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Naphthalene Superplasticizers

Naphthalene Superplasticizer (High-Solid Powder)

Spray-dried naphthalene superplasticizer powder with high active content and low moisture, ideal for dry-mix mortars and long-distance markets.

Overview

High-solid naphthalene powder is spray-dried from the liquid product. Its high active content makes transport and storage significantly cheaper than the liquid form, which is why it is a common choice for dry-mix systems and distant markets.

Key benefits

  • High active content — low cost per unit of dosage
  • Powder form ships easily with no leakage or freezing risk
  • Blends directly with cement and fillers on dry-mix production lines
  • Good solubility, dissolves on contact with water

Application notes

Store in dry conditions and reseal after opening. For dry-mix systems, pre-blend with other powders. The low-alkali grade is available where alkali content is restricted.

Typical uses

Dry-mix mortar, grouts, refractory castables, gypsum products, general concrete.

Technical specification

AppearanceLight brown-yellow powder
Active content≥ 92%
Water reduction18% – 25%
Sodium sulfate content≤ 5% (low-alkali ≤ 1%)
pH (20% solution)7.0 – 9.0
Chloride content≤ 0.05%
Moisture content≤ 5.0%
Fineness (0.315 mm sieve)≤ 5%

Standards

ASTM C494 Type FEN 934-2GB/T 8076

Applications

  • Dry-mix mortar
  • Grouts
  • Refractories
  • General concrete

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