SikaGrind LS-53 KH

SIKAGRIND LS-53 KH – EFFICIENT GRINDING AID AND QUALITY IMPROVER FOR PORTLAND LIMESTONE CEMENT

DESCRIPTION

In the dynamic world of construction, innovation is key, and SikaGrind® LS-53 KH is the game-changer you’ve been waiting for. This chloride-free, liquid cement additive is a revolutionary force in the industry. Developed specifically for the production of Portland Limestone Cement, it possesses remarkable properties that enhance workability and strength development. SikaGrind® LS-53 KH is designed to optimize the efficiency of modern separators and cement mills, especially for co-grinding of blended cements.

APPLICATION

Enhancing Your Cement Grinding System

SikaGrind® LS-53 KH is your secret weapon to boost the production rate of your cement grinding system. It’s versatile and can replace clinker with limestone, while also increasing the early and late strength of your cement. Whether it’s in a mix or as a standalone, it improves workability, making your construction process smoother and more efficient.

ADVANTAGES

Revolutionizing Cement Production

SikaGrind® LS-53 KH is a dispersant that’s here to make your construction journey smoother. It neutralizes electrical charges on the surface of cement particles, reducing agglomeration of ground cement particles and preventing the accumulation of material on grinding media and mill internals. This results in a host of advantages:

• Enhanced grinding performance in the cement mill.
• Higher separator efficiency.
• Increased mill output (tons per hour).
• Reduced relative power consumption per ton of cement.
• Easier achievement of the desired cement fineness (Blaine, sieve residue).
• Minimized problems with “plugging.”

But it doesn’t stop there; SikaGrind® LS-53 KH also brings multiple advantages to the cement itself. Expect increased strength development at all ages, improved workability, and an improved particle size distribution. The powder flows better, and silo discharge becomes a breeze. Plus, it allows you to design economically and ecologically with clinker replacements.

PRODUCT INFORMATION

SikaGrind® LS-53 KH comes packed with benefits:

• Composition: A blend of amines.
• Packaging: Available in 1,000 kg containers.
• Appearance/Colour: A distinctive brown liquid.
• Shelf Life: Enjoy a 12-month shelf life when stored in undamaged, unopened, and sealed original containers. Keep it between +5°C and +35°C, protected from frost, direct sunlight, and contamination.
• Storage Conditions: Bulk delivery? Make sure your tanks and equipment are free from contaminants.
• Density: A range of 1.110 – 1.130 kg/L (at +25°C).
• pH-Value: A neutral range of 8.5 – 10.5.

TECHNICAL SPECIFICATIONS

Here’s a quick reference for the technical specifications:

Property	Value
Composition	Blend of amines
Packaging	1,000 kg containers
Appearance / Colour	Brown Liquid
Shelf life	12 months in proper conditions
Storage conditions	+5°C to +35°C, protect from frost, sunlight, and contamination
Density	1.110 – 1.130 kg/L (at +25°C)
pH-Value	8.5 – 10.5
Recommended Dosage	0.5 – 3 kg per tonne of cement
Compatibility	Compatible with common admixtures
Dispensing	Add to clinker feed before the mill entrance or directly into the grinding mill

CONSTRUCTION INSTRUCTIONS

Utilizing SikaGrind® LS-53 KH in your construction process requires precision and care. Here are detailed construction instructions to help you maximize the benefits of this remarkable cement additive:

1. Determine Optimal Dosage:

• Before integrating SikaGrind® LS-53 KH into your cement production process, it’s essential to establish the optimal dosage.
• Conduct plant trials to assess the specific characteristics of your clinker, limestone, and other variables that may influence the dosage.
• The typical dosage range is between 0.5 – 3 kg per tonne of cement, which translates to 0.05 – 0.3% of the total weight (cement clinker + additions).
• The goal is to achieve the desired characteristics while avoiding overuse.

2. Ensure Accurate Dosing:

• Accurate dosing is paramount for consistent and reliable results.
• Add SikaGrind® LS-53 KH onto the clinker feed just before the mill entrance or directly into the grinding mill.
• Utilize suitable dosage pumps with adjustable flow rates to ensure precise dosing.
• The dosing equipment should be calibrated and regularly maintained to maintain accuracy.

3. Prevent Blockages:

• To maintain a smooth and uninterrupted flow of SikaGrind® LS-53 KH, it’s crucial to prevent blockages in the delivery system.
• Periodically check the additive tube or hose to ensure it remains unobstructed.
• Blockages can disrupt the dosing process and affect the quality and consistency of the cement produced.

4. Compatibility with Other Admixtures:

• SikaGrind® LS-53 KH is compatible with a wide range of commercial admixtures, including air entrainers, water reducers, retarders, and superplasticizers.
• You can confidently incorporate it into concrete mixes without adverse effects on the performance of other admixtures.

5. Handling and Storage:

• Ensure that SikaGrind® LS-53 KH is stored properly to maintain its efficacy:
  • Keep the product in its original, undamaged, and sealed containers.
  • Store the containers in a location with temperatures between +5°C and +35°C to prevent freezing and extreme heat.
  • Protect the containers from direct sunlight and contamination to maintain the product’s integrity during storage.

By following these detailed construction instructions, you can unlock the full potential of SikaGrind® LS-53 KH and enhance the quality, efficiency, and sustainability of your cement production. Proper dosing and maintenance will ensure a consistent and superior cement product, improving your construction projects and setting new standards in the industry.