We offer testing services for cement that is used in construction works. With the help of our dedicated and highly qualified team, we offer these cement testing services utilizing modern equipments and techniques. We offer testing services for the following variations of cements:

• Magnesium oxychloride cement flooring composition for railway coaches & in-situ flooring (general)
• Magnesium oxychloride flooring tiles
• Magnesium oxychloride cement door and window frames
• Lime sludge based masonry cement
• New formulations of acid resistant cement
• Slag cements from high manganese slags
• Slag-flyash-gypsum metallurgical cement
• Mineralisers for low temperature cement clinker
• Masonry cement from mine tailings of zinc
• Vertical shaft cement plant ( design & technology )
• Formulations of slag cements
• Mini cement plant ( design & technology )
• Precalcinator ( in cement plant ) ( Upto 1200 TPD )
• Cement based non - shrink grout
• Cement kiln burner for high ash coal
• Cement kiln lining - magnesia spinelide refractory
• Cement kiln - high insulating bricks
• Cement plant - vertical shaft preheater
• Precalcinator

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Being a reputed service provider, we provide sand testing services of steels. With the help of mortar mixture, chromatograph, bitumen extractor, vernier and others, we test our range on the basis of its quality. We have a well equipped mechanical lab that helps in testing our range on the basis of:

• the amounts of silt and clay in the sand,
• total porosity,
• water retention and others

However, every superintendent have a next of soil sieves and an accurate scale to monitor the consistency of sizing of the sand being delivered for top dresssing and topping off bunkers.

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We offer steel testing services that is used in construction and building materials. Our lab analyst, engineers and other workfo9rce helps us in testing steel on the basis of following parameters:

• Quality
• Resistance to corrosion

We offer this for the following variations:

• Steel fibre reinforced concrete
• Steel

Mechanical Parameters:
 
Tensile Strength, Bend, Dimensions, Yield Stress, Reband Elongation, Hardness, Grain Size, Impact Strength, Corrosion Resistance, Weight per Meter, Non Destructive test, Internal defects, Wall Thickness, Surface defects, Coating Thickness, Microstructure, Salt Spray/CASS test, Grain Size, Case Depth, Decarburization, Inclusion Rating. Protocols we are followed at DTH ASTM, EN, JIS, ISSAE & other international standards.

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We provide a wide array of brick testing services that helps in meeting the construction needs of our clients. Our brick testing services includes:

• Sand lime bricks
• Fly ash based building block
• Sand lime bricks
• Clay fly ash bricks
• Stabilized soil brick
• Building bricks from alumina red mud
• Sand - lime bricks ( technology)
• Insulating bricks from rice husk ash
• Low thermal mass kiln for bricks / tiles
• Late rite stabilized bricks

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We provide soil testing services that helps in meeting the varied demands of our clients. The basic objective of the soil-testing is to give farmers a service leading to better and more economic use of fertilizers and better soil management practices for increasing agricultural production. We test our range on the basis of following property testing:

• pH
• Electrical conductivity
• Organic carbon
• Calcium carbonates

Major Nutrients Testing

• Available nitrogen
• Available posphorus
• Available potassium
• Calcium
• Magnesium
• Sulphur

Micro Nutrients Testing

• Ferrous
• Zinc
• Copper
• Mangnese
• Boron

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We offer G.I. barbed wire testing services on the basis of elongation, strength, resistance and others. Our expertise helps us in offering these services with the help of modern equipments and mechanical laboratories. We offer wire testing services for varied electrical materials. These are available at cost effective market prices.

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We have complete in house facility to execute various jobs related to fertilizer testing, that is a substance added to soil to improve plants' growth and yield. First used by ancient farmers, fertilizer technologies developed significantly as the  needs for growing plants were discovered. This helps in:

• Bulk analysis of the fertilizers
• Identification of the unknown chemicals
• Ultra Trace metal analysis in the chemicals

Testing Parameters :

pH Value Specific Gravity Purity  Volatile Matter  Moisture  Density  Trace Metal  Solubility  Acidity  Alkalinity  Available Chlorine Ion Exchange Capacity Total Nitrogen

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We provide food testing facilities for food products which include foods to agricultural commodities. With the help of advanced testing procedures, we test the food products during its processing and production.This ensures safety of our range throughout the production process.The food processor tests for specific types of bacteria and can choose among culture tests, gene probes, manual immunoassay and instruments (automated immunoassay). The difficulty of this task can be managed with the assistance of a strong national and international partner that can operate in a global marketplace and knows all facets of GMO analysis. In today's demanding market, DTH has proven it is the worldwide leader in providing Testing of food, feed, dairy and agricultural products support services.

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We offer a wide array of metal and alloy testing with the help of our team. DTH plays a vital role and certifying all types of components of metal & alloys by various methods like chemical, mechanical non destructive testing. These includes: steel, alloys, ferrow alloys, pipes,brass, bronze, precious metals like gold and silver.
Testing Parameters:

• Chemical Parameters: Carbon, Chromium, Molybdenum, Zinc, Sulphur, Vanadium, Tungsten, Lead, Phosphorous, Boron, Iron, Cadmium, Manganese, Niobium, Copper, Silicon, Nickel, Coralt, Titanium, Aluminum, Selenium, Tellurium, Beryllium, Arsenic, Gold, Silver, , Palladium, Tin, Antimony, Strontium, Bismuth, Mercury, Zirconium, Magnesium & Mercury
• Mechanical Parameters: Tensile Strength, Bend, Dimensions, Yield Stress, Reband Elongation, Hardness, Grain Size, Impact Strength, Corrosion Resistance, Weight per Meter, Non Destructive test, Internal defects, Wall Thickness, Surface defects, Coating Thickness, Microstructure, Salt Spray/CASS test, Grain Size, Case Depth, Decarburization, Inclusion Rating.
• Protocols we are followed at DTH ASTM, EN, JIS, ISSAE & other international standards

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We provide a wide range of crude oil, petroleum products testing services through a global laboratory network staffed with experienced petroleum chemists and equipped with modern and advanced instrumentation. These includes:

• Crude oil quality tests
• Petroleum, refined products and petrochemicals
• Insulation oil (Trt. Oil), petroleum, fuels, chemical, refined products, coal products and more tested and inspected by DTH includes
• We analyze the petroleum products on the basis of following parameters:
  • Density
  • Viscosity
  • Sulphur and ash content
  • Pour point
  • Oxygen
  • Softening point
  • Smoke point
  • Melting point
  • Resistance
  • Interfacial tension
  • Inherent moisture and others


• Fuel test methods include
  • ASTM Fuel Test Methods
  • IP Fuel Test Methods
  • DIN Fuel Test Methods
  • ISO Fuel Test Methods 
  • Other

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We have complete in house facility to execute various jobs related to wood & wood products. We specialize in wood products testing Services as wood is a valuable raw material and its widely used in furniture, packaging & construction. To ensure the quality of wood our laboratory provides quality checks facilities.

Products Tested For Wood

• Timber
• Plywood
• Particle board
• Door shutter
• Block board
• Parameters Tested For Wood

Plywood: Dimensions, Glue shear, Mycological test, Water resistance, Moisture and Adhesion of plies
Timber: Moisture, Density, Nail holding, Screw holding and Tensile strength
Door Shutter: Dimension, Knife test, End immersion, Glue adhesion, Moisture, Squareness, Flatness, Planeness test, Impact indentation, Flexure test, Edge loading test, Shock resistance test, Buckling test, Slamming test, Misuse test, Varying humidity test, Screw withdrawal strength
Block Board: Adhesion of Plies, Dimensional change, Mycological test, Dimensions
Particle / Bound / Pre-laminated Particle Board:

• Resistance to steam
• Dimension
• Water absorption
• Resistance to crack
• Density
• Swelling in water
• Resistance to stains
• Resistance to water and others

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We are providing a commercial service to exploration and mining companies by offering a wide array of ore and mineral testing services. Test work includes trouble shooting for existing operations, development of processes for treating new ore bodies, or providing data for bankable feasibility studies. The laboratory staff has extensive experience including mine site operational experience. Mineral and ore testing is done on the following basis:

• Quantity control.
• Inspection & sampling
• Quantity and quality verification
• Umpire analysis
• Mine site sampling
• Performance testing

Minerals Testing Parameters

• Loss on ignition
• Iron oxide
• Silic
• Alumina
• Calcium oxide
• Magnesium oxide
• Titania
• Manganese oxide
• Sodium oxide
• Potassium oxide
• Phosphorous pentoxide
• Chlorides
• Barium oxide Sulphates
• Acid solubles
• Water solubles
• Electrical conductivity
• pH
• Total Moisture
• Inherent moisture
• Ash
• Volatile matter
• Gross Calorific value & Sulp

Mineral and Ore Testing Protocols followed

• International standards (ISO)
• Indian Standards (IS)
• American standards (ASTM)
• Standard reference books

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