Wisesorb 7.5 LBS 4A Molecular Sieve, Premium Quality Desiccant Bulk Material
Product ID: 180491840
๐งAbsorbs 17%+ water vapor at 25ยฐC
๐ฅReactivatable at 550ยฐC for reuse
โ๏ธ4A molecular sieve, 0.4nm pore size
Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.
๐ง Stay dry, stay sharp โ the ultimate moisture defense for pros on the move!
Wisesorb 7.5 LBS 4A Molecular Sieve is a premium desiccant designed for rapid and precise moisture absorption. With a pore size of 0.4nm, it efficiently traps water vapor up to 17% of its weight at room temperature and remains effective in subzero conditions. Packaged in an ergonomic dual-handle container, it offers easy pouring and handling. The sieve is fully reactivatable through high-temperature baking, making it a sustainable choice for industrial, scientific, and household moisture control needs.
| Asin | B07YN576YJ |
| Best Sellers Rank | #184,208 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #272 in Desiccants |
| Date First Available | August 8, 2019 |
| Item Model Number | 1 |
| Item Weight | 8.09 pounds |
| Manufacturer | Wisesorbent Technology LLC |
| Product Dimensions | 9.06 x 3.74 x 11.61 inches |
User
Excellent for 3D printer dry boxes
Totally glad I went with this for my 3D printer needs instead of regular silica. These small beads do a great job of drying my filament in my AMS and enclosed filament box. I use hygrometers to check if moisture is starting to accumulate and after 4+ months it still hasnโt. I never have print failures due to filament issues. I am still fairly new at 3D printing yet I am pretty convinced that using dry filaments is so helpful for good adhesion and quality prints. This is a large container too. I have filled up many intra-filament spool dry boxes and the container is still 1/2 full. I know it is harder to regenerate/dry molecular sieve but I will figure it out when I get to it. Right now it seems like it will be many, many months to years from nowโฆ
User
Value for money
Nice quatlity and good durability
User
Better than advertised. Awesome!
4a molecular sievesTwo experiments:30 GM to startPoured 5x the apparent volume in water, fizzed.Dried3x on paper towels. Probably lost ~ 30 beads.Weight:40.41gm.Aluminum lasagna pan, convection oven set to 500c start time: 9:45pm.End time 10:45pm . After 1hr in oven weighed30.4 GM.Put Hygrometer that reads down to 10% into polyethylene bag filled with air. Hygrometer read 40%.Added above cooked beads to bag and checked in morning. Hygrometer read 10% (lowest it could read).
User
Size reference needs improvement
For first time users, it will be best if they had scales shown next to the item. Picture and unit described it's hard for new users to understand how big the unit is. If item has been poured out of the container and placed next to a ruler, it will help the buyer understand better the size of these pellets.
User
Perfect of a damp car
This product sucks up the humidity in my car aggressively and reduced the damp, musty smell to almost non-existent... I wish I had found them sooner but glad I did and it works. Probably good for gun safes in a basement too.
User
Awesome product
I bought 3a and 4a from them, used them to dry solvents, leave in and store, and remove water from reactions. They work great. If I ever run out of them or find I need more than 7lbs in rotation I'd absolutely order more.
User
Worked perfect and look great!
Fit perfect and looks awesome
User
4A and 13X great!
(4A) So basic tests with water and dehydrating it came out very good. I passed the heat stress limits of glass while drying and broke that. Aluminum is doing ok. After activating, no matter dry or "used" these seem to always give off some heat so have proper storage containers after activating. Convenient double handle make's spills less frequent. I've noticed a 5-10% decrease in humidity compared to normal Silica Gel.(13X) 100% easy oxygen concentration levels if your rig is right.
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