Calcium Formate

Construction Grade · Industrial Grade — Bulk supply across India & International Markets

What is Calcium Formate?

Calcium Formate is a non-chloride accelerating admixture widely used in concrete construction as a safer alternative to calcium chloride, particularly important in reinforced concrete applications where chloride-induced corrosion of steel reinforcement is a significant durability concern. It is a white crystalline solid that accelerates the setting and early strength development of concrete and gypsum-based products, while also serving important roles in animal feed acidification and certain industrial applications.

Polychem Industries supplies Calcium Formate in construction grade and industrial grade to concrete admixture manufacturers, precast concrete producers, gypsum board manufacturers, and animal feed companies across India and internationally. As chloride-free admixtures become increasingly important for reinforced concrete durability, Calcium Formate has become one of the most valuable non-chloride accelerator options in the construction chemicals industry.

Available Grades

GradeFormPurityStandardApplications
Construction GradeWhite crystalline powder/granules98%+ (Construction / Industrial Grade)Construction / Concrete AdmixtureConcrete accelerator, gypsum board manufacturing, cold-weather concreting
Industrial / Feed GradeWhite crystalline powder98%+Animal Feed / IndustrialAnimal feed acidifier, leather tanning

Applications & Uses

๐Ÿ—๏ธ

Concrete Set Accelerator (Non-Chloride)

The most significant construction application. Calcium Formate accelerates concrete setting time and early strength development without introducing chloride ions, making it the preferred accelerator for reinforced concrete where chloride-induced steel corrosion must be avoided.

โ„๏ธ

Cold-Weather Concreting

Used extensively in cold-weather concrete placement to counteract the slower setting and strength development that occurs at low temperatures, helping maintain construction schedules during winter conditions.

๐Ÿข

Gypsum Board & Plaster Manufacturing

Used as an accelerator in gypsum board (drywall) and plaster manufacturing, helping speed up the setting process and improve production line efficiency in these construction material manufacturing operations.

๐Ÿงฑ

Precast Concrete Production

Used in precast concrete manufacturing to accelerate strength development, supporting faster mould turnover and improved production efficiency without the corrosion risks associated with chloride-based accelerators.

๐Ÿ„

Animal Feed Acidification

Used as a feed acidifier and preservative in animal feed formulations, helping control microbial growth and improve feed hygiene, particularly in pig and poultry feed applications.

๐Ÿ‘ž

Leather Tanning

Used in certain leather tanning processes, taking advantage of its specific chemical properties in leather processing and finishing applications.

Technical Specifications

Calcium Formate — Key Properties

Chemical FormulaCa(HCOO)2
CAS Number544-17-6
Molecular Weight130.11 g/mol
AppearanceWhite crystalline powder/granules
Purity98%+ (Construction / Industrial Grade)
Melting PointDecomposes above 300°C
Density / Bulk DensityBulk density: 0.9–1.1 g/cm3
pH6.0 – 8.0 (10% solution)
Packaging Available25 kg / 50 kg bags
StorageStore in cool, dry place away from moisture. Non-hygroscopic and chemically stable under normal storage conditions.

Why Source Calcium Formate from Polychem Industries?

  • Construction Grade and Industrial/Feed Grade available
  • Non-chloride accelerator — avoids steel reinforcement corrosion risk
  • Certificate of Analysis available on request
  • Reliable bulk supply for concrete admixture and gypsum board manufacturers
  • Competitive pricing with consistent year-round availability
  • Export documentation experience for international shipments

Frequently Asked Questions

Why is Calcium Formate preferred over Calcium Chloride as a concrete accelerator?
Calcium Chloride, while an effective and economical accelerator, introduces chloride ions into concrete that can promote corrosion of embedded steel reinforcement over time, a serious durability concern in reinforced concrete structures. Calcium Formate provides similar accelerating benefits without introducing chloride, making it the preferred choice for reinforced concrete applications where long-term durability and avoiding steel corrosion are priorities.
How does Calcium Formate help in cold-weather concreting?
Concrete hydration (the chemical reaction responsible for setting and strength gain) slows significantly at low temperatures, which can delay construction schedules and create risks if concrete does not gain adequate strength before freezing. Calcium Formate accelerates this hydration reaction, helping concrete achieve adequate early strength more quickly even in cold conditions, supporting continued construction progress during winter months.
What is the typical dosage of Calcium Formate used in concrete?
Typical dosage rates range from 1% to 3% by weight of cement, depending on the specific acceleration requirements, ambient temperature conditions, and concrete mix design. The exact dosage should be determined through trial mixes appropriate to the specific application and performance targets.
Do you export Calcium Formate outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation. Contact us for export pricing and lead times.

Inquire About Calcium Formate

Fill in your details and our team will respond within 24 hours.

Inquiry Received!

Our team will contact you within 24 hours.

Ready to Order Calcium Formate?

Contact Polychem Industries for bulk pricing, grade specifications and delivery timelines.