RW Crete NL516R (Retarding Superplasticizer for Concrete)

  • This product is a superplasticizing and high-range water-reducing admixture designed to produce high-quality, workable concrete in hot seasons, tropical regions, or temperate climates. It effectively extends the workability retention time of concrete. Engineered for versatility, RW Crete NL516R delivers the performance of a superplasticizer even at lower dosages and costs. It reduces water demand by 12–25% and complies with ASTM C494 (Types B, D, G), ASTM C1017, and Iranian Standard 2930.
  • Packaging: 20 kg pails or 220 kg drums.
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Applications:
– Concrete placement in heavily reinforced structures, narrow sections, or densely reinforced elements.
– Concreting in hot climates to prevent rapid water evaporation.
– Construction of dams, water reservoirs, tanks, bridges, foundations, columns, and other concrete structures.

Benefits:
• Increases concrete slump.
• Compensates for slump loss in hot weather.
• Produces high-quality concrete in warm conditions.
• Enables water reduction for higher 7-, 14-, and 28-day compressive strength.
• Reduces wear and tear on mixing and transportation equipment.
• Enhances pumpability.
• Compatible with all cement types.
• Chloride- and nitrate-free; non-corrosive to reinforcement and concrete.
• Compatible with microsilica, bentonite, and other mineral admixtures.

Dosage:
0.5–1.3% of cement weight, depending on aggregate type and mix design. Exact dosage must be determined through site trials.

Application Method:
1. Mix with all or part of the concrete’s mixing water before adding to the mix.
2. Add directly to ready-mix concrete and ensure thorough mixing before placement.
Note: Maximum effectiveness is achieved when added after 50–70% of mixing water is introduced.
Important: Never add RW Crete NL516R directly to dry cement or mortar.

Technical Specifications:
– Physical State: Liquid
– Color: Dark brown
– Specific Gravity: 1.08 g/cm³
– pH: ~8
– Solubility: Water-soluble
– Storage: Store in original packaging, away from extreme temperatures (up to 6 months).
– Packaging: 20 kg pails or 220 kg drums.

Safety Precautions:
– Skin contact: Wash with soap and water.
– Eye/mucous membrane contact: Rinse with warm water and seek medical attention immediately.

Environmental Notes:
Do not dispose of excess product into water or soil.

Quality Certification:
All products manufactured and supplied by our company comply with international quality standards.

 

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