good stability SNF-C super plasticizer nigeria

  • good stability SNF-C super plasticizer nigeria
  • good stability SNF-C super plasticizer nigeria
  • good stability SNF-C super plasticizer nigeria
  • Why does SNF Based super plasticizer have high fluidity?
  • SNF-based super plasticizer possesses high fluidity due to reduced monomer and increased molecular weight. Retardation of the cement hydration depends on the molecular weight where the higher the molecular weight, higher the retardation [65, 66].
  • What are the physical properties of SNF & SMF based superplasticizer?
  • The physical properties and a cross-link structural density of SNF, SMF, and PC-based superplasticizer are illustrated in Table 1 and Scheme 1, respectively. Glass fiber of size 13 mm (Length) × 18 µm (Diameter) was used. As per the specifications given by the manufacturers, glass fibers are resistant to alkali and acid attacks.
  • Does superplasticizer affect workability and properties of self-compacting concrete (SCC)?
  • This research examined the effect of superplasticizer on workability and properties of self-compacting concrete (SCC). Three types of superplasticizers Conplast SP 561, Conplast SP 430 and Conplast SP 264 at different percentages (0, 10, 20 and 30%) with the same water cement ratio of 0.3, with M30 grade of concrete.
  • What is the maximum tensile strength of a superplasticizer?
  • The maximum split tensile strength at 28 days of testing for all cases was found to be 29.09 MPa—SNF based, 30.72 MPa—SMF based, and 31.23 MPa—PC-based admixture, respectively, at 1.5% of dosage (Fig. 6). Therefore, the effect of superplasticizers mainly influences the workability of concrete rather mechanical properties.
  • How much OPC should a normal super plasticizer be used for?
  • With the given requirements and materials, the manufacturer of Normal Super plasticizer recommends dosages of 20 gm per kg of OPC, which will reduce 28% of water without loss of workability. For fly ash included cement dosages will be required to be adjusted by experience/ trials. 1.
  • How much Sulphonated naphthalene formaldehyde can be used in a superplasticizer?
  • The dosage between 0.6 to 2% by weight of cement resulted in minimal retardation. Superplasticizers are of four types as Sulphonated Naphthalene Formaldehyde (SNF), Sulphonated Melamine Formaldehyde (SMF), Sulphonated Acetone Formaldehyde (SAF), and Polycarboxylate Ether (PC).

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