AgeSin® RA-FR16

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AgeSin® RA-FR16

Sodium Zinc Hydroxymethylsulfinate-PCE Alkaline 还原剂

AgeSin® RA-FR16 series is a novel alkaline 还原剂 specifically designed for the synthesis of polycarboxylate ether (PCE) superplasticizers. It includes two forms: AgeSin® RA-FR16P(Powder) and AgeSin® RA-FR16L (Liquid). Both products effectively replace traditional 还原剂s (e.g., vitamin C, sodium formaldehyde sulfoxylate) in PCE production, enhancing fluidity retention and water reduction efficiency. They are stable in alkaline solutions and compatible with mainstream macromonomers like HPEG and TPEG.


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AGESIN® PCE Alkaline 还原剂

规格:

Parameter

AgeSin® RA-FR16P(Powder)

AgeSin® RA-FR16L(Liquid)

Chemical Name

Sodium Zinc Hydroxymethylsulfinate

Appearance

White powder

Pale yellow liquid

pH (as is)

9-11

Stability

Stable in alkaline solutions

Incompatible Substances

Strong oxidizers, acids


应用系统 :

PCE superplasticizer


核心特性 :
  • Improves water reduction rate and slump retention of PCE

  • Enhances storage stability of PCE paste: no viscosity change or discoloration during long-term storage.

  • Reduces production costs compared to conventional 还原剂s.

  • Stable performance across a broad temperature range (0°C to 65°C).

  • Environmentally friendly and safe handling.


应用领域 :
  • Recommended Dosage
  • Use at 0.04‰ - 0.2% of the total reaction mass (optimize via lab tests).

  • Recommended initial dosage: 80%-100% of the original 还原剂 amount.

  • Synthesis Process
  • Add RO water and macromonomer (HPEG or TPEG) to the reactor. Stir until fully dissolved.

  • Add oxidizer/initiator at the target temperature.

  • Use one of these dosing methods:

      • Triple-dosing:

Dose 1: Acrylic acid/HEAA

Dose 2: Chain transfer agent (e.g., thioglycolic acid)

Dose 3: AgeSin® RA-FR16 还原剂

      • Dual-dosing:

Dose 1: Acrylic acid/HEAA + chain transfer agent

Dose 2: AgeSin® RA-FR16 还原剂

  • Control dosing time to 2-4 hours. Ensure AgeSin® RA-FR16 dosing finishes 15-30 minutes after acrylic acid.

  • Maintain temperature for 1-2 hours, then cool, neutralize with alkali, and dilute with water to obtain a clear or pale yellow PCE solution.


包装 :

25KG drum

贮存 :

Being kept in dry, clean warehouse with well ventilation.

Avoid exposing to light and heating.

运输过程中防止泄漏、雨淋和曝晒。

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