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Cr6+ – Chromium (VI) Reduction

Concrete Texture

MIG chromate reducer products for cement plants

  • easy to handle
  • lowest maintenance cost on dosing equipment
  • most advanced methods of chromium reduction

Modified Tin (II) Sulfate

add before or after the mill

Powder

CEM-PROTECTOR®

1000 P

Liquid

CEM-PROTECTOR® FL 19
CEM-PROTECTOR® FL 21

Antimony (III) Oxide

add before the mill

Powder

Sb 574 No. 1445

Liquid

SL 568 No. 1439

Certified and Tested

Research and development

 

Since 2001 we have been supplying most of the largest cement and dry mortar companies worldwide.

Our products are subject to constant testing and further development.

Our products are certified by

 

Hygienic requirements for cement-bound materials for drinking water supply

Electrochemical test and chloride content

Why Cr6+ must be reduced
  • easy to handle

  • lowest maintenance cost on dosing equipment

  • most advanced methods of chromium reduction

Modified Tin (II) Sulfate

add before or after the mill

Powder

CEM-PROTECTOR®

1000 P

Liquid

CEM-PROTECTOR® FL 19
CEM-PROTECTOR® FL 21

Antimony (III) Oxide

add before the mill

Powder

Sb 574 No. 1445

Liquid

SL 568 No. 1439

Certified and Tested

Research and development

 

Since 2001 we have been supplying most of the largest cement and dry mortar companies worldwide.

Our products are subject to constant testing and further development.

Our products are certified by

 

Hygienic requirements for cement-bound materials for drinking water supply

Electrochemical test and chloride content

Why Cr6+ must be reduced
  • highly irritating to skin

  • allergic skin reactions

  • causes ulcers

  • Cr6+ 100 times more toxic than Cr3+, cytotoxicity: 100 - 1000

  • leaching from raw concrete into drinking water

  • highly toxic to fish (food chain protection)

MIG methods of chromate reduction

Modified Tin (II) Sulfate

  • highest reduction power

  • easy to dose due to free flowing powder

  • only about 13 g per ppm Cr6+ per ton

  • neutral formulation

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Antimony (III) Oxide

  • free flowing powder

  • dust-bound masterbatch

  • builds an insoluble complex

  • low costs

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