The softening point test of bitumen is a widely used method to determine the temperature at which bituminous materials soften under specific conditions. Using the Ring and Ball Apparatus, this test identifies the softening point within a temperature range of 30°C to 157°C (86°F to 315°F).

Depending on the required test temperature, the apparatus can be immersed in:
• Distilled water: 30°C to 80°C
• USP glycerine: above 80°C to 157°C
• Ethylene glycol: 30°C to 110°C

This test is essential for evaluating bitumen consistency, thermal behavior, and performance in paving, roofing, and industrial applications.

LT/RB-217000-B/M – Ring and Ball Apparatus (ASTM D36 Standard)

A high-quality Ring and Ball Apparatus designed for accurate determination of the softening point of bitumen:
• Pyrex® jar: 85 mm diameter × 130 mm height.
• Two-place brass cage, adjustable in height for test flexibility.
• Two hardened steel balls: 9.5 mm diameter.
• Two brass rings with collar for precise centering of balls.
• Heating device unit with motor stirrer for uniform heating.
• Power supply: 220 Vac, 50/60 Hz.

This apparatus ensures repeatable and reliable results in compliance with ASTM D36, making it a trusted choice for laboratories and quality control testing of bituminous materials.