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For years inner our country may will cancel medic |
| Published：
2008-06-27 Read：2717 times |
Glass has transparency height , cuts off nature waiting by force other materia≈l incomparable good chemistry stability, use the package container that gla™ss makes to get rid of therefore broad apply to chemical reagent industry , medicine in£dustry apply to health-care food estate out . Healt→h-care food package has plastic , paper , glass , metΩal etc. , a great variety at present in the homeland. Glass ₽wastages market share take up medicines and chemical reag↕ents package''''''''''''''''''''''''''''''''s at present about. 10%, does not worth entire health-care food marketplace 1/3. Simu→ltaneous , make light of since having quality, price is cheap, a variety of "outstanding functions such as processing , printing a→ function well, plastic package has striven for the medical ampulla packing the marketplace part p>ortion in health care medicine. According to expert introduction , in the fie↑ld of health care medicine package, existence of our country compared with inte€rnational same kind product certain gap , the material quality being glass mainl<y. At present, medical glass uses a first rate to expect doing wrapping material already commonly εon the international , this Materials Physics function is∑ more stable, chemistry function being able to have an effect to pr♦otect medicines and chemical reagents and health-care food. ♦The joint venture and large-scale state-owned enterprise are a few but in our country , except a few besides using first rate material , most enterprise glass →package still expects that medical glass manufacturing↕ enterprises gives first place to the material producing grade B also still in using grade B. In← recent years, development of industry , medicines and chemical reagents increase by ou™tlet gradually because of our country medicine , the fo reign merchant attaches importance to health care medicine glass ma ss very , sometimes need especially to a few comparatively high price medi×cines and chemical reagents, vitreous inspect up a centre producing the utensil detecting ♣certificate. That the expert thinks that the cause producing this phenomenon÷ is main, is that the wrapping material promotion cannot keep abreast with, pa™rcel making a livelihood by tiny benefit material enterprise esteems vacancy to "input anβd output" " making an overall compose in reply for<esight.
The department concerned forecasts , our country has material to may cancel usage grade B within 5 years.
Though glass takes As203 , Sb203 as clear agent because of ÷whose comparatively proper characteristic property medicine average health-care food package, but r§eason glass, therefore in some glass contain As , Sb oxide. Especially PbO , CdO are able to be led into glass middle as the component sometimes,therefore the international× or the advanced country is standard, to glass As , Sb , Pd , the Cd be separated out, amounts have clear stipulation equally; Judg♠ing from glass products, have problem includes the glass product defect and outward appearance÷ mass at present. But use Er Yan glass to health-care ₩food , refer to the inner surface mainly be able to bear an ability in swimming.If 3γ.3 boron silicon glass prepares international neuter glass the iβnner surface is able to bear an ability in swimming being HCI without exception, but our₽ country neuter glass is HCI or HCB then; There exists a few problem in aδnother aspect , medical neuter of our country glass indeed , some may ✔appear to escape from movie if alkali metal separates amounts out comparat≠ively highly. Heavy metal problem is all common existence of international in the" homeland''''''''''''''''''''''''''''''''s , at present still, there is no the dosages re≠solving way more well , being able to only be metal by falling off ¶or use other matter replace solve. Judging from medical glass type, our country waits for↓ building medical glass of health care standardizing system u rgently. 1997 stipulates at present , between nations standard ISO12775 only som ewhat to medical glass available , has international neuter glass , three kinds£ borosilicate glass , soda-lime glass mainly.Among them, soda-lime glas s has not given clear indication of in being an international stand↑ard''''''''''''''''''''''''''''''''s turn medical, but in othe€r, amounting to 2 steps , being able to be medical in the international sta←ndard as long as regulation being able to bear an ability in swimmi•ng by that neuter-rization treatment joins 121 ~C. State ∞Drug Administration examines and approves but the glass by the fact that industry stipulat☆es four kinds in the standard in our country in 20 03 , our country neuter glass among them makes clear that the limit uses , prioritizesδ international neuter glass. Glass material quality should be in line with the internatio£nal conventions. From that glass material quality comes, glass material quality points to t÷he physics and chemistry function certainly mainly , the most important be↑ing points to but the chemistry stability.If international neuter glass and 3.3β boron silicon glass pellets law are water-proof may reach grade-1 equally. Our cou∑ntry neuter glass pellet follows water-proof majority but f÷or 1 step , some be 2 steps. If secondary microcosmic l'ooking at an alkali''''''''''''''''''''''''''''''''s sep₩arates amounts out , is that our country neuter glass is several times bigger than international ne uter glass. The expert emphasizes specially , soda-lime glass also haλs after neuter-rization treatment to material quality a request. In the internati¶onal standard, require that 121 ~C better than being able to bear or equal to grade-2 , neuter-riza<tion treatment of not all soda-lime glass classics are without exception available do→ing the package container.
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