![Stainless Steel Test Kit for Differentiating 316/304 [Packaging Upgraded]](https://m.media-amazon.com/images/I/81tyzLzILKL._AC_SL3840_.jpg)
Stainless Steel Test Kit for Differentiating 316/304 [Packaging Upgraded]
Product ID: 577383394
🎨color-change differentiation
🔄100+ reusable tests
⏱️2-minute rapid test
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🔍 Don’t guess—test like a pro and stay ahead in quality control!
The MARSTEP Stainless Steel Test Kit offers a fast, reliable way to distinguish 316 stainless steel from 304 or 201 series via a simple color change. With over 100 tests per pack and all necessary components included, it delivers professional-grade accuracy in just 2 minutes, making it an essential tool for quality assurance in industrial and scientific applications.
| Asin | B0BRJLWV9Q |
| Best Sellers Rank | #42,558 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #314 in Lab Consumables |
| Date First Available | January 2, 2023 |
| Item Model Number | 1 |
| Item Weight | 0.634 ounces |
| Manufacturer | MARSTEP TECHNOLOGIES |
| Package Dimensions | 2.09 x 1.26 x 1.22 inches |
User
Works well.
Seems to work well. I tested it on a 316 sink and it showed 316. On a 304 it didn't. But it will definitely etch, so only use it on an inconspicuous area.
User
Small...works
Very small but it does work
User
It may work, but highly overpriced for the quantity actually received.
I understood from the description that these would be small bottles. What I didn’t know was that one of the bottles would barely be 1/2 full and the other bottle would be 1/4 full. I’m not sure if it’s a quality control issue or what. But be aware.
User
Not good for anything other than testing 316
The description says it can identify 316 and 304, however the extremely limited instructions only explain testing for 316 even though the bottle clearly shows 304 as well. It seems that with 304 the color doesn't change, but based on what it says in the instructions, the color may not change for other types of metal as well. That makes this a poor test for anything other than 316 testing, which unfortunately is not what I need since I'm trying to test for 304. Now the only thing I know for certain about the metal I'm testing is that it's not 316 Stainless, but since it's also not magnetic, I assume it's 304. The point of the test was to confirm this.
User
Tiny vials
This product does not differentiate between 304 and 316 stainless, it only tells you if the metal is at least "one of" those two grades. The vials are TINY, and they both come in a box that is only about 1.5" square. The colors produced didn't look as definitive as depicted in the ad.
User
Good but be careful
It could have just been my luck but one bottle can cracked and the other one seemed okay.The instructions said to wait 2 - 5 mins before wiping away however instantly it had a reaction. Like within 2 - 5 seconds. Also all the videos seem to be the same result. However those you are looking for I think blue or red. This one you are looking for brown black.Also will stain your stainless 316 black / dark don’t use on a fridge or anything you need front facing.
User
PRODUCT PACKAGING
The product was not sealed well with result the content of the tester to spread out of the bottle into the package
User
Does not work
Does not work
Trustpilot
1 month ago
1 month ago