McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    39 Products

    Desiccants

    Remove moisture from sealed containers during shipping and storage. The area covered is calculated at 77° F and 40% relative humidity.
    Bags
    Image of Product. Front orientation. Desiccants. Bags.
    These desiccants are best when relative humidity is at least 40%.
    Small Pack
    Large Pack
    For Area,
    cu. in.
    Absorption Cap. Relative
    to Desiccant Wt.
    Lg.
    Wd.
    Wt.,
    oz.
    Bag
    Material
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Silica Gel Desiccants
    632%1 3/8"3/4"0.04Tyvek100000000000001,0000000000000000
    2432%1 3/4"1"0.11Tyvek1000000000000400000000000000
    23532%2 3/4"1"0.21Tyvek1000000000000250000000000000
    1,42532%6"1 1/2"1Tyvek5000000000003000000000000000
    2,85032%6"5"2Tyvek50000000000001500000000000000
    5,70032%7 1/8"5"4Tyvek20000000000001000000000000000
    11,42532%8 1/2"5"8Tyvek2000000000000500000000000000
    22,85032%9 1/4"7 1/2"16Tyvek1000000000000300000000000000
     
    Bulk
    Image of Product. Front orientation. Desiccants. Bulk, Bag.
    Image of Product. Front orientation. Desiccants. Bulk, Pail.

    Bag

    Pail

    Reactivate these desiccants after use by heating them.
    Reactivation
    For Area,
    cu. in.
    Absorption Cap. Relative
    to Desiccant Wt.
    Wt.,
    lb.
    Container
    Type
    Method
    Temp.,
    ° F
    Time,
    hr.
    Each
    Silica Gel Desiccants
    23,02523%1BagOven255120000000000000
    115,17523%5PailOven25512000000000000
    230,35023%10PailOven255120000000000000
    691,02533%30PailOven2551200000000000000
    1,266,88033%55BagOven2551200000000000000
     

    Absorption-Indicating Desiccants

    Know when it's time to reactivate these desiccants. Use to remove moisture from sealed containers during shipping and storage.
    Bags
    Image of Product. Front orientation. Desiccants. Absorption-Indicating Desiccants, Bags.
    Bags turn from blue to pink after absorbing 8% of their weight.
    These desiccants are best when relative humidity is at least 40%. The area covered is calculated at 77° F and 40% humidity.
    The bags have a monitoring window to check for desiccant color change.
    Small Pack
    Large Pack
    For Area,
    cu. in.
    Absorption Cap. Relative
    to Desiccant Wt.
    Lg.
    Wd.
    Wt.,
    oz.
    Bag
    Material
    Features
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Silica Gel Desiccants
    630%1 3/8"7/8"0.04TyvekMonitoring Window100000000000001,00000000000000000
    1830%1 3/4"1"0.11TyvekMonitoring Window1000000000000400000000000000
    3630%2 5/8"1"0.21TyvekMonitoring Window10000000000000300000000000000
    8530%3 1/8"1 1/2"0.5TyvekMonitoring Window10000000000000115000000000000
     
    Bulk
    Image of Product. Front orientation. Desiccants. Absorption-Indicating Desiccants, Bulk, Bag.
    Image of Product. Front orientation. Desiccants. Absorption-Indicating Desiccants, Bulk, Pail.

    Bag

    Pail

    These desiccants turn from blue to pink after absorbing 6% of their weight.
    The area covered is calculated at 77° F and 40% relative humidity.
    Reactivation
    For Area,
    cu. in.
    Absorption Cap. Relative
    to Desiccant Wt.
    Wt.,
    lb.
    Container
    Type
    Method
    Temp.,
    ° F
    Time,
    hr.
    Each
    Silica Gel Desiccants
    23,02523%1BagOven255120000000000000
    115,17523%5PailOven25512000000000000
    230,35023%10PailOven255120000000000000
    691,02533%30PailOven2551200000000000000
    1,266,87533%55BagOven2551200000000000000
     
    Canisters
    Image of Product. Front orientation. Desiccants. Absorption-Indicating Desiccants, Canisters.
    Stored in a durable canister, these desiccants turn from blue to pink when they reach maximum moisture absorption.
    Aluminum Canister—Aluminum canister has a monitoring window to check for desiccant color change.
    Plastic Canister—Plastic canister is clear so you can see when the desiccant color changes. Desiccant can also be reactivated in a microwave oven. Microwave it for small increments of time and watch for the desiccant color to change.
    Reactivation
    For Area,
    cu. in.
    Absorption Cap. Relative
    to Desiccant Wt.
    Lg.
    Wd.
    Wt.,
    oz.
    Method
    Temp.,
    ° F
    Time,
    hr.
    Features
    Each
    Silica Gel Desiccants
     
    Aluminum Canister
    5,17518%4 1/8"2 1/4"1.4Oven3003Monitoring Window0000000000000
     
    Plastic Canister
    5,17518%4 1/4"2 5/8"1.4Oven3003—000000000000
     

    Desiccants for Food and Beverage

    FDA compliant for direct contact with food, these Tyvek bags absorb vapors, odors, and gases to keep products fresh.
    Bags
    Image of Product. Front orientation. Desiccants. Desiccants for Food and Beverage, Bags.
    For Area,
    cu. in.
    Absorption Cap. Relative
    to Desiccant Wt.
    Lg.
    Wd.
    Wt.,
    oz.
    Bag
    Material
    Food Industry Std.
    Pkg.
    Qty.
    Pkg.
    Silica Gel Desiccants
    638%1 1/2"7/8"0.03TyvekFDA Compliant 21 CFR 172.230, FDA Compliant 21 CFR 172.480, FDA Compliant 21 CFR 175.390, FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.2010, FDA Compliant 21 CFR 182.901,0000000000000000
    4538%2 7/8"1"0.17TyvekFDA Compliant 21 CFR 172.230, FDA Compliant 21 CFR 172.480, FDA Compliant 21 CFR 175.390, FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.2010, FDA Compliant 21 CFR 182.90300000000000000
    —38%3 1/2"1 3/8"0.35TyvekFDA Compliant 21 CFR 172.230, FDA Compliant 21 CFR 172.480, FDA Compliant 21 CFR 175.390, FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.2010, FDA Compliant 21 CFR 182.90150000000000000
     
    back to top