White Cement — Complete Guide
White Cement is a special type of Portland cement that hardens
to a bright white colour, used primarily for decorative and
architectural applications. It is manufactured from carefully
selected raw materials with very low iron and manganese content,
and is governed in India by IS 8042.
Although White Cement has the same fundamental properties as
grey Ordinary Portland Cement, it commands a premium price due
to the specialised raw materials and manufacturing process
required to produce its characteristic white colour.
What is White Cement?
White Portland Cement is a hydraulic binder produced by
grinding clinker (made from low-iron limestone and china clay
or kaolin) with a small percentage of gypsum. The clinker is
burnt with high-grade fuel (often oil or natural gas) and
quenched rapidly to maintain its white colour.
Key Idea:
White Cement is chemically similar to OPC but uses raw materials with iron oxide (Fe₂O₃) content less than 0.5% to maintain its white colour.
How is White Cement Manufactured?
- Raw Material Selection: Pure limestone and kaolin/china clay with low iron content (<0.5% Fe₂O₃) are chosen.
- Crushing & Grinding: Raw materials are crushed and ground in a closed circuit ball mill.
- Burning in Rotary Kiln: Mixture is heated to 1450°C using oil or natural gas (not coal, which adds iron).
- Rapid Cooling: Clinker is rapidly quenched with water to preserve whiteness.
- Grinding with Gypsum: The clinker is finely ground with 2–3% gypsum to produce the final cement.
- Bleaching: Optional chemical bleaching may be used to enhance whiteness.
- Packing: Packed in 1 kg, 5 kg, 10 kg, 25 kg, and 50 kg bags.
Chemical Composition of White Cement
| Compound | Approximate % |
|---|
| Lime (CaO) | 62 – 67% |
| Silica (SiO₂) | 21 – 24% |
| Alumina (Al₂O₃) | 4 – 6% |
| Iron Oxide (Fe₂O₃) | < 0.5% (key for whiteness) |
| Magnesia (MgO) | < 1% |
| Sulphur Trioxide (SO₃) | 1 – 3% |
| Gypsum | 2 – 3% |
The very low iron oxide content (< 0.5%) is the primary reason for the white colour. Even small traces of iron impart grey tint.
Physical Properties of White Cement (IS 8042)
| Property | Requirement |
|---|
| Fineness (Blaine Air Permeability) | Not less than 225 m²/kg |
| Whiteness (Hunter L value) | Greater than 75 (typical 85–90) |
| Standard Consistency | 30% – 34% |
| Initial Setting Time | Not less than 30 minutes |
| Final Setting Time | Not more than 600 minutes |
| Soundness (Le Chatelier) | Not more than 10 mm |
| Soundness (Autoclave) | Not more than 0.8% |
| Specific Gravity | 3.05 – 3.15 |
| Bulk Density | 1100 – 1300 kg/m³ |
Compressive Strength Requirements (IS 8042)
IS 8042 specifies White Cement in two grades based on
compressive strength, similar to OPC:
| Age | 33 Grade White Cement | 43 Grade White Cement |
|---|
| 3 Days | ≥ 16 MPa | ≥ 23 MPa |
| 7 Days | ≥ 22 MPa | ≥ 33 MPa |
| 28 Days | ≥ 33 MPa | ≥ 43 MPa |
Uses and Applications of White Cement
- Tile grouting and joint filling
- Wall putty (smooth white finish for paint)
- Decorative plastering and stucco
- Architectural pre-cast elements (panels, mouldings)
- Terrazzo flooring and marble chip work
- Sculptures and artistic concrete
- Cement-based paints
- Repair of decorative concrete surfaces
- Garden ornaments, planters, statues
- Decorative concrete fountains
- White concrete pavers
- Coloured concrete (as a base for pigments)
- Pointing of light-coloured stones
- Swimming pool finishes
- Mosaic flooring (with marble chips)
White Cement Wall Putty
White cement-based wall putty is one of the most common uses
of white cement in modern construction. It is applied on
interior walls before painting to create a smooth, white,
non-absorbent surface.
Advantages of White Cement Putty
- Provides smooth white finish for paint
- Fills minor cracks and uneven surfaces
- Improves paint coverage (less paint required)
- Enhances paint adhesion and life
- Resistant to moisture and humidity
- Non-toxic and eco-friendly
Popular White Cement Putty Brands
- Birla White WallCare Putty
- JK White Cement Putty
- Asian Paints SmartCare Putty
- Berger Walmasta Putty
- Dr. Fixit White Cement Putty
White Cement for Tile Grouting
White cement is widely used to fill the gaps between floor
and wall tiles, providing a clean, decorative appearance.
Recommended Mixing Ratio
White Cement : Water = 1 : 0.3 (by weight)
For coloured grouts, add 5–10% mineral pigments to
white cement before mixing with water. For wider joints
(more than 5 mm), use sanded grout with fine quartz sand.
White Cement vs Grey Cement (OPC) — Comparison
| Parameter | White Cement | OPC (Grey) |
|---|
| IS Code | IS 8042 | IS 269 / IS 8112 / IS 12269 |
| Colour | Bright white | Grey |
| Iron Oxide (Fe₂O₃) | < 0.5% | 2 – 4% |
| Raw Materials | Pure limestone + kaolin | Regular limestone + clay |
| Fuel for Burning | Oil / natural gas | Coal (cheaper) |
| Strength | 33 / 43 MPa | 33 / 43 / 53 MPa |
| Cost | 2–3 times costlier | Lower |
| Use | Decorative, finishing | Structural RCC |
| Workability | Better (finer) | Good |
Advantages of White Cement
- Bright white colour — ideal for decorative use
- Can be used as a base for coloured concrete with pigments
- Better light reflectivity — reduces lighting costs in interiors
- Smooth finish for plastered surfaces
- Excellent paint adhesion when used as putty
- Resistant to moisture and weathering
- Long service life in decorative applications
- Compatible with mineral pigments for custom colours
- Non-toxic and safe for interior use
- Same strength category as 33/43 grade OPC
Disadvantages / Limitations of White Cement
- 2–3 times costlier than regular OPC
- Higher water requirement for mixing
- Susceptible to staining from dirt and pollution
- Higher carbon footprint per tonne (more fuel needed)
- Limited grades available (mainly 33 and 43)
- Not suitable for structural RCC of major buildings (cost)
- Requires careful handling to maintain whiteness
- Less widely available in remote areas
- Yellowing possible over time if exposed to weather
When Should You Choose White Cement?
- For decorative architectural finishes
- For interior wall putty before painting
- For tile grouting and joint filling
- For terrazzo and mosaic flooring
- For coloured concrete with custom pigments
- For sculptures, fountains, and garden ornaments
- For pre-cast architectural panels
- Where bright white finish is needed
For routine structural RCC work, use
OPC 43 or
OPC 53 instead —
white cement is too costly and not necessary for hidden
structural elements.
Mixing & Application Tips
- Always use clean, potable water for mixing
- Use clean buckets and tools to avoid contamination
- Mix in small quantities (white cement sets faster than expected)
- Apply with a clean putty knife or trowel
- For wall putty: apply 2 coats, each 1–1.5 mm thick
- Allow 4–6 hours of drying between coats
- Sand the surface lightly between coats
- Cure with water mist for 24–48 hours
Storage of White Cement
- Store in dry, weather-proof, well-ventilated space
- Use wooden pallets, 150–200 mm above the floor
- Maintain 300 mm gap between bags and walls
- Cover with plastic sheet to prevent contamination
- Avoid contact with grey cement bags (may stain)
- Use within 3 months of manufacture for best whiteness
- Limit stack height to 8–10 bags
- Keep away from dust, soot, and oil sources
White cement loses brightness on prolonged storage even if strength is retained. Buy in quantities you will use within a few weeks.
Field Tests for White Cement
| Test | Procedure | Good Cement Indicator |
|---|
| Colour Test | Observe powder | Bright pure white without grey/yellow tint |
| Hand Insertion Test | Insert hand into bag | Cool sensation, no warmth |
| Smoothness Test | Rub between fingers | Very smooth and silky |
| Float Test | Sprinkle on water | Floats briefly before sinking |
| Lump Test | Squeeze bag | No hard lumps |
| Whiteness Comparison | Compare with reference sample | Equal or brighter than reference |
Laboratory Tests for White Cement
- Whiteness Test (Hunter L scale)
- Fineness Test — IS 4031 (Part 1 & 2)
- Standard Consistency Test — IS 4031 (Part 4)
- Setting Time Test — IS 4031 (Part 5)
- Soundness Test — IS 4031 (Part 3)
- Compressive Strength — IS 4031 (Part 6)
- Chemical Composition — IS 4032
- Iron Oxide Content Test
Popular White Cement Brands in India
- Birla White (most popular)
- JK White Cement
- Travancore Cements (TCL White)
- Indian White Cement
- Cimsa White Cement (imported)
- Aalborg White (imported)
Birla White and JK White together hold the largest share of the Indian white cement market.
Cost & Pricing
White Cement typically costs Rs 600 – Rs 1,200 per 50 kg
bag in India, compared to Rs 350 – Rs 450 for OPC 43.
Smaller bags (1, 5, 25 kg) are available for retail use at a
proportionally higher per-kg rate.
| Pack Size | Approximate Price (Rs) |
|---|
| 1 kg | 30 – 60 |
| 5 kg | 120 – 250 |
| 25 kg | 400 – 700 |
| 50 kg | 600 – 1,200 |
Safety Precautions
- Wear gloves to prevent alkali burns
- Use dust mask while handling dry powder
- Wear safety goggles
- Wash hands and skin thoroughly after work
- Do not rub eyes if cement enters; rinse with clean water
- Keep bags away from children and pets
- Store in dry, well-ventilated area
Conclusion
White Cement is a premium, decorative variety of Portland
cement that adds a touch of brightness and elegance to modern
construction. Conforming to IS 8042, it
offers comparable strength to OPC 33/43 while delivering a
bright white finish that is impossible to achieve with grey
cement.
Although it is significantly more expensive than regular OPC,
White Cement is irreplaceable for wall putty, tile grouting,
terrazzo flooring, decorative finishes, and architectural
pre-cast elements. Choose White Cement wherever appearance
matters — and use grey OPC for everything structural
and hidden.