Standard for medical high density polyethylene bags
[identification] (1) the infrared spectrum is suitable for this product. It should be applied to the micro thermal bromide wafer. The method should be determined by spectrophotometry (People's Republic of China Pharmacopoeia, 2000 edition, two parts, Appendix IV, C).(2) density take this product 2G, add water 100ml, return 2 hours, let cool, 80 degrees after 2 hours of drying, precisionWeigh (Wa). And then the suitable solvent (density d), precision rating (Ws).
Take this amount of goods, in each bottle filled with proper amount of glass ball, when the bottle (bottle, with screw cap with force wrench bottle and cap screwing torque, see Table 1), placed in the container with a suction device, water immersion, vacuum and vacuum degree of 27kPa, maintained for 2 minutes. The bottle may not have water or bubble phenomenon.
This standard applies to the high density polyethylene (HDPE) as the main raw material, using injection molding process produced by oral solid pharmaceutical plastic bottles.[appearance] take proper amount of this product and take a look at the light in the natural light. Should have uniform color, no obvious color difference. The bottle surface should be clean, smooth, no deformation and obvious scratches. There shall be no blisters, oil, bubble. The mouth of the bottle should be smooth and smooth.
