长期以来,组培瓶封口都是使用棉花裹牛皮纸等作塞,制作费工也容易污染,还存在遮光多的缺点,最近,我们与北京塑料包装制品厂合作,试制成功由塑料薄膜和合成通气材料复合贴压而成封口纸。用薄膜纸封口后,遮光少,通气性能良好,在高温来菌后和瓶口形成相应的 For a long time, tissue culture bottle closures are made of cotton wrapped kraft paper for plug, the production costs are also easy to pollution, there are still many shortcomings of light, and recently, we and Beijing Plastic Packaging Products Factory cooperation, the successful trial by the plastic film and synthetic ventilation Materials composite pressure seal made of sealing paper. After sealing with film paper, less shading, good aeration performance, the bacteria in the high temperature and the bottle to form the corresponding