The hardest part about responding to everyone’s testing questions is… so many don’t apply. Not only do many zipper consumers not understand the testing requirements of current zippers, but they’re all stuck in a mindset of nitpicking between the exact same things. All toothed zippers look and function the same/similarly.Read More…
Tag: astm
Explaining the Tensile Strength
The strongest zipper currently on the market is the largest SIZE coil zipper. Why? Because it is the most CONTINUOUS zipper. The coils have very small gaps between them unlike the puzzle piece zipper teeth of metal or plastic molded zippers. This is also why the Zipr Shift zipper isRead More…
It Scales…
I tell people “We can only make closures 4 mm small [height].” Partial Lies. …because I predicted my competitor’s actions. They would attack the height. But, I really like a ZS closure height of 6 mm because, per testing, that is a good optimization of size, tensile strength, waterRead More…
ASTM Member
Zipr Shift is an organizational member of ASTM International. Our Hopes: ASTM will test our closure to re-standardize D2061 We hope this process will take less than 5 years We hope it’s a meritocracy where the strongest closure will indeed win We already have certified data about theRead More…
Product Development- Preliminary Testing
I, Tésia Thomas, Founder of Zipr Shift LLC and Inventor of the Zipr Shift zipper will not fool you into believing and desiring a technology that doesn’t exist, function, or otherwise. I am fully transparent about the development of the product. Ask me anything! However, the best thing about a fullyRead More…