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Odorless calcium carbonate scale removerSAN-FREE-L

AMTEC Co., Ltd.

Odorless calcium carbonate scale removerSAN-FREE-L

Country/Region China
Categories Carbonate

Product Details

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Odorless calcium carbonate scale removerSAN-FREE-L

Product overview

Acetic acid has been popularly used as a calcium carbonate scale remover for hemodialysis machines.
However, acetic acid is seen as a problem because of:
◆Unpleasant odor (pungent odor) in the working environment
◆Serious effect on O-rings, metals, and other device members as well as piping
◆High environmental burden
SAN-FREE-L is an odorless calcium carbonate scale remover for hemodialysis machines, which solves the above-mentioned problems and achieves markedly outstanding economy.

Product features

1. Provides calcium carbonate scale removal characteristics that can replace acetic acid.
2. Being nearly odorless and free of unpleasant odor at the time of use, it solves problems of
  the work environment.
3. Exhibits low corrosiveness to metals and organic polymer parts such as O-rings, and exerts
  no detrimental effects.
4. All the ingredients are composed of food additives. Highly safe to the human body.
5. Reduces environmental burden compared to acetic acid.
6. Stable high-concentration liquid product and easy to dilute. Provides superb workability.

Product information

AppearanceColorless or pale yellow, low-viscosity clear liquid
※Stock solution may yellow but this does not cause any problem in
application.
Active ingredientsCarboxylic acid-based compound (food additive) blended substance
Component concentration60%±1%
Liquid propertiesAcidity
OdorNearly odorless
※Stock solution smells slightly sweet but the diluted solution is
 odorless.
pH (25°C)2.35±0.10 (100-times diluent)
Packaging form16L/cardboard box

Application procedures

Directions for use■SAN-FREE-L applied final dilution ratio
1. Final dilution ratio is 150 to 250 times.
  ※As a standard dilution ratio, 200-times dilution is recommended.
  ※Both single through-pass systems and static immersion systems
   may be applicable, but single through-pass systems are more
   popular.
  ・Concentration should be adjusted suitably in accordance with the
   adhering volume of calcium carbonate inside the device line.
  ・For preliminary dilution work, SAN-FREE-L should be added to RO
   water (SAN-FREE-L dilutes very well in water, but simple agitation
   is required after mixing for homogenization).
■Good rule-of-thumb for water-rinsing time
1. Whether or not ETRF is installed, rinse with RO water for 30 to 60
  minutes until the pH of the drain water reaches the neutral region
  (in general, pH 6.0 or higher).
※Usage may vary according to manufacturer and model.

Comparison of characteristics between SAN-FREE-L and acetic acid


SAN-FREE-LAcetic acid
OdorNearly odorlessStrong pungent odor
Dissolving capabilities of calcium carbonate scaleHigh dissolving powerHigh dissolving power
Effect on O-rings and other polymer materialLess compared to acetic acidPromotes expansion and deterioration.
Environmental burdenLess compared to acetic acidHigh environmental burden

Points to consider in use and precautions for use

1. Never mix with sodium hypochlorite and chlorine-based products.
  ※Chlorine gas toxic to the human body is generated.
2. Do not mix with alkaline products, strong oxidizing agents or strong reducing agents.
3. Avoid long-term storage of high-diluted solution (50 times or more).

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Contact us with any questions. Call Yokoyama of Sales Promotion Section at +81-6-6447-6555 or send mail to mail@amtecnet.co.jp

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