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Bitumen Testing Equipment
Redwood Viscometer
The Redwood Viscometer is used to determine the viscosity of bituminous binders (cutback and liquid bitumen) and petroleum products by measuring the time taken for a fixed volume of the sample, maintained at a specified test temperature, to flow through a standard orifice under its own head. The result, expressed in Redwood seconds, is a widely used viscosity classification method, particularly in markets historically following British standards.
Specifications5 items
| Standard Conformity | IS 1448 (P44), BS 188 |
| Types | Redwood No. 1 (general) / Redwood No. 2 (viscous oils) |
| Orifice | Standard jet as per Redwood type |
| Heating | Water bath with thermostatic control |
| Application | Viscosity determination of bitumen/petroleum products |
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