Precision QC & Compliance Matrix
Quality is not an afterthought at Nexus Chemico Industries — it is engineered into every raw material batch, automated mixing cycle, and destructive shear pull-off test in Morbi, Gujarat.
4 Pillars of Blending Precision
Our multi-stage quality control protocol ensures every bag dispatched from Morbi meets the highest structural standards.
Raw Polymer Spectrometry
High-purity redispersible polymer powders, chemical cross-linkers, and quartz silica sand are audited for moisture content (<0.5%) and exact chemical purity.
Rheological Slump Calibration
During automated blending, slurry wet density, Brookfield rotational viscosity, and thixotropic shear yield are calibrated for effortless trowel glide.
Destructive Pull-Off Testing
Digital 50 kN hydraulic pull-off machines test tensile adhesion across initial dry state, after 21 days water immersion, and following 70°C heat aging.
Moisture-Barrier Packaging
Automated bagging with check-weigher auditing and hermetic multilayer lamination protects powder formulations against tropical humidity and premature hydration.
IS 15477 : 2019 Comprehensive Compliance Matrix
| Testing Parameter | IS 15477 Minimum Requirement | Nexus Chemico Lab Standard | Compliance Status |
|---|---|---|---|
|
Tensile Adhesion (Dry State @ 28 Days)
Fixed on standard concrete slab substrate
|
≥ 1.00 N/mm² (Type 2) | ≥ 1.50 - 2.20 N/mm² | ✓ EXCEEDS BY +50% |
|
Tensile Adhesion (After Water Immersion)
Tested after 21 days continuous underwater immersion
|
≥ 0.80 N/mm² | ≥ 1.20 - 1.60 N/mm² | ✓ WATERPROOF RATED |
|
Tensile Adhesion (After Heat Aging @ 70°C)
Simulates high-temperature exterior facade exposure
|
≥ 0.80 N/mm² | ≥ 1.30 - 1.70 N/mm² | ✓ THERMAL RESISTANT |
|
Vertical Slip Resistance (Thixotropic Sag)
Tested on vertical wall with large format tile
|
≤ 0.50 mm | 0.0 mm (Zero Sag) | ✓ ZERO VERTICAL SLIP |
|
Open Time Adhesion @ 30 Minutes
Tensile pull test after 30 min ambient exposure
|
≥ 0.50 N/mm² | ≥ 0.85 N/mm² | ✓ EXTENDED OPEN TIME |
|
Transverse Deformability (S2 Class)
Required for 3.2-meter slim mega format porcelain slabs
|
≥ 5.0 mm | ≥ 6.5 mm (High Elasticity) | ✓ S2 MEGA SLAB READY |
Testing Equipment & Calibration
Pull-Off Adhesion Tester
Calibrated digital pull apparatus testing bond tenacity directly on concrete screeds and vitrified tiles.
Environmental Climate Chamber
Simulates extreme tropical heat, freeze-thaw cycles, and water immersion to verify long-term weather resistance.
Brookfield Rheometer
Monitors thixotropic shear thinning, pot life stability, and effortless mortar spreading under the notched trowel.
Precision Sieve Shaker Unit
Validates exact particle size distribution to ensure interlocking mortar density without micro-porosity.