How much do you know about the stretching laws of stretched films? Stretch film is oriented at a certain temperature, usually above the glass transition temperature of the polymer, below the melting point of the polymer thick film or sheet…
Causes and solutions of poor stretch ability of stretched film Stretch film must have high puncture resistance, good shrinkage and certain shrinkage stress. During the shrinking process, the film cannot create holes. Since shrink film is often used outdoors, it…
Choosing a good stretch film manufacturer as a long-term supplier is to reduce unnecessary troubles in our future work. If the quality of this stretch film manufacturer’s production often goes wrong, it will not only blame it, but also affect…
RoHS指令2011/65/EU附录II的修正指令(EU) …
RoHS Directive (EU) 2015/863 amending Annex II to Directive 2011 Test Method :. With reference to IEC 62321-4:2013+AMD1:2017, IEC62321-5:2013, IEC62321-7-2:2017, IEC 62321-6:2015 and IEC62321-8:2017, analyzed by ICP-OES, UV-Vis and GC-MS. Test Item(s). Cadmium (Cd). Lead (Pb). Mercury (Hg). Hexavalent Chromium…
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