CASTECHHA-100
Chloride-Free Liquid Accelerator – ASTM C494 Type C
CASTECH HA-100 is an advanced concrete admixture that accelerates the setting and hardening of concrete structures. Its formulation is designed for swift and reliable concrete development.

Overview
About
CASTECH HA-100 is an advanced concrete admixture that accelerates the setting and hardening of concrete structures. Its formulation is designed for swift and reliable concrete development. With a chloride-free composition, CASTECH HA-100 is non-toxic, odourless and non-flammable, making it a secure choice for any construction site. This versatile admixture is suitable for applications such as shotcrete, precision grouting, and concrete repair and reinforcement, and excels in time-sensitive projects by delivering rapid early strength development.
Typical uses
- Precision grouting
- Concrete repair and rehabilitation
- Cold weather concreting
- Fast-track construction projects
- Precast concrete production
- Emergency repairs
- High-strength concrete mixes
- Concrete overlays
- Any application requiring early strength CASTECH HA-100 is also suitable for concrete spraying projects, including railway, highway, military, subway, city infrastructure, underground space and tunnel construction, mining, slope protection and emergency rescue projects.
Compatibility
CASTECH HA-100 is compatible with all Portland cements that meet recognized international standards. CASTECH HA-100 must not be used in conjunction with any other admixture unless prior approval is received from CASTECH Technical Department.
Benefits
Advantages
Key advantages
- Rapid work progress
- Fast setting and early-age strength
- Long-term strength and durability
- Easy handling
- Low dust production
- Improved working safety
- Reduced environmental impact
- Lower handling costs
Technical data
| Consistence | Aqueous Viscous |
|---|---|
| Colour | Pale White |
| Classification According to | Type C ASTM C494 / BS EN 934 |
| Specific Gravity | 1.32±0.02 |
| pH Value | 2 ± 1 |
| Water Solubility | 100% |
| Solid Content | ≥ 40% |
| Initial Setting Time (@10%) | Less than 3 mins |
| Final Setting Time (@10%) | Less than 7 mins |
| Compressive Strength (6h/24h) | 5 / 25 MPa |
Typical values. Refer to the TDS for full details and test conditions.
Application
Dosage
A dosage of 3% – 10% by weight of cement is appropriate. The product is tested to the requirements of EN 196-1; the optimum dosage should be established by trials using site conditions and raw materials.
Remarks
Dosages outside the normal range can be used to meet particular requirements. Please contact CASTECH Technical Service Department for advice in these cases.
Curing
As with all structural concrete, normal curing methods apply.
Packaging & storage
Packaging
CASTECH HA-100 is available in IBC, 200-liter drums and bulk tanks upon request.
Storage & shelf life
Protect from rain, sunlight and damaged containers during storage and transportation. At an ambient temperature of 0 – 35°C the shelf life is six months. A small amount of precipitation does not affect the results; stir before use.
Health & safety
Health & Safety
CASTECH HA-100 is non-toxic. Any splashes to the skin should be washed immediately with water. Splashes to the eyes should be washed immediately with water and medical advice should be sought.