damoguyan
第2楼2012/07/05
标准没写的明确,见下,全迁移就写了盖子,垫片,塞子的表达方法。
Article 17
Expression of migration test results
1. To check the compliance, the specific migration values shall
be expressed in mg/kg applying the real surface to volume ratio
in actual or foreseen use.
2. By derogation from paragraph 1 for:
(a) containers and other articles, containing or intended to con
tain, less than 500 millilitres or grams or more than 10 litres,
(b) materials and articles for which, due to their form it is
impracticable to estimate the relationship between the sur
face area of such materials or articles and the quantity of food
in contact therewith,
(c) sheets and films that are not yet in contact with food,
(d) sheets and films containing less than 500 millilitres or grams
or more than 10 litres,
the value of migration shall be expressed in mg/kg applying a sur
face to volume ratio of 6 dm2
per kg of food.
This paragraph does not apply to plastic materials and articles
intended to be brought into contact with or already in contact
with food for infants and young children, as defined by Directives
2006/141/EC and 2006/125/EC.
3. By derogation from paragraph 1, for caps, gaskets, stoppers
and similar sealing articles the specific migration value shall be
expressed in:
(a) mg/kg using the actual content of the container for which the
closure is intended or in mg/dm2
applying the total contact
surface of sealing article and sealed container if the intended
use of the article is known, while taking into account the pro
visions of paragraph 2;
(b) mg/article if the intended use of the article is unknown.
4. For caps, gaskets, stoppers and similar sealing articles the
overall migration value shall be expressed in:
(a) mg/dm2
applying the total contact surface of sealing article
and sealed container if the intended use of the article is
known;
(b) mg/article if the intended use of the article is unknown.