Laboratory & Quality Control
Tested. Verified. Trusted.
A well-equipped in-house laboratory conducting routine testing of every raw material and concrete mix — governed by a Quality Management System based on ISO 9001:2015.
Overview
Quality, Controlled In-House
Safe Mix operates a well-equipped in-house laboratory conducting routine tests on raw materials and on every concrete mix, governed by a Quality Management System based on ISO 9001:2015.
Managed by the Technical Manager, all QC personnel are trained and qualified, with periodic training on codes and standards.
Method 01
In-House Testing
Routine daily and weekly tests on raw materials and final product within the Safe Mix laboratory.
Method 02
Independent Testing
Periodic verification through an approved external EIAC-accredited laboratory.
The QC Team — Led by the Technical Manager
01Lab Engineers
02QC Engineer
03Lab Technicians
04Lab Assistants
05Site Supervisors
Testing Matrix
In-House & External Testing.
Every raw material and the final product is tested to recognised international standards — routine checks in-house, full chemical & durability analysis at an accredited external laboratory.
Ordinary Portland Cement
ExternalEvery 6 MonthsBS EN 196
Chemical
LOISiO₂Al₂O₃Fe₂O₃CaOMgOSO₃ClC₃A · C₂S · C₃S · C₄AFTotal Alkalis
Physical
BlaineSoundnessConsistencySetting TimeCompressive Strength
GGBS Slag
ExternalEvery 6 MonthsBS EN 196
Chemical
LOISiO₂CaOMgOSO₃Sulfide SChemical ModulusCaO/SiO₂
Physical
BlaineSoundnessSetting TimeMoistureCompressive Strength
Silica Fume
ExternalEvery 6 MonthsASTM C1240
Chemical
SiO₂CarbonFe₂O₃Alkali Na₂O eq.ClSO₃LOI
Physical
Moisture45µm ResiduePozzolanic IndexCompressive StrengthBulk Density
Aggregates
In-House + External
In-House · Daily / Weekly
Moisture ContentSieve AnalysisSpecific GravityWater AbsorptionFlakinessElongationBulk Density
External · Every 6 Months
Organic ImpuritiesClay LumpsSoundnessACVAIVLA AbrasionChloride / SulphateASR
Admixtures
In-House + ExternalASTM C494 / EN 934-2
External · Every 6 Months
Chemical PropertiesPhysical Properties
In-House · Per Delivery
Specific Gravity (each delivery)
Hardened Concrete — Durability
External
Durability Tests
Water Absorption — BS 1881-122Water Permeability — DIN 1048-5ISAT — BS 1881-208Acid Soluble Sulphate — BS 1881-124Acid Soluble Chloride — BS 1881-124
Quality Control
Block Testing & Equipment Calibration.
Concrete Block Tests
Visual Checking
Continuous
Dimension Check (L×B×H)
Daily
Density & Compressive Strength
Daily
Apparent Density (Thermal)
Daily
Drying Shrinkage
Quarterly
Thermal Conductivity
Annually
Calibration Evidence
Pass
Certificate
Concrete Batching Plant
Cert No.GCLC/MINS40710.01/2026
AssetPlant-03 · Jebel Ali
Calibrated14 Jan 2026
Due13 Jul 2026
Issued ByGCLC · EIAC-accredited
Mix Design Process
From Specification To Verified Mix.
1
Study Specs
Analyze raw materials, required strength, durability & cementitious ratios.
2
Lab Trials
Laboratory trials on the proposed mix design.
3
Plant Trial
Plant trial on proportions from the laboratory.
4
Fine-Tune
Adjustments return to the lab for revision.
5
Records
Batched concrete logged with delivery note.
Certified & Accredited
ISO 9001
Quality
ISO 14001
Environment
ISO 45001
Health & Safety
DCL
Product Conformity
GCLC
EIAC Calibration
EIAC
External Testing