塑料袋菌包经常因厂家吹膜(热合封底)或工人操作不慎而造成微孔,导致透气污染培养料;也常因棉塞受潮导致污染培养料。我厂从一九八八年以来采用“袋表挂灰浆”和“棉塞喷灰粉”的方法,制菌成品率均达97％以上,控制外污染达99.5％。此方 Plastic bags often because of the factory blown film (heat sealing back) or workers inadvertently caused by micro-pores, leading to air pollution culture materials; often due to damp cotton tampons lead to contamination of culture materials. Since 1988, our factory has adopted the method of “Bag-linked Hanging Mortar” and “Cotton-plugged Powder”, the finished product rate of bacteria reaches over 97% and the pollution outside the control reaches 99.5%. This side