabling the use of diverse specimen types as mandated by ASTM D1329 and ISO 2921 standards.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber - Brittleness TR Sample

Installation Hardware Prerequisites

The programs are compatible with standard PCs running WINDOWS 10 or 11 operating systems.
The connection between the instruments and the PC is established using the USB cable provided with the instrument.
These programs seamlessly integrate with antivirus software and other applications installed on the PC.

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber - Brittleness Hardware

Safety Features

The Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber is outfitted with:

A safety sensor that automatically halts heating at room temperature
A safety push-button
CE labeling

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber - Brittleness CE Label

Reference Standards

STANDARDS THE AUTOMATIC TR TESTER - BRITTLENESS POINT TESTER FOR TEMPERATURE RETRACTION AND BRITTLENESS OF RUBBER COMPLIES WITH:

ASTM D1414; ASTM D1329; ASTM D2137; ASTM D746; ISO 974; ISO 812; ISO 2921; FIAT 50416; FIAT 50419;

Test Temperature

COOLING SYSTEMS

With a Refrigeration unit or
With a Liquid nitrogen tank

TEST TEMPERATURE

-120 ÷ +20 °C (with liquid nitrogen tank)
-70 ÷ +20 °C (with refrigeration unit)

TEMPERATURE CONTROL

The regulation of the temperature is performed automatically by the instrument according to the temperature set in the selected test Procedure.
The regulation is made by means of thermo-regulator with PID microprocessor with 0.1 °C accuracy

CONNECTION TO LIQUID NITROGEN TANK

The instrument can be connected to a standard nitrogen tank via the connection tube supplied. The connection connector is DIN 2353 type, 8L ¼ inch.

REFIGERATION UNIT

Technical characteristics:
- Cooling bath capacity: 9 l
- Liquid to be used: ethanol
- Overall dimensions (WxDXH): 55x60x92 cm
- Power supply: 220 VAC, 50/60 Hz, single phase

Temperature Retraction (TR) Test

SAMPLE HOLDERS FOR TR TEST

Permits to test 6 samples at the same time
Resolution for retraction reading: 0.02 mm

SOFTWARE FOR TR TEST

The program TR-test, compatible with Windows 7, 8 and 10, controls the complete test sequence and permits to save test results and retraction curves in the standard SQL database

NUMERICAL TEST DATA - TR TEST

TR-Test: TR10, TR30, TR50, TR70, TRx (x customer defined) Time at set TR.

GRAPHIC REPRESENTATION AND PRINTOUT

Curves of % Retraction vs. Temperature for each sample. Temperature vs Time

LIFTING SYSTEM

Pneumatic system for lifting sample holder for TR-Test.

Brittleness Point Test

SAMPLE HOLDERS FOR BRITTLENESS POINT

Sample holder for 10 samples.

SOFTWARE FOR BRITTLENESS POINT TEST

The program Brittleness-test, compatible with Windows 10, controls the complete test sequence and permits to save temperature retraction temperature in the standard SQL database

TEST RESULTS STORED - BRITTLENESS POINT

Test temperature, Striker Speed, Result of visual inspection (passed - failed)

SPEED OF STRIKER FOR BRITTLENESS POINT TEST

Pressure regulator for pneumatic piston Striker with automatic or manual start-up

GAP BETWEEN STRIKER AND SAMPLE HOLDER

Can be set to: 4,8 5,2 5,7 6,4 mm

Construction Characteristics

TEST CHAMBER

Test chamber capacity of 5 litres; Stainless steel chamber equipped with mixer to ensure the temperature of the test bath is uniform (ethyl alcohol - silicon oil).

WEIGHT

120 Kg

POWER SUPPLY

220 VAC,50/60 Hz, single phase (110 VAC, 60 Hz on request)

ELECTRICAL POWER

750 Watt

COMPRESSED AIR

Min 6 bar. An air treatment unit (cleaning and lubrication) is included.

INSTRUMENT DIMENSIONS (Width x Depth x Height)

700 x 710 x 1500 mm

Safety Devices

SAFETY DEVICES

Safety Pushbutton
Safety temperature limit switch
CE labeling

LABELLING

CE Labelling

Calibration

CALIBRATION REPORT

Calibration report with traceability to primary standards in conformity with the Calibration requirements specified in ISO 2921 and ISO 812 standards.

CALIBRATED PARAMETERS

Temperature of the bath (0, -5, -35, -70°C)
Heating speed of the cooling bath
Test Time
Displacement and pre-load of the 6 extensometers for TR Test
Speed of the striker for Brittleness Point
Distance between striker and sample holder

Personal Computer (optional)

MINIMUM CONFIGURATION

Intel Core i3 2 GB RAM

COMPATIBLE OPERATING SYSTEMS

Windows 10

CONNECTION TO THE INSTRUMENT

USB port

SOFTWARE USAGE LANGUAGES

Italian, English, French, Spanish, German, Portuguese, Russian, Chinese, Japanese, Turkish, Polish, Czech

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber

Automatic TR Tester – Brittleness Point Tester for Temperature Retraction and Brittleness of Rubber