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linda@landu-china.com +86 138-0013-8000
🔧 Precision Solutions

Grouting Mortar Additives

Engineered for Precision, Strength & Long‑Term Durability

Grouting Mortar Application
✓
High-Flow Formula Non-Shrink Performance
💪
High Strength Anchoring
🎯
Precision Filling
⏱️
Long-Term Durability
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What Is Grouting Mortar and Why It Matters

Grouting mortar is a high‑flow cement‑based material that fills voids and anchoring gaps with precision. It is used to:

▸
Level and secure machinery foundations
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Anchor steel reinforcements and bolts
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Install bridge bearings and rails
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Repair cracks and voids in concrete
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Fill ducts for pipelines and cables
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Provide non‑shrink support beneath structural components

Performance Additives

To keep these mixtures stable and pumpable, modern formulations rely on performance additives that enhance rheology, limit sedimentation, and maintain bond strength from day one.

⚙️ Technical Excellence

How LANDU Additives Improve Grouting Performance

01
💧

Cellulose Ether (HPMC / HEMC)

For Cohesive Flow and Optimized Workability

Acts as a water‑retaining and rheology‑control agent to stabilize mixes and maintain lubrication through the pump line.

Technical advantages:

  • • Consistent hydration and stable flow through formwork
  • • Prevents segregation and bleeding even at low W/C ratios
  • • Extends open time for precision placement
  • • Improves surface finish and anti‑shrink behavior
02
🛡️

Redispersible Polymer Powder (RDP)

For Adhesion, Flexibility and Long‑Term Bond Integrity

RDP modifies the cement matrix to improve bond to concrete and steel while adding ductility for crack resistance.

Technical advantages:

  • • Higher adhesion to substrates and reinforcement
  • • Better tensile and bending resistance under load
  • • Improved freeze‑thaw durability and fatigue strength
  • • Enhanced structural flexibility to prevent micro‑cracks
🔬

Synergistic Performance

Used together, HPMC + RDP create a grout that is fluid enough for perfect filling and strong enough to carry heavy loads without shrink or segregation.

🎯 Real-World Solutions

Typical Applications

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Industrial and Infrastructure Projects

  • ▸ Equipment foundation grouts, machine bases, crane rails
  • ▸ Bridge bearing seats and column supports
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Repair & Reinforcement Tasks

  • ▸ Crack injection and void filling in concrete
  • ▸ Structural stitching and crack bridging
⚙️

Precision Engineering Fields

  • ▸ Anchor bolt grouting, duct filling, pipeline encasement
  • ▸ Precast component alignment & connection
✓

Across all applications LANDU additives help:

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Maintain flow and pumpability over long distances
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Avoid segregation and bleeding
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Achieve uniform strength development
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Increase durability and dimensional stability
⭐ Premium Solutions

LANDU Performance Additives for Grouting Mortar

01
LANDERCOLL HPMC K100

LANDERCOLL® HPMC K100

Flow Control ∙ Water Retention ∙ Workability

Tailored for high‑fluidity grout systems, HPMC K100 ensures uniform mixing and steady hydration. Excellent pumpability and surface finish make it ideal for precision or non‑shrink grouting.

Benefits:

  • ✓ Superior water retention and anti‑bleeding
  • ✓ Stable rheology for constant flow
  • ✓ Improved cohesion and uniform curing
  • ✓ Resists segregation during long pumping operations
02
ACCURATE RDP 4025N

ACCURATE™ RDP 4025N

Adhesion ∙ Flexibility ∙ Mechanical Strength

A semi‑flexible VAE RDP that bridges strength and elasticity in cementitious grouts. Optimized for repair and anchoring applications.

Benefits:

  • ✓ Excellent bond to concrete and steel substrates
  • ✓ Higher bending and tensile capacity under movement
  • ✓ Superior crack resistance and durability in harsh conditions
  • ✓ Freeze‑thaw stability for outdoor or underground works
🤝 Global Partnership

Why Collaborate with LANDU

A proven partner to dry‑mix manufacturers and contractors across five continents.

LANDU Manufacturing Facility
📅
15+ Years
🌍
5 Continents
✓
ISO 9001
💡

Our Strengths Include:

🏆

Industry Expertise

15+ years of grouting and mortar formulation experience

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Certified Manufacturing

ISO 9001‑certified with vertical reactor technology

⚙️

Advanced Technology

Cyclone mixing lines for uniform particle distribution

🌿

Compliance & Quality

REACH‑compliant raw materials and batch traceability

📦

Custom Solutions

OEM and private‑label services for industrial formulators

🚚

Global Logistics

Fast shipping through FedEx and DHL global networks

Partner with Us → 📞 Contact Sales
🎁 Try Before You Buy

Experience Before You Buy — Free Sample Program

Evaluate LANDU quality directly in your plant tests. We supply free trial samples complete with data support.

📦

Your Sample Kit Includes

  • ✓ 200–600 g of HPMC K100 and RDP 4025N
  • ✓ Comprehensive TDS and product brochures
  • ✓ Recommended dosage and mix design tips
  • ✓ Tailored formulation optimization session
📩 Request Your Free Sample →
🚚 Fast delivery worldwide 👨‍🔬 Expert technical support 🏭 OEM customization available
LANDU Free Sample
✓
Free Sample 200-600g Kit
❓ Expert Answers

Frequently Asked Questions

Q1

Can LANDU customize grouting additives for my raw materials?

💡

Absolutely. We adjust HPMC viscosity and RDP flexibility based on your aggregate and cement types, offering full compatibility testing and formula tuning.

Q2

What is the typical HPMC dosage in grouting mortar?

⚖️

Normally 0.2 – 0.5 % by cement weight; exact level depends on desired flow and environmental conditions.

Q3

Which grades should I use for different temperature zones?

🌡️

Use HPMC K100/K200 for moderate conditions and HEMC EM series for hot climates (> 35 °C) to maintain viscosity and open time.

Q4

Which RDP should I consider for my grout?

🔬

Choose RDP 4025N for semi‑flexible performance and RDP 5011N for rigid, high‑strength grouts; 8035H hydrophobic grade is recommended for humid or submersed conditions.

Q5

Can HPMC and RDP be used together?

✓

Yes – the combination offers synergy: stable flow, higher adhesion, better crack control, and improved durability. LANDU provides the right ratio guidance.

Q6

How to prevent bleeding and segregation in grout mixes?

🛡️

Optimize HPMC dosage, use RDP 4025N, add micro PP fibers for reinforcement, adjust aggregate gradation, and reduce water content with a PCE superplasticizer.

Q7

How do LANDU additives improve pumpability for vertical grouting?

⬆️

They create uniform viscosity and self‑lubrication within pipes, reducing friction and pressure drops for consistently smooth delivery even at 30–50 m heights.

💬

Still Have Questions?

Our technical team is ready to assist you with customized solutions.

📞 Contact Technical Team →
LANDU Warehouse
🏭
Global Supply Reliable & Fast
🤝 Your Specialist

Partner with LANDU

Your Specialist in Grouting Mortar Additives

🔬

Free testing samples and mix design consultation

🌍

On‑site or remote technical support for projects worldwide

📦

Reliable bulk supply and flexible shipment options

🏷️

Customized packaging and OEM services for manufacturers

🏗️

LANDU — Building Strength Where It Matters Most.

Send Inquiry → 🎁 Request Free Sample
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