SCOURING WOOL BY COLD
NEW FREEZING PROCESS TO REMOVE GREASE Cleaning greasy wool of inferior quality by means of freezing is the latest process. Temperatures as low as 30 to 50 degrees below zero are used, and the grease on the wool, being congealed to a brittle state, is easily removed, along with a considerable quantity of the grass, burrs, chaff, tar, paint, and other impurities. It is claimed that the process reduces wool shrinkage by 50 per cent., rids the wool of 80 per cent, of the vegetable matter, 90 per cent, of earth impurities, and an average of 33 1-3 per cent, of the' natural grease of the wook
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Bibliographic details
Southland Times, Issue 23676, 26 November 1938, Page 19
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111SCOURING WOOL BY COLD Southland Times, Issue 23676, 26 November 1938, Page 19
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