Page 136 - Archival2019

Humidity Control

Dahlia Sprayer
®
Creates a consistent fine
mist from a variety of liquids.
Manufactured from chrome
plated solid brass, this rugged
unit will not rust. Simply fill the
sprayer with liquid of choice
and pressurize manually with
the hand pump. The simple but
effective technology produces
Silica Gel a fine, even mist without drops
or spatters.
Silica Gel, the highest capacity absorbent available today, is a
porous granular, chemically inert amorphous silica. When used as 92-300 ......................... $355.00
a desiccant, standard grades of silica can absorb 40% of their own
weight of water. No visible change occurs when they become
saturated, however, the gel can simply be dried and reactivated by
heating for 3 hours at 300 degrees Fahrenheit. 5 lbs.
82-124 ........................................................................................ $105.00
Blue Indicating Silica Gel
Colour changes from blue to faded pink colour when saturated, use
alone or add to regular grade for moisture indication. Recondition by
heating in oven at 300 degrees Fahrenheit.
Cat. # Description Price
82-125 1 lb. ............................................................................... $49.00 Hydrion Humidicator Paper
®
82-126 5 lbs. ............................................................................. 198.00
• Simply place a strip of this high
Silica Gel Bags sensitive paper in any room or
Protek Sorb containing 33g of non-indicating grade silica gel in a sealed exhibit case and leave in place
bag of Tyvek material. Their small, flat shape makes them ideal • Compare paper colour to the
®
for use in picture frames, slide cabinet drawers and other restricted accompanying colour chart to
spaces. Reusable if dried in an oven. 3” x 5”. determine relative humidity
Cat. # 1+ 12+ • Change paper every 10-14 days
82-575 ...................................................... $4.40 .................... $4.30 ea. of exposure
• Includes: Paper dispenser, 5 colour paper chart and paper for 200
test strips
Full Cassette
83-466 .......................................................................................... $48.40

NEW! Half Cassette

Prosorb Humidity Control Cassettes
• Easy way of maintaining a stable relative humidity level in display
cases and cabinets
Standard Humidity Cards
• Sold as a complete unit, requiring no additional containers or trays
• Cassettes are constructed from a sturdy polypropylene case with • Used for monitoring the humidity
vapour permeable non-woven polyester panels levels in and around museum cases, artifacts,
collectables and other areas
• Dependent upon the desired RH required, cassettes are
preconditioned in 40% RH or 50% RH • Humidity level is indicated in 10% RH
• Enclosed Prosorb beads will absorb and desorb water vapour, as increments, from 10% to 80%
appropriate, to stabilize the humidity • Colour of the card changes from blue (drier) to
pink (wetter) when exposed to a change in humidity within
• Half-size Cassettes contain 500g of beads and Full-size Cassettes
contain 950g of beads a 8 hour period
• Indicator spots are reversible, and pink spots
Cat. # Dimensions H x W x L Price
will change back to blue when the volume of air has dried
42-220 Half Cassette – 40% RH ....... 1” x 4-1/4”x 13” ....... $115.00
42-221 Half Cassette – 50% RH ....... 1” x 4-1/4”x 13” ......... 115.00 • Highest indicator spot should be blue before using, dry with a
42-222 Full Cassette – 40% RH ..... 1-3/4” x 4-1/4”x 13” ...... 185.00 desiccant if necessary, size: 1-1/2” x 4-1/2”
42-223 Full Cassette – 50% RH ..... 1-3/4” x 4-1/4”x 13” ...... 185.00 10-658 .............................................................................................$7.95
134 Order Online! www.carrmclean.ca

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