Ring and Ball Apparatus, Automatic (Softening Point)
Automatic softening point apparatus with programmable heating rate and optical ball detection.
Typical applications
- Softening point of bitumen, modified binders and coal tar pitch
Conforms to
- IS 1205 : 2022—Determination of softening point
- ASTM D36—Softening Point of Bitumen (Ring-and-Ball Apparatus)
- EN 1427—Bitumen and bituminous binders — Determination of the softening point — Ring and Ball method
- AASHTO T53—Softening Point of Bitumen
- IP 58—Bitumen and bituminous binders — Determination of softening point — Ring and ball method
Add to enquiry
Add as many products as you need and send one enquiry covering all of them, or send this item on its own. Bulk and drum quantities are quoted on request.
Worth knowing before you order
A note on the EN citation. BSI withdrew BS EN 1427:2015 in May 2026 on republication, and the successor edition number is not yet published anywhere we can check, so the method is cited undated above rather than pinned to an edition that has lapsed. The test itself is unchanged. IS 1205 and EN 1427 are both ring-and-ball methods but BIS records IS 1205 as an indigenous standard rather than an adoption of EN 1427, so do not treat a result reported under one as automatically satisfying the other.Specification
| Heating rate | 5 °C/min ± 0.5 °C/min, programmable, as IS 1205 requires |
|---|---|
| Temperature resolution | 0.01 °C |
| Bath media | Water 25–80 °C; glycerine 80–157 °C |
| Detection | Optical — the apparatus detects and calculates the softening point itself |
| Bath uniformity | Magnetic stirrer, to hold an even temperature across both rings |
| Specimen handling | One-touch raise and lower of the ring assembly |
| Stored results | Last ten readings held in the controller |
| Output | Touch screen with USB data export |
Support available
- Installation & commissioning
- Calibration
- Operator training
- Annual maintenance contract
- Spares & consumables
Calibration is arranged through NABL-accredited laboratories under the relevant scope. We state the scope and the certificate number on the quotation — see what accreditation actually covers.
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