Civil Engineering Guidance
Unsure whether to specify Astral Underground for your foundation, column, or slab? Our structural engineers audit site drawings free of charge.
Consult Civil Engineer →Astral Underground (110 mm SN8 Foam-Core)
Technical Specifications & Bureau Compliance
| Manufacturer / Brand | Astral Underground |
|---|---|
| Product Category | Underground Drainage Pipes |
| Standard Compliance | IS 15328 (SN8) CERTIFIED |
| Compressive Strength @ 28 Days | Meets Bureau Mandate |
| Compressive Strength @ 3 Days | Batch MTC Guaranteed |
| Initial Setting Time | 165 mins (BIS Requirement: Min 30 mins) |
| Final Setting Time | 245 mins (BIS Requirement: Max 600 mins) |
| Fineness (Blaine Air Permeability) | 285 m²/kg (BIS Mandate: Min 225 m²/kg) |
| Packaging Format | 50 KG Net Multi-Ply Poly-Lined Valve Bag |
| Regional Supply Hub | Kolkata · Direct Mill Supply |
How does Ostaad Bulk Buying work?
Astral Underground Variants & Thickness Rates
Base variant starts from ₹390 / 3M LENGTH. Click any variant below to inspect full specifications, load capacity, and calculate exact quotas.
110 mm SN8 Foam-Core
110 mm SN8 Foam-Core manufactured by Astral Underground conforming to IS 15328 (SN8).
160 mm Sewer Riser
160 mm Sewer Riser manufactured by Astral Underground conforming to IS 15328 (SN8).
Ring-Tite Chamber Pipes
Ring-Tite Chamber Pipes manufactured by Astral Underground conforming to IS 15328 (SN8).
Astral Underground Bag & Material Estimator
Input the structural casting area to compute the exact ratio of Astral Underground bags, Coarse River Sand, and Crushed Aggregate needed for casting.
Calculated for 1,000 sq ft with 5% casting margin.
Astral Underground Compressive Strength Development
Simulate hydraulic compressive strength development across the standard 28-day water curing cycle under IS 4031 testing guidelines.
Bureau of Indian Standards (BIS) Benchmark Matrix
PHYSICAL & CHEMICAL AUDIT CRITERIA AS PER IS 4031 & IS 4032
| PROPERTY | IS 12269 (GRADE 53) | IS 8112 (GRADE 43) | IS 1489 (PPC) |
|---|---|---|---|
| 3-Day Compressive Strength | ≥ 27.0 MPa | ≥ 23.0 MPa | ≥ 16.0 MPa |
| 7-Day Compressive Strength | ≥ 37.0 MPa | ≥ 33.0 MPa | ≥ 22.0 MPa |
| 28-Day Compressive Strength | ≥ 53.0 MPa | ≥ 43.0 MPa | ≥ 33.0 MPa |
| Initial Setting Time | ≥ 30 mins | ≥ 30 mins | ≥ 30 mins |
| Final Setting Time | ≤ 600 mins | ≤ 600 mins | ≤ 600 mins |