Conbextra GP2 is supplied as a ready to use dry powder. The addition of a controlled amount of clean water produces a free fl owing, non-shrink grout for gap thicknesses up to 100mm. Conbextra GP2 is a blend of Portland cement, graded fi llers and chemical additives which impart controlled expansion in the plastic state whilst minimising water demand. The low water demand ensures high early strength. The graded fi llers are designed to assist uniform mixing and produce a consistent grout.

Technical details

Expansion Time	Start 20 minutes,Finish 120 minutes
Packaging Size	25 kg
Brand	Fosroc
Young S Modulus	28 kN/mm2
Shelf Life	6 months
Tensile Strength	3.5 N/mm2 @ 28 days (W/P - 0.18)
Pullout Bond Strength	17 N/mm2 @ 7 days,20 N/mm2 @ 28 days (W/P - 0.18)
Packaging Type	Bag
Fresh Wet Density	2220 kg/m3

Precision Grouting for Heavy-Duty Applications

Conbextra GP2 is engineered for demanding environments requiring accurate load transfer and robust performance. Its superb flowability and non-shrink formulation make it ideal for applications such as grouting machine base plates, columns, and precast elements. The product ensures minimal voids, superior adhesion, and consistent results even in high-load scenarios.

Superior Strength and Durability

With compressive strengths reaching up to 60 N/mm at 28 days, Conbextra GP2 delivers outstanding structural integrity. The premium blend, free from chlorides and corrosion agents, guarantees long-term durability for critical installations. Tailored for use in industrial-grade setups, it meets rigorous standards for reliability and performance.

Effortless Application and Storage

This grout is designed for ease of use and flexibility. It can be poured, pumped, or troweled, seamlessly fitting into various installation requirements. The 25 kg bags are moisture-resistant, ensuring product stability during storage. With a shelf life of up to 12 months and simple storage guidelines, Conbextra GP2 remains dependable for large projects.

FAQs of Conbextra GP2:

Q: How should Conbextra GP2 be applied for precision grouting?

A: Conbextra GP2 is suitable for pouring, pumping, or trowelling into voids beneath machinery base plates, precast concrete components, and anchoring applications. Mix the powder with water as per the recommended water/powder ratio (0.13 to 0.16 by weight), ensuring a consistent, free-flowing mix for optimum results.

Q: What compressive strengths can be expected at different curing intervals with Conbextra GP2?

A: Conbextra GP2 delivers high early and ultimate strengths: 30 N/mm after one day, 50 N/mm at seven days, and a maximum of 60 N/mm by 28 days, making it ideal for projects where rapid load transfer and enduring strength are required.

Q: When does Conbextra GP2 begin to set after mixing?

A: The initial set of Conbextra GP2 is approximately 4 hours at 27C, allowing ample working time for placement and finishing in construction environments.

Q: Where should Conbextra GP2 be stored to maintain its quality?

A: For optimal shelf life and product integrity, store unopened Conbextra GP2 bags in cool, dry conditions off the ground, away from moisture and direct sunlight. Under these conditions, its shelf life is up to 12 months.

Q: What are the main benefits of using Conbextra GP2 for industrial applications?

A: Conbextra GP2 offers non-shrink properties, outstanding flowability, high compressive strength, and chloride-free formulation. These features ensure precise grouting with minimal voids, superior load transfer, and long-term durability in heavy-duty industrial environments.

Q: Can Conbextra GP2 be used for machines with heavy base plates and foundations?

A: Yes, Conbextra GP2 is specifically designed for use under heavy machine base plates, foundations, and other scenarios requiring reliable high-strength load transfer and dimensional stability.

Q: What safety precautions should be taken when using Conbextra GP2?

A: Wear protective gloves and avoid contact with skin and eyes during handling and application. Follow standard safety protocols for cement-based products to ensure safe usage.

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