Laboratory Chemist - Construction Chemicals & Cement Grinding Aid
nextjobz
Not disclosed
Full Time (On-site)
Not Applicable
1 position
Sonargaon Upazila, Dhaka, Bangladesh
Job Description
Company Name: Castech Bangladesh
Location: Narayanganj (Sonargaon)
Job Type: Full-Time
Workplace Type: Full-time
Job ID: IJOB202668867
Department: QC / Laboratory / R&D
Reports To: QA/QC Manager / Technical Manager
Main Purpose of the Position
Location: Narayanganj (Sonargaon)
Job Type: Full-Time
Workplace Type: Full-time
Job ID: IJOB202668867
Department: QC / Laboratory / R&D
Reports To: QA/QC Manager / Technical Manager
Main Purpose of the Position
- To perform laboratory testing, quality control, product development, formulation trials, and technical evaluation of construction admixtures and cement grinding aids, ensuring that raw materials and finished products consistently meet company specifications and required performance standards.
- Inspect and test incoming raw materials according to approved specifications.
- Check physical and chemical properties of raw materials used for admixture and grinding-aid production.
- Approve or reject raw materials based on test results and company specifications.
- Maintain complete records of raw-material testing.
- Evaluate new raw materials and alternative suppliers.
- Report any abnormal or out-of-specification raw material to the QA/QC Manager.
- Test finished admixture products according to approved specifications and SOPs.
- Perform tests such as appearance, density/specific gravity, pH, solids content, viscosity, and other applicable parameters.
- Conduct concrete/mortar performance tests where required.
- Check admixture dosage and its effect on concrete performance.
- Evaluate workability/slump, slump retention, setting time, water reduction, and compressive strength as applicable to each product.
- Check batch-to-batch consistency.
- Release finished products only after required QC tests are completed and approved.
- Conduct laboratory evaluation of cement grinding-aid products.
- Test different grinding-aid formulations and dosages.
- Evaluate the effect of grinding aid on cement grinding performance.
- Monitor cement properties such as fineness, setting time, strength development, and other applicable parameters.
- Conduct comparative trials against existing products or competitor/reference products when required.
- Maintain records of grinding-aid trials and test results.
- Assist the technical team in optimizing grinding-aid dosage and formulation.
- Assist in development of new construction admixture and cement grinding-aid formulations.
- Conduct laboratory-scale formulation trials.
- Optimize formulations for performance, stability, and cost.
- Evaluate new chemicals and raw materials for potential use.
- Maintain formulation and trial records.
- Conduct stability and compatibility studies where required.
- Support scale-up from laboratory trial to production batch.
- Keep formulation information confidential.
- Experience:
- Education: bachelor of science in chemistry
- Skills: laboratory management, quality control, quality control procedures, laboratory skills, laboratory testing, laboratory technicians, laboratory procedures, quality control standards, knowledge of quality control
Requirements
Company Name: Castech Bangladesh
Location: Narayanganj (Sonargaon)
Job Type: Full-Time
Workplace Type: Full-time
Job ID: IJOB202668867
Department: QC / Laboratory / R&D
Reports To: QA/QC Manager / Technical Manager
Main Purpose of the Position
- To perform laboratory testing, quality control, product development, formulation trials, and technical evaluation of construction admixtures and cement grinding aids, ensuring that raw materials and finished products consistently meet company specifications and required performance standards.
Raw Material Testing
- Inspect and test incoming raw materials according to approved specifications.
- Check physical and chemical properties of raw materials used for admixture and grinding-aid production.
About Company
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nextjobz
Dhaka
5095
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About Company
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