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Whirl-Pak長(zhǎng)期保存樣品袋 18-oz. Whirl-Pak? Long-Term Sample Retention Bags 的詳細(xì)介紹
特殊設(shè)計(jì)可使樣品保存長(zhǎng)達(dá)2年以上時(shí)間，表面附書寫區(qū)，方便記錄各項(xiàng)采樣信息。適合于液體樣品采樣，密封性極好，能折疊三次。最高使用溫度達(dá)82°C ，可以在任何低溫下使用，甚至液氮環(huán)境。所有產(chǎn)品都經(jīng)過(guò)嚴(yán)格的滅菌處理，請(qǐng)放心使用。
18 oz. (532 ml) capacity
4-1/2" W x 9" L (11.5 x 23 cm)
2.5 mil (.064 mm) thick
Barrier film
Box of 500
For long-term storage (up to two years), the Whirl-Pak? Retain Bag will protect the sample and save money and space.
? Made from a barrier film of polyethylene and polyester
? Has extremely low permeability for oxygen and moisture
The result is that sample integrity will be maintained during storage for both liquids and solids. These bags are sterilized with radiation, because gas sterilization will not penetrate this film. If a sample is going to be tested periodically, closing the bag in the regular manner will be sufficient. However, if the bag will be kept closed for an extended period, then a heat sealer can be used to give the bag a permanent seal.
Capacity is measured in fluid ounces when the bag is closed and tab is folded over three times. Volume and dimensions are approximate; bags should not be used at temperatures above 180° F (82° C). Bags can be frozen to any temperature, even liquid nitrogen – careful handling required after freezing. All bags are sterilized after manufacturing.
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