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Specification of Concrete Admixture Sodium Naphthalene Sulfonate Formaldehyde Condensate as Water Reducer

Keperluan Item: Sodium Naphthalene Sulfonate Formaldehyde Condensate (SNF) Pengurang Air

Semakan

Salt Naphthalene Sulfonate Formaldehyde Condensate, typically called SNF, is a high-range water-reducing admixture for concrete. It helps reduced the amount of water required in concrete mixes while maintaining workability solid. This item meets global criteria for performance and quality.

Ciri-ciri Utama

SNF is a brownish or black powder with great solubility in water. It has reduced air entrainment and does not add added air bubbles to the mix. The item functions well in different types of concrete and offers consistent outcomes. It enhances very early and final stamina advancement in concrete.

This admixture enables water decrease of 15% kepada 25%. That suggests you can make more powerful, denser concrete without changing the mix layout a lot. It also boosts flowability, which makes positioning and compaction less complicated on site.

Data Teknikal

– Tengok : Brown or black free-flowing powder
– Kandungan yang kuat : ≥ 92%.
– Harga pengurangan air : 15– 25%.
– nilai pH (20% penyelesaian): 7– 9.
– Kandungan ion klorida : ≤ 0.15%.
– Kehalusan : Melewati a 0.315 penapis mm (≥ 95%).

Piawaian Penggunaan

The regular dosage is 0.5% kepada 1.0% mengikut berat simen. Constantly run a test batch before full-scale use. Add SNF to the mix water or during mixing. Do not mix it directly with completely dry concrete. Berbelanja di tempat yang sejuk, tempat kering jauh dari kelembapan. Pastikan bekas bertutup apabila tidak digunakan.

SNF functions well in ready-mix concrete, komponen pratuang, konkrit berkekuatan tinggi, dan grout. It works with most other admixtures, but constantly test mixes initially. Adhere to local safety policies when managing this product. Use handwear covers and eye protection throughout use.

Applications of Concrete Admixture Sodium Naphthalene Sulfonate Formaldehyde Condensate as Water Reducer

Applications of Sodium Naphthalene Sulfonate Formaldehyde Condensate in Concrete

Powerful Water Decrease for Stronger Concrete

Salt naphthalene sulfonate formaldehyde condensate (SNF) is an usual water-reducing admixture used in concrete manufacturing. It helps reduce the amount of mixing water required while keeping the concrete practical. Less water suggests greater toughness and better toughness.

This admixture functions well in ready-mix concrete. Builders use it to boost flow without including added water. The result is smoother placement and simpler ending up. SNF additionally assists concrete remain consistent during long hauls or in hot weather.

Boosted Efficiency Across Projects

SNF is commonly used in precast concrete plants. It speeds up mold and mildew turnover by supporting early toughness gain. That means quicker production cycles and lower expenses. The concrete surface additionally looks cleaner with less problems.

In large facilities work– seperti jambatan, terowong, dan empangan– SNF makes certain uniform quality. It enables service providers to pump concrete over long distances without losing consistency. This decreases waste and rework on site.

Compatibility and Dependability

SNF mixes well with the majority of types of cement and other typical admixtures. It executes accurately under typical conditions and does not trigger unforeseen setting concerns when utilized appropriately. Lots of producers depend on it since it gives predictable outcomes batch after set.

Its cost-effectiveness makes it a best selection for basic building. Whether for residential slabs or industrial floorings, SNF supplies strong performance without difficult handling. Simply comply with the suggested dosage, and it functions as anticipated.

Specialists and engineers choose SNF since it fixes actual problems: way too much water deteriorates concrete, but tight blends are tough to place. SNF strikes the appropriate equilibrium– maintaining things fluid sufficient to deal with while improving final toughness and long life.

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5 FAQs of Concrete Admixture Sodium Naphthalene Sulfonate Formaldehyde Condensate as Water Reducer

Frequently Asked Questions About Sodium Naphthalene Sulfonate Formaldehyde Condensate (SNF) Pengurang Air

What is SNF water reducer?

SNF is a high-range water-reducing admixture for concrete. It is made from naphthalene, formaldehid, and sodium sulfonate. This product helps lower the amount of water needed in concrete mixes while keeping workability high.

How does SNF improve concrete?

SNF disperses cement particles evenly in the mix. This action reduces water demand by 15% kepada 25%. Kurang air bermakna kekuatan yang lebih tinggi dan ketahanan yang lebih baik. The concrete also flows more easily without losing stability.

Can SNF be used with other admixtures?

ya, SNF works well with many common admixtures like air-entraining agents or retarders. But you should test combinations first. Some mixes may react differently. Always follow manufacturer guidelines before blending products.

Is SNF safe to handle?

SNF is generally safe when used as directed. Pakai sarung tangan dan pelindung mata semasa pengendalian. Avoid breathing dust or mist. Store it in a dry place away from food or open flames. Pastikan bekas tertutup apabila tidak digunakan.

What types of projects suit SNF best?

SNF is ideal for precast concrete, konkrit siap campur, dan aplikasi berkekuatan tinggi. It performs well in situations where low water-cement ratios are needed. Common uses include bridges, terowong, dan lantai industri. It also helps in hot weather concreting by maintaining flow without extra water.