LotFancy 2.3 LBS Orange Indicating Silica Gel Beads Desiccants (Industry Standard 3-5 mm), Reusable Silica Beads for 3D Printer Filament AMS (Orange to Green) — Open-Box, 23% Off

Industrial Silica Gel: 2.3 LBS of silica gel beads (3-5mm in size) stored in an air-tight sealed container with handle for easy pouring; 18 Bonus organza drawstring bags to make small desiccant packs. NOTE: These are not the fine powder type for drying flowers; Do not use them for drying flowers

Cobalt Chloride FREE: Our orange silica gel beads are free of cobalt chloride, non-toxic and odorless. (NOTE: Blue indicating silica gel contains a chemical compound called cobalt chloride, a heavy metal salt. )Orange indicating silica gel contains a safe organic indicator called methyl violet that changes from orange to green once saturated with water vapor

Big Absorption: Orange indicating beads (3-5mm in size) are designed to change color within a humidity range of 20%-50%; Silica gel can absorb 40% of its weight in water vapor and 15% in the first two hours; saturated beads do not change shape or size

Easy To Reactivate: Silica gel can be reactivated by spreading the silica gels in a shallow metal sheet and baking at 120℃/ 250℉ oven for 30-60 mins or until all green crystals turn orange again; the recharging process may be shorter or longer depending on the amount of silica gels and saturation level

Versatile Use: Indicating silica gel is widely used in 3D printer filament storage boxes, compressed air dryers, gas drying, breathers, safes, ammo cans, toolboxes, weapon cases, fireproof document Boxes, air compressor, electronics carry case, closets, and more

LotFancy 2.3 LBS Orange Indicating Silica Gel Beads are used to absorb moisture and protect items from dampness. Color Indicating: The orange beads change color to blackish green when they become saturated with moisture, enabling you to easily identify when the silica gels need to be recharged or replaced.Silica gel bead are about 3-5 mm in length. Our desiccant packets are Cobalt chloride free, non-toxic and odorless. Absorb moisture without any chemical reactions. Weight increases up to 40% when saturated and 15% in the first 2 hours. Package Includes: 2.3lbs Silica Gel Beads + 8PCS Drawstring Bag Fill bags as you need, and conveniently place anywhere need to be kept moisture free. Note: The silica gel beads are not designed for open environments, for maximum effectiveness, use them in sealed jars, bags, boxes and bottles, etc. Do not use them for drying flowers. Wide Application: Our rechargeable silica gel beads are widely used in daily life. Keep moisture away from your computers and electronic equipment, 3D printer filament dry box, safe, document, ammunition, jewelry, camera lens, leather jackets, leather shoes, books, photo albums, toys, appliances, etc. Recommend methods to recharge the beads: 1. CONVENTIONAL OVEN: Spread beads evenly on a tray and bake at 200-250 F (DO NOT exceed 250 F) for 0.5-3 hours. Check on beads frequently for noticeable color change. 2. MICROWAVE OVEN: Heat beads for up to 10 minutes on Defrost Mode. Check beads frequently for noticeable color change. NOTE: Remove beads from oven when bead color has returned to orange. Reactivation heating times will vary based on the saturation levels of the beads.