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Plastic and Rubbers
Rubber and Plastics, a section of Analytical Science Division of Shriram Institute, is engaged in testing and research in the field of polymers.

Polymers comprises broad spectrum of materials including Plastics, Rubber, Resins and Fibers. They find application in various sectors of life from domestic to strategic applications. Testing and characterization of polymers are important to assess the quality and performance of materials and products made of them. We offer broad range of testing and research services to customers from various sectors.

Our Customers Include

Product/Raw material manufacturing industries that want to test their Product or Raw material for certification, research, identification of the nature or composition of competitors/market-picked products.
Govt. agencies/Independent agencies who want to ensure the quality of incoming materials.
Research organizations that want to characterize materials for research.

Services We Offer

Consulting services for the diagnosis and technical evaluation of processes and products, solution of problems in situ.
Characterization of polymeric materials.
Research & development projects.
Contractual projects for troubleshooting, problem solving and technology development.
Development of new testing facilities/methods as per customer requirements.
Quality control testing and certification.
Site Inspection and Certification.
Third party quality checks.
Setting up of the new laboratories and development and implementation of quality systems.
Inspection and quality checks of polymeric products for exports, Government supply and vendor development

Testing Services For Plastics, Rubber, Resins And Adhesive Materials

Routine Tests

Mechanical
- Tensile properties (Tensile Strength, Modulus, Elongation)
- Flexural Properties (Flexural Strength, Modulus)
- Hardness (Shore Hardness, Rockwell, IRHD)
- Compression strength, Bulk modulus
- Izod Impact strength
- Tear Strength
- Abrasion Resistance
- Adhesive properties (Peel, Shear)
Physical
- Density
- Specific Gravity
Thermal
- Thermal Analysis (DSC, DTA, TGA)
- DSC (Melting point, Glass Transition, Specific heat, Heat capacity, Crystallinity, Oxidation Induction Time)
- TGA (Filler content, Weight loss, Thermal Stability, Acetate content of EVA)
- Coefficient of thermal Expansion HDT (Heat Distortion Temp.) & VSP (Vicat Softening Point)
- Thermal Stability and Reversion of PVC pipes
Rheological
- MFI (Melt Flow Index)
- Intrinsic Viscosity
- Brook field Viscosity
Chemical
- Identification and Decoding of Polymeric raw materials and Products
- Filler content/Carbon Black content
- Filler analysis
- Plasticizer Content
- Nitrogen content
- Moisture content
- Volatile Matter
- Migration tests for food and medicine packages
- Trace elemental analysis in polymers etc.
- Resistance to chemicals, acids, and alkalis
- Water Absorption
- Total solids
- Loss on heating
- Effect of liquids (Ageing of Rubber in Oil/Emulsions/Other Fluids )
- Ageing studies (Air/Humidity)
- Environmental Stress Cracking
- Trace elements (Pb,Cd,Sn,Hg,Mn,Fe,Cu etc)
- Acid value, Amine value, KOH number
- Rubber Hydrocarbon Content
- K value of PVC
- HCL gas generation
- Resistance to staining
- Total/ Free Sulfur content in Vulcanized Rubber
Electrical
- Dielectric Strength
- Dissipation Factor
- Surface/Volume Resistivity
- Insulation Resistance
- Antistatic Properties
Optical
- Gloss
- Transmittance
- Delta E values
- Yellowness Index
Weathering Tests
(Colour fastness, Change in physicomechanical properties)
- Xenon Arc Weatherometer - BetaLM
- UV condensation
- Natural Weathering
Special Tests
- Flammability test (UL and other National and International Standards)
- Limiting Oxygen Index
- Smoke Density
- MVTR (Moisture Vapour Transmissions Rate)
- Ozone Resistance Test

Sample Preparation Facilities for Rubber and Plastics
We have Injection Moulding, Compression Moulding, and Machining facilities for preparation of samples as per IS/ASTM/ISO/DIN standards for Thermoplastics, Thermosets and Rubber Materials. For blending and mixing we are equipped with Extruders and Two-roll mill.

Product Testing
We also carry out testing of various polymeric products and raw materials as per relevant IS/ASTM codes.

Flexible Packaging
- Polyethylene Films and Bags
- Multilayered X-laminated films
- Plastic Containers
- Plastic labels
- EPS foams

Automobiles - Plastic Components - Rubber Components - Upholstery parts (Foam, Trims etc) - Cable and Underhood Parts - Weathering of Polymeric Parts - Thermal cyclic tests - Coatings	Flexible Packaging - Polyethylene Films and Bags - Multilayered X-laminated films - Plastic Containers - Plastic labels - EPS foams
Building and Construction Materials - PVC Pipes - Rubber Hoses - Window profiles and furniture - Floor tiles & roofs - Water proofing membranes - Water Stops - Wood Laminates	Medical - Blood Bags - Syringes - Surgical Tapes - Surgical Bandages - Contraceptive Devices - Sutures - Surgical Gloves
Adhesives, Sealant - Latex Type Adhesives - Solvent Based Adhesives - Industrial Sealant - Wood Adhesives - Adhesive Resins - Pressure Sensitive Tapes	Strategic Application Industries - Aerospace and Aircraft Parts - Ship & Boat Parts - Parachute Ropes - Geotextiles & Geomembranes
Other Prouducts - Automotive Tyres, Tubes - Bladders - Rubber Hoses - Rubber Rings - Flexible and Rigid Foams Products - Fiber Reinforced Plastic Products - Polyethylene Cane - Geogrid


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