Rubber & Plastic

Rubber & Plastic

Rubber and Plastics is a state-of-the-art laboratory  of Analytical Science Division of Shriram Institute, is engaged in testing and research in the diverse field of polymers.

Polymers comprises broad spectrum of high molecular weight materials including Plastics, Rubber, Resins and Fibers. They find application in various sectors of life from domestic, engineering  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 cutting-edge testing and research services to customers from various sectors.

Our Customers Include

• Product/Raw material manufacturing industries for certification, research & development, optimization & validation, technology commercialization reverse engineering of competitors/market-picked products.
• Govt. agencies/decision & policy makers/ Third Part or Independent agencies to ensure the quality of materials conforming to certain standards or specifications.
• Various national or international Research organizations to characterize materials for research & development.

Services We Offer

• Testing & Characterization of polymeric materials as various national and international standards such as BIS, ASTM, ISO, DIN, DIN EN, DIN EN ISO, BS EN. JIS, AS NZS etc.
• Consulting services which include diagnosis and technical evaluation of processes and products for optimization, validation, cost effectiveness and eco-friendly solution.
• Time-bound and result-oriented 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
• Capacity and capability Training and skill development programme for QA & QC personnel, Supervisor, Mangers engaged in technical service and manufacturing sectors.

Testing  Services offered

Routine Tests

Mechanical

• Tensile properties (Tensile Strength, Modulus, Elongation)
•   Flexural Properties (Flexural Strength, Modulus)
•    Elongation at break or yield
• Hardness (Shore Hardness, Rockwell, Vicker,Barcol,IRHD)
• Compression strength, Bulk modulus
• Izod Impact strength
• Drop Impact strength
• Tear Strength
• Abrasion Resistance
• Peel at 90° & 180° (Adhesive properties)
• Shear Strength (Adhesive properties)

Physical

• Visual appearance
• Density
• Specific Gravity

Thermal

• DSC (Melting point, Glass Transition, Specific heat, Heat capacity, Crystallinity, Oxidation Induction Time)
• TGA (Filler content, Weight loss, Thermal Stability, Acetate content of EVA)
• Simultaneous DTA-TGA
• Coefficient of thermal Expansion , HDT (Heat Distortion Temp.) & VSP (Vicat Softening Point)
• Thermal Stability and Reversion of PVC pipes

Toxicity & Flammability

• Flammability/ Fire resistance
• Deterioration of visibility due to smoke
• Smoke density
• Spread of flame
• UL 94 Flammability
• Fire exposure test of CPVC sprinkler pipe
• Toxicity

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
• Carbon Black Dispersion
• Filler analysis
• Polymer/resin content
• 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
• Opacity
• Delta E values
• Yellowness Index
• Brightness and Apparatus

Sample Preparation Facilities for Rubber and Plastics as per relevant BIS, ASTM, ISO, DIN, DIN EN, DIN EN ISO, BS EN. JIS, AS NZS codes

• Microprocessor based Injection Moulding,
• Compression Moulding,
• Extruders (For blending and mixing)
• Two-roll mill (For blending and mixing)
• Compounding/recycling Plant
• High Frequency Plastic Sealing
• Rubber Kneader
• Machining facilities

ProductTesting

We also carry out testing of various polymeric products and raw materials as per relevant BIS, ASTM, ISO, DIN, DIN EN, DIN EN ISO, BS EN. JIS, AS NZS codes.