Calcium Formate Axelrate 440

AXELRATE™ 440 is a high-purity Calcium Formate accelerator developed for modern dry mix mortar manufacturers and cement-based construction chemical formulations that require faster setting and stronger early performance. Designed for applications such as tile adhesive, tile grout, repair mortar, plaster, skim coat, and fast-setting screeds, AXELRATE™ 440 speeds up cement hydration to deliver rapid early strength gain and reduced waiting time on site.

It is a chloride-free setting accelerator, making it safer for reinforced cement systems compared to chloride-based accelerators, while still offering excellent cold-weather curing support. By improving early hardness and reducing turnaround time, AXELRATE™ 440 helps contractors achieve higher productivity in flooring, tiling, waterproofing, and structural repair jobs. Its free-flowing powder form blends easily into dry mix formulations and is compatible with common additives like RDP, cellulose ethers (HPMC/HEMC), and PCE-based superplasticizers. With reliable performance across different cement grades and mortar designs, AXELRATE™ 440 is an ideal choice for manufacturers targeting fast-setting, high-early-strength dry mortars with consistent quality.

General Characteristics – Calcium Formate

Synonyms

Calcium Methanoate, Formic Acid Calcium Salt, Calcium Diformalate

Molecular Weight

130.11 g/mol

CAS No.

544-17-2

EC / EINECS No.

208-863-7

HS Code

2915.12.00

UN / Transport

Not classified as dangerous goods / Non-hazardous for transport

Form

White crystalline powder / free-flowing solid

Purity (typical)

≥ 98% Calcium Formate (industrial / construction grade)

Crystal Structure

Crystalline salt

True Density

~2.0 – 2.1 g/cm³

Mohs Hardness

~2.5 – 3.0

Solubility

soluble in water
Slightly soluble in alcohol
Insoluble in most organic solvents

pH (10% aqueous solution)

Neutral to mildly alkaline (approx. pH 6.5 – 8.0)

Thermal Stability / Decomposition

Stable under normal storage conditions
Decomposes at elevated temperatures (> ~400 °C)

Max Use Temperature

Suitable for cementitious and construction applications under normal curing and service temperatures

Typical Applications

Dry Mix Mortars

Tile adhesives (C1 / C2 grades)
Tile grouts
Repair mortars
Masonry mortars
Plaster and skim coat mortars

Cementitious Systems

Fast-setting screeds
Precast concrete elements
Ready-to-use bagged mortars
Rapid repair products

Properties

Property	Typical Value
Appearance	White crystalline powder
Chemical composition	Calcium Formate
Solubility in water	High
Bulk density	~900–1000 kg/m³
pH (10% solution)	Neutral to mildly alkaline
Chloride content	Nil
Form	Free-flowing solid

Benefits

Accelerates initial and final setting time

Enhances early compressive strength (1–3 days)

Improves productivity and turnover time

Effective in cold and low-temperature applications

Non-chloride → safe for reinforced concrete

Compatible with most dry mix formulations

Maintains long-term strength development

Reduces risk of early-age shrinkage cracking

Recommended Dosage Guidelines

Dosage depends on cement type, formulation design, temperature, and required setting profile. Always optimize through trials.

0.2 – 1.0% by weight of cement

Typical Application Ranges

Tile adhesives: 0.3 – 0.6%

Tile grouts: 0.2 – 0.5%

Repair mortars / fast-setting products: 0.5 – 1.0%

Cold weather applications: Upper end of dosage range

Excess dosage may lead to overly rapid setting or reduced workability—balance with water retention and rheology modifiers.

Safety & Handling

AXELRATE™ 440 is considered low hazard when handled correctly.

Precautions:

Avoid inhalation of dust

Avoid contact with eyes and prolonged skin exposure

Use gloves, goggles, and dust mask during handling

Refer to the Safety Data Sheet (SDS) for detailed information.

Storage

Store in a cool, dry, and well-ventilated area

Protect from moisture and humidity

Keep packaging tightly sealed after opening

Shelf life: 12 months when stored properly

Packaging Information

25 kg HDPE-lined bags

Jumbo bags available on request

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