Materials

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Materials Services Offred Standard Services

Materials

Materials Laboratory provides testing services to materials for their physical and chemical parameters. Main testing material categories are cement, metals, rubber, plastic, footwear, wood and cellulose, paint and adhesives, paper and packaging. Material laboratory follows international and local standards such as ISO, SLS, BS, EN and ASTM for their testing methods. In addition to standardize services, customize services are also provided by the lab.

 

Laboratories

 

Materials Laboratory has different types of other labs to support various testing services. Main laboratories are;

  • Metal lab
  • Cement lab
  • Chemical lab
  • Rubber and footwear lab
  • Plastic and PVC lab
  • Paint and adhesive lab
  • Wood and cellulose lab
  • Paper and packaging lab

 

Instruments

 

Cement Lab

 

Compression testing machine

Humidity cabinet

 

Metal Lab

 

Universal testing machine up to 900 kN

Bending machine

Rockwell hardness machine

Vicker’s hardness machine

 

Chemical lab

 

Arc spark optical emission spectroscopy(OES)

Carbon sulpher analyzer

Atomic absorption spectroscopy (AAS)

 

Rubber and footwear Lab

 

Universal testing machine

DIN abrasion machine

Digital hardness tester

Shoe flexing machine

 

Plastic and PVC lab

 

Universal testing machine

 

Paint and adhesive lab

 

Brookfield viscometer

Wet abrasion

Automatic paint film applicator

Glossmeter

Pensky Martens flash point tester

Services Offred

Accredited Test Services

The accredited test services are accredited by Sri Lanka Accreditation Board (SLAB) with ISO 17025:2017.  All testing equipment are regularly checked using reference standard materials and intermediate checks to ensure the accuracy of test results.

 

Category Testing Area Parameters
Construction Materials

Cement
  • Compressive Strength2 days
  • Compressive Strength28 days
  • Setting Time
  • Soundness
  • Loss on ignition
  • Insoluble residue
  • Sulfate
  • Chloride
Metals

Reinforcement Steel
  • Mass per meter
  • Yield Strength
  • Tensile Strength
  • Tensile Strength to Yield Strength Ratio
  • Re-Bend Test
  • Total Elongation at break
  • Bend Test
  • Chemical Composition and Carbon Equivalent Value
Rubber and footwear

Rubber
  • Abrasion Resistance of Rubber
  • Compression Set
  • Density of Rubber
  • Hardness “IRHD N”
  • Hardness “Shore A”
  • Heat Ageing
  • Tensile Properties of Rubber

Standard Services

Other Test Services

Materials Laboratory supports industry in quality control to achieve their goals successfully through carried out test services. Our test services area follow below international and local standards.

  • ISO
  • SLS
  • British Standards (BS)
  • European Standards (EN)
  • American Standards (ASTM)

 

Category Testing Area Parameters
Construction Materials
  • Aggregate
  • LAAV
  • AIV
  • Sieve analysis
  • Flakiness index
  • Concrete
  • Strength
  • Tile adhesive and grouts
  • Testing according to ISO 13007
  • Admixtures
  • Setting time
  • Specific gravity
  • Mineral and clay
  • Chemical composition
  • Roofing tiles
  • Testing according to SLS 2016
Metals
  • Plain steel bar
  • Mass per meter
  • Tensile strength
  • Yield strength
  • Elongation at break
  • Chemical composition
  • Structural steel (“L” angles, “C” purlin, “W” beam, etc.)
  • Tensile strength
    Yield strength
    Elongation at break
    Dimensions
    Rockwell hardness
    Vicker’s hardness
    Chemical composition
  • Galvanized product (GI pipes, GI wire, GI sheets, etc.)
  • Tensile strength
    Yield strength
    Elongation at break
    Dimensions
    Zinc coating mass and thickness Chemical composition of coating
  • Zn/Al coated sheets
  • Tensile strength
    Yield strength
    Elongation at break
    Zn/Al coating mass and thickness Paint coating thickness
    Chemical composition of coating
Chemical Analysis
  • Ceramic and glass table ware
  • Pb and Cd percentage
Metal and Steel Chemical composition Identification of SS grade
  • Aluminium, copper
 Purity
Cement and cement based products
Clay and minerals
Water for construction
Fly ash and bio ash
Admixture and aggregate		 Chemical analysis
Wood and Cellulose Wood Janka hardness
Bending test
Tensile strength
Flexural strength
Shear test
Nail withdrawal
Water absorption and swelling
Wooden doors Fire resistance
Medicinal textiles Testing of;
Cotton wool
Cellulose wadding
Bandages
Adhesive plasters
POP plasters
Cotton gauze
Cotton lint
Sanitary napkins
Biomass fuels Testing of;
Coal
Coconut shell charcoal
Wooden charcoal
Firewood
Rubber, Footwear and plastic Rubber Material identification
Tension set
Tear resistance
Effect of liquid
Water and oil absorption
Surgical and examination gloves Physical testing according to EN 455
Condoms Physical testing according to ISO 4074
Gas hose and regulators Pressure test Soundness
Footwear Flexing
Water absorption/penetration
Sloe adhesion
Upper sole bonding adhesion strength
Dimensions and Thickness
Resistance to impact
Resistance to penetration
PVC Material identification
Thickness and dimension
Tensile strength and elongation
Tear resistance
Puncture resistance
Heat resistance
Conduits Mechanical strength
Resistance to impact
Thermal properties
Geo Textile Thickness and mass
Static puncture and puncture resistance
Tensile strength and elongation
Grab strength and elongation
Trapezoidal tearing strength
Fiber glass Glass content
Tensile strength
Flexural strength
Tooth brush Testing according to SLS 276
Paint and adhesives Emulsion Paints Testing according to SLS 533, SLS 557
Enamel Paints Testing according to SLS 539
Other paints Testing according to SLS 918, SLS 1145, SLS 920
Floor paints Testing according to SLS 1241
Thinner, lacquers and varnish Testing according to SLS 749, SLS 558, SLS 953
Wall filler and putty Putrifaction
Check cracking
Solvent Cement Application properties
Film properties
Bond strength
Hydrostatic burst strength
Road marking Testing according to SLS 895
Shoe polish Testing according to SLS 126
Oil Creosote Testing according to BS 144
Oil and oil based products Viscosity
Flash point
Density
Mineral Granite Testing according to ASTM C 170

 

Customized Services

 

Materials Laboratory provides customized solutions for problems in industrial process, product developments, improvements and preparation of specification for products.

 

  • Concrete Mix Design

 

Materials Laboratory provides concrete mix design services to construction organizations.

 

  • Load Tests

 

Materials Laboratory provides load test services up to 900 kN.

 

  • On site Tests

 

Materials Laboratory provides onsite tests according to the customer requirement.

 

  • Test services for researches

 

Materials Laboratory provides test services for researches according to the customer requirement.

 

Product Specification Preparation

 

Materials Laboratory provides tailor-made solution for requirement of specifications for purchasing and technical consultancy for the conformity of products. According to customer requirements and their applicable conditions material laboratory provides the specification preparation services for their purchasing requirements and technical consultancy services to analyze those products. Some of our customers from the public sector are;

  • Sri Lanka Army
  • Sri Lanka Air Force
  • Sri Lanka Navy
  • Sri Lanka Police
  • Forest Department
  • Department of Prison

 

Contacts

Mr. A A M T Adikari
Director / Principal Research Engineer
Ms.C N Vitharana
Research Engineer
Ms. P A A S Karunarathne
Research Engineer
Mr. K K K H Amaranayake
Research Scientist
Mr. L S R Widuranga
Research Engineer
Ms. M V K Munasinghe
Research Scientist