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加拿大麦克劳（Macro）公司新近开发新型聚偏二氯乙烯（Pvde）涂布，打破传统涂布厚度254pm的局限，它的厚度为任意的，根据用户需要而定。Pvde树脂具有优良的阻氧性、防渗性。目前．只有EVOH可与之抗衡。然而Pvde耐潮湿强于对手．如当湿度为IOO％时，PVd，的透氧度为）．0001
The Canadian company Macro recently developed a new polyvinylidene chloride (Pvde) coating, breaking the traditional coating thickness 254pm limit, its thickness is arbitrary, according to user needs. Pvde resin has excellent oxygen barrier, impermeability. Currently. Only EVOH can compete with it. However Pvde is more resistant to moisture than the opponent. Such as when the humidity is IOO%, PVd, the oxygen permeability). 0001