CV. Andalan Prima Sejahtera

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Koehler K88011 Loss on Heat / Rolling Thin Film Oven
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Update Terakhir
31 Okt 2019
Negara Asal
United States
Pembelian Min
1 unit

Spesifikasi

Specification

Conforms to the Specifications of: ASTM D2872; AASHTO T240

Features

  • Conforms to the specifications of: ASTM D2872; AASHTO T240

Test Method

Determines the effect of heat and air on a moving film of asphalt to serve as an indicator of approximate change in properties during conventional hot-mixing. The results are reported in terms of the changes in selected properties such as viscosity, penetration and ductility brought about by the RTFO test, as evidenced by test data taken before and after the 75 minute oven cycle.

Description

Double-walled electrically heated convection oven for rolling thin film oven tests on asphalts. Incorporates all required features per ASTM specifications, including: door with double-pane viewing window; symmetrical top and bottom vents; air plenum; squirrel cage-type 1725rpm fan; digital indicating thermostat to control oven temperature at 163°C ±0.5°C; vertical circular carriage to mechanically rotate the samples at 15 ±0.2rpm; air jets to blow heated air into each sample bottle at its lowest point of travel; and a calibrated flowmeter to control air flow at 4000mL/min. An overtemperature cut-off circuit disconnects power to the unit in the event of control failure.

Electrical Requirements

120V 60Hz
240V 50Hz
240V 60Hz

Additional Accessories

  • K88000-1 Glass Sample Container
  • 250-000-13C ASTM 13C Thermometer
  • K88000-2 Cooling Rack

Alat Laboratorium Umum

Untuk keterangan lebih lanjut, silahkan download PDF ini :

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