OPC Semen Singa Merah

OPC Semen Singa Merah

Description

Premium-grade Ordinary Portland Cement with superior early strength development. Perfect for projects requiring fast setting and high early strength.

Key Advantages

  1. High early strength, with significant strength development over time.

  2. Low alkali content, less than 0.55%, providing good compatibility with various additives and admixtures, while maintaining low concrete slump loss over time.

  3. Lower water demand, offering improved water retention and workability.

  4. Stable cement quality and performance, with the standard deviation of 28-day compressive strength less than 15 kg/cm².

  5. No abnormal setting or hardening phenomena.

Applications

Ideal for high-performance concrete, rapid construction projects, precast concrete elements, and structures requiring early strength development.

Scope of Application

  1. Projects requiring low-alkali cement, such as bridges and tunnels designed for a 100-year service life.

  2. Production of high-strength and high-performance concrete with strength grades ranging from K400 to K600.

  3. Concrete works requiring high impermeability, abrasion resistance, and durability.

  4. Steam curing projects and the production of precast concrete components.

Level Kekuatan Jenis Semen Konsumsi Bahan (Kg/m3) Campuran Kemerosotan (cm)

Tingkat Pasir (%)

Semen Campuran Aktif Pasir Sedang Kerikil
K300 OPC 380 - 720 1055 Air 280 180±20 41
K300 OPC 315 dapat dicampur 800 980 kinerja tinggi 220±20 45
K350 OPC 365 dapat dicampur 783 990 kinerja tinggi 220±20 44
K400 OPC 380 dapat dicampur 758 1020 kinerja tinggi 220±20 42
1. Frekuensi pasir disesuaikan dengan modulus kehalusan aktual;
2. Campuran tersebut disesuaikan dengan kebutuhan proyek.

 

Specifications

Item Pengikatan Awal
(menit)

Pengikatan Akhir
(menit)

Umur 3 hari (kg/m3) Umur 7 hari (kg/m3) Umur 28 hari (kg/m3)
SNI ≥45 ≤375 ≥135 ≥215 ≥300
Internal Control 80≤K≤120 150≤K≤200 ≥270 ≥370 ≥470

 

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