Acid Proof Bricks | Acid Proofing
Class I Acid Proof Bricks
- IS 4860 Class I
2% max
Water Absorption
Typical value
1.5% max weight loss
Acid Resistance
Typical value
- Supplying refractories since 1980
- Dispatch from Delhi
- Same-day dispatch of standard stock items
- Pan-India & export
Technical Specification
Typical values. Exact values depend on manufacturer, formulation and applicable test standard.
Physical Properties (Typical)
| Parameter | Value |
|---|---|
| Water absorption | 2% max |
| Acid resistance | 1.5% max weight loss |
| Cold crushing strength | 69 MPa (700 kg/cm²) min |
| Flexural strength | 9.8 MPa (100 kg/cm²) min |
| Size | 230×115×75mm std |
Class I Datasheet
Chemical analysis, physical properties, test methods and available sizes for Class I Acid Proof Bricks, shared on request.
Key Characteristics
Taken from the Class I catalogue values above.
Water absorption
2% max
Acid resistance
1.5% max weight loss
Crushing strength
CCS 69 MPa (700 kg/cm²) min
Flexural strength
9.8 MPa (100 kg/cm²) min
Standard size
230×115×75mm std
Typical Applications
Applications for the acid proof bricks range
Chemical & acid handling
Acid storage tank lining (H₂SO₄, HNO₃, HCl, H₃PO₄); Reaction vessel and reactor lining; Absorption tower internal lining; Effluent treatment plant sumps and channels; Battery room floors
Furnaces & linings
Chimney and flue gas duct lining
Petrochemical & fertiliser
Fertiliser plant, sulphuric acid plant
Steel & iron
Pickling tank lining (steel processing)
FAQ
What is Class I?
Class I is a grade in our acid proof bricks range. Typical catalogue values: water absorption 2% max; acid resistance 1.5% max weight loss; cold crushing strength 69 MPa (700 kg/cm²) min; flexural strength 9.8 MPa (100 kg/cm²) min; size 230×115×75mm std. Standard: IS 4860 Class I. Confirm the exact figures on the grade datasheet before specifying.
Where is Class I commonly used?
Applications for the acid proof bricks range include acid storage tank lining (H₂SO₄, HNO₃, HCl, H₃PO₄), reaction vessel and reactor lining, absorption tower internal lining, chimney and flue gas duct lining, effluent treatment plant sumps and channels, fertiliser plant, sulphuric acid plant, pickling tank lining (steel processing) and battery room floors. Grade selection depends on your operating conditions; send them to us and we will confirm Class I or a neighbouring grade.
How do I get a price for Class I, and how fast does it dispatch?
Send your application, operating temperature, dimensions and quantity through the quote form, WhatsApp or +91 98999 57888. Same-day dispatch of standard stock items from Delhi; other items are confirmed with the quotation. Pricing is quoted per enquiry.
Need Class I or help choosing a grade?
Send us the chemicals and concentrations, operating temperature, area and quantity. Our team will recommend the suitable lining system and supply route.
Technical support
Grade selection from our refractory team
Manufacturer-backed
Supplied from established refractory makers
Pan-India & export
Supply across India, GCC, ASEAN and Africa
Values are typical and compiled by Shanker Agencies Pvt. Ltd. from standard industry data and published manufacturer specifications. They are indicative, not a guarantee. Confirm the exact grade datasheet before specifying. For a certified datasheet or quotation, contact info@shankeragencies.com or +91 98999 57888.
Class I Acid Proof Bricks
2% max · 1.5% max weight loss