Softening Point Ring and Ball Point Apparatus, Semi Automatic
NL 2012 X / 004

Standard: EN 1427, ASTM D36, AASHTO T53

Softening Point Ring and Ball Point Apparatus, Semi-Automatic

The Softening Point Ring and Ball Point Apparatus are utilized for evaluating the softening properties of substances such as bitumen, polymers, and waxes which is an essential tool in materials testing. The Softening Point Ring & Ball Point Apparatus is vital in industries like construction and road paving, where understanding material behavior under heat is key for durability. Its semi-automatic version automates heating and temperature control, boosting efficiency and reducing human error. The "ring and ball" method involves heating a sample until a steel ball sinks to a set depth, indicating the softening point. Semi-automation ensures precise results and enhances lab efficiency.

Features of Softening Point Ring and Ball Point Apparatus, Semi-Automatic

• Real-time display for temperature & time.
• Applicable for water and glycerol liquid.
• Adjustable speed magnetic stirrer for uniform temperature control.
• Auto Display average test result.
• Using PID control or linear temperature rise.
• Using high-quality temperature probe.

Standard: EN 1427, ASTM D36, AASHTO T53

• EN 1427

This European standard sets out guidelines and procedures for determining the softening point of bituminous materials using the ring and ball apparatus, making it indispensable for quality assurance and performance evaluation in construction and road paving applications. 

• ASTM D36

This standard is published by ASTM International which outlines the procedure for conducting softening point tests on bituminous materials using the ring and ball apparatus. Like its European counterpart, EN 1427, ASTM D36 lays down the protocols and conditions essential for obtaining dependable softening point measurements. Its widely used in the United States and compliance in countries worldwide adhering to ASTM guidelines highlight its importance in upholding material quality and consistency across construction and infrastructure sectors. 

• AASHTO T53

AASHTO T53, formulated by the American Association of State Highway and Transportation Officials (AASHTO), serves as the primary benchmark for determining the softening point of bituminous materials using the ring and ball apparatus. Widely utilized throughout the United States, this standard is indispensable for evaluating the quality and performance of bituminous materials essential for highway and transportation infrastructure projects. AASHTO T53 delineates the precise testing procedures and specifications necessary to achieve accurate softening point measurements, thereby upholding consistency and reliability in material evaluations critical for ensuring infrastructure durability and longevity.

Test Procedure

1. Apparatus Preparation: Clean the apparatus and calibrate it in accordance with the manufacturer;'s instructions. Check all the components, including the ring, balls, thermometer, heating source, and temperature control system, are in good condition and properly installed. 
2. Preparation of Sample: Bituminous samples should be prepared according to the specifications of the relevant testing standard ((e.g., EN 1427, ASTM D36, AASHTO T53). This may involve heating the sample to a specified temperature to achieve homogeneity and then pouring it into the ring-shaped container.
3. Assembly: The ring-shaped container containing the bituminous sample should be placed onto the heating platform of the apparatus. Ensure the steel ball of the specified diameter is positioned centrally above the sample. 
4. Heating: The heating process will be initiated using the semi-automatic heating system. The apparatus should gradually increase the temperature at a controlled rate according to the testing standard requirements. The rising of temperature should be smooth and consistent to prevent sudden temperature fluctuations that may affect the test results. 
5. Observation: The sample should be monitored closely during the heating process. Observe the bituminous material through the observation window or opening the apparatus. As the temperature increases, the bitumen will soften, and the steel ball will gradually sink into the sample. 
6. Softening Point Determination: The temperature should be recorded at which the steel ball touches the surface of the sample and the temperature at which it penetrates the desired depth, as per the testing standard. The temperature at which the ball sinks to the specified depth is considered the softening point of the bituminous material. 
7. Cooling and Cleanup: After obtaining the softening point measurement, allow the sample and apparatus to cool down gradually. Once cooled, remove the sample from the ring-shaped container, clean the apparatus thoroughly, and prepare it for the next test.
8. Data Analysis: Analyse the test results and make a comparison against the specified requirements or standards to assess the quality and suitability of the bituminous material for its intended application. 

Technical Specifications:

Unit Consist Of: