Color Change for Long Period
The color of metal zipper will change in a long period because of the oxidation of brass alloywhich is one of the features of the brass.There fore,you should not keep the zipper for a long period.And if so, you should keep it in a well-ventilated and dry place and avoid using rubber ring.
Color Change After Washing
To avoid color change and corrosion caused by any type of cleaning, you should choose suitable zipper for different washing and the using of cleaners.After washing,you should clean a the acid and alkaline substance.But before washing,please make a test to ensure the safety.
Damage Caused by Washing
To avoid the zipper damaged by hitching or abrasion when washing.youshould close the zipper,and if possible,please fix the zipper.For the painted slider.you should cover it with a piece of cloth before washing to avoid theremoval of paint caused by any abrastion.
Nickel Allergy
Some people may be allergic when contact the nickel or nickel-plating zipper directly a silver-color metal zipper.please choose the Alumminum zipper. The copper & Nickel-free zipper or nickel-free plated zipper contains a little amount of nickel,we can’t remove all the nickel from such zippers.
Chemical Reaction
When using the metalzipper on some leather products,the chenmical Substances in the leather may cause chemical Substances in the leather may cause chemical reaction with the zipper teeth resulting in color so,before using on the leather,specification and complete test is required.
Lroning Processing
1、 To have a smoother operation,the zipper teeth arealways Processed with wax.To avoid possible dissolution of the wax.you need to use of paperor cloth to separate the teeth and the iron.
2、 Because the nylon and plastic teeth will be melted if they contact the iron directly at over 120.Please pay attention to the temperature and contact time when ironing.
Sewing
1、 When pulling the iron.it may catch the cloth.Therefore,
Make sure that the slider passage is wide enough to allow the sider pass smoothly
2、 When sewing,the needle should avoid the hard part of the zipper,otherwise,it may break and cause a serious consequences..
Special Products
1、 When using zippers for baby products do not use the coarse metal zipper o the nylon or plastic zipper with a ametal slider . You should choose nylon or plastic zippers and make sure that the slider is strong enough.
2、When applying a zipper passing a needle detector,specification and complete test is required. |
