| 摘要 |
Medium contains "Nassa" oil (RTM) and an insol. powder melting below the b.p. of the oil. Pref. is a mixture of "Nassa" oil pbw and "Amonal" (RTM) (DIN 8611/FSH) 2 pbw; the powder has a mean particle size of ca. 0.01 mm. The mixture can be used in the range-20 degrees C to ca 700 degrees C. the "Amonal" melting and both acting as coupler and preventing loss of the oil.
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