Fritz-pak Corporation
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PDFs in English

Product Bulletin #M-101
Safety Data Sheet (GHS)

Applicable Standards
This product meets the following specifications:
  • ASTM C-494 Type B

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Mortar Set Retarder

Category: Set Retarder


  • Designed for masons and contractors who use bagged concrete or mortar.
  • Slows down set time of pre-packaged mortar or concrete.
  • Easy to use. One bag extends set time about one hour.
  • Dosage can be increased for longer retardation, as long as 3 hours.
  • Improves mortar or concrete workability.
  • Does not affect strength.
  • Excellent for use in hot summer months.
  • Will not affect colors in concrete.
  • Allows for prolonged decorative work.
  • Can be easily stored for use as needed.
  • Suitable for all types of concrete.


Fritz-Pak's Mortar Set Retarder is a white powdered set retarder packaged for use in pre-packaged mortar or concrete. It slows down set times without affecting compressive strength. It is ready for easy dosing; no premixing is required. Since Mortar Set Retarder is white, it will not affect colors in concrete, so it is ideal for decorative concrete work. No special handling, storage or transportation expense is required.


Item #98453: 5.6 oz (158 gram) Mortar Set Retarder per bag 24 bags / display box, 6 display boxes per case

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