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Hari Shankar Singhania Elastomer And Tyre Research Institute
Analytical & Chemical Analysis
| A. Polymer | ||
| Sl No | Test Name | Standard Method |
| 1* | Dirt Content | ASTM D1278 |
| 2* | Ash Content | ASTM D5667 |
| 3* | Heat Loss | ASTM D5668/ISO 248 Part 2/ISO 248 Part 1 |
| 4* | Microstructure of BR (Cis content ) | IS 10016 (part 4) |
| 5* | Microstructure of SBR (Cis, trans, vinyl content ), bound styrene content | ISO 21561 -1 |
| 6* | Nitrogen Content | ASTM D2227-96/ ISO 1656/ISO 19051 |
| 7* | Molecular weight distribution | ASTM D6474 |
| 8 | Moisture by KF Titrator | - |
| 9* | Mixed Organic acid content | ASTM D5774/ISO 7781 |
| 10* | Soap content | ASTM D5774/ISO 7781 |
| 11* | Acetone extraction | ASTM D5774 |
| 12* | Oil Content | ASTM D5774 |
| 13* | Ethylene Toluene Extract | ASTM D5774 |
| 14* | Glass transition temperature | ASTM D7426 / ASTM E1356/ISO 22768 |
| 15* | Metal content | ASTM D4075ISO 19050 |
| * Tests under NABL scope | ||
| B. Reinforcement Filler: Carbon Black | ||
| Sl No | Test Name | Standard Method |
| 1* | Oil Absorption Number | ASTM D2414/ISO 4656 |
| 2* | Pour density | ASTM D1513 |
| 3* | Iodine Adsorption Number | ASTM D1510/ISO1304 |
| 4* | Heat Loss | ASTM D1509/ISO 1126 |
| 5 | Residue @ 325 mesh | ASTM D1514 |
| 6 | Residue @ 35 mesh | ASTM D1514 |
| 7* | 5’ fines through 120 mesh | ASTM D1508/ISO 1437 |
| 8 | Pellet hardness | ASTM D5230 |
| 9* | Ash | ASTM D1506/ISO 1125 |
| 10* | Nitrogen Surface Area | ASTM D6556/ISO 18852 |
| 11* | pH | ASTM D6739-11 |
| 12* | Toluene discolouration | ASTM D1618/ISO 3858 |
| 13* | Sulfur content | ASTM D1619/ISO 1138 |
| 14* | Toluene Extractable | ASTM D4527-99/ISO 6209 |
| 15* | Crushed Oil Absorption Number (24M 4) | ASTM D3493 |
| 16* | Tint strength | ASTM D3265/ISO 5435 |
| * Tests under NABL scope | ||
| C. Reinforcement Filler: Silica | ||
| Sl No | Test Name | Standard Method |
| 1* | Heat Loss | ASTM D6738 |
| 2* | pH | ASTM D6739 |
| 3* | Ignition Loss | ASTM D1208 |
| 4* | SiO2 Content | ASTM D297 |
| 5 | Sieve Residue | ASTM D5461 |
| 6* | Nitrogen Surface Area | ASTM D1993 |
| 7 | Conductivity | ASTM C408 |
| 8 | Pour Density | ASTM C905 |
| * Tests under NABL scope | ||
| D. Semi Reinforcement Filler | ||
| Sl No | Test Name | Standard Method |
| 1* | Ignition loss | ASTM D1208 |
| 2* | Heat loss | ASTM D6738 |
| 3 | Moisture content | By KF moisture analyzer |
| 4* | HF Solubility | ASTM D297 |
| 5* | pH | ASTM D6739 |
| 6 | Sieve residue | ASTM D5461 |
| 7* | Metal content as other minerals e.g. Fe, Cu and Mn | ASTM D2969 |
| * Tests under NABL scope | ||
| E. Non Reinforcement Filler | ||
| Sl No | Test Name | Standard Method |
| 1 | Ignition loss | - |
| 2 | Heat loss | - |
| 3 | HCl Insoluble | - |
| 4 | Fineness | - |
| 5 | CaO Content | - |
| 6 | Alkalinity (Calc. as NaOH) | - |
| 7 | Nitrogen Surface Area | - |
| 8* | Lead Content | ASTM D2969 |
| 9* | Magnesium as MgO | ASTM D2969 |
| * Tests under NABL scope | ||
| F. Crumb Rubber | ||
| Sl No | Test Name | Standard Method |
| 1* | Acetone extraction | ASTM D297/ISO1407 |
| 2* | Ash Content | ASTM D6370 / ASTM E1131 / ISO 9924 |
| 3 | Moisture content | By KF moisture analyzer |
| 4* | Polymer Content | ASTM D6370 / ASTM E1131 / ISO 9924 |
| 5* | Carbon Black Content | ASTM D6370) / ASTM E1131 / ISO 9924 |
| 6 | Mesh Size Distribution | By Sieve residue analysis |
| * Tests under NABL scope | ||
| G. Reclaim Rubber | ||
| Sl No | Test Name | Standard Method |
| 1* | Acetone extraction | ASTM D297/ISO1407 |
| 2* | Ash Content | ASTM D6370 / ASTM E1131 / ISO 9924 |
| 3* | Rubber Hydrocarbon Content | ASTM D6370 / ASTM E1131 / ISO 9924 |
| 4* | Carbon Black content | ASTM D6370 / ASTM E1131 / ISO 9924 |
| * Tests under NABL scope | ||
| H. Process Oil | ||
| Sl No | Test Name | Standard Method |
| 1* | Specific Gravity | ASTM D1298 |
| 2* | Pour Point | ASTM D97 |
| 3* | Aniline Point | ASTM D611 |
| 4* | Kinematic viscosity | ASTM D445 |
| 5* | Clay Gel Analysis | ASTM D2007 |
| 6* | PAH content | DIN 16143 |
| 7* | PCA content | IP 346 |
| 8* | Flash Point | ASTM D92 |
| 9* | Carbon type analysis (Ca, Cp, Cn content) | IS 13155 |
| 10* | Viscosity Gravity Constant | ASTM D2501 |
| 11* | Degree API | ASTM D1298 |
| 12* | Glass transition temperature | ISO 28343 |
| * Tests under NABL scope | ||
| I. Process Oil: Poly Arpmatic Hydrocarbon Content | ||
| Sl No | Test Name | Standard Method |
| 1* | PAH content | DIN 16143 |
| 2* | Naphthalene content | |
| 3* | Acenaphthalene content | |
| 4* | Fluorene content | |
| 5* | Phenanthrene content | |
| 6* | Anthracene content | |
| 7* | Floranthene content | |
| 8* | Pyrene content | |
| 9* | Benzo (a) Anthracene content | |
| 10* | Chrysene content | |
| 11* | Benzo (b) Fluoranthene content | |
| 12* | Benzo (a) Pyrene content | |
| 13* | Benzo (g.h.i)perylene content | |
| 14* | diBenzo (a,h) anthracene content | |
| 15* | Indenol (1.2.3-cd ) Pyrene content | |
| 16* | Acenaphthalene content | |
| * Tests under NABL scope | ||
| J. Anti-Degradants/Anti-Oxidants/Anti-Ozonants | ||
| Sl No | Test Name | Standard Method |
| 1* | Melting Point | ASTM D1519 / ISO CD 28641/ISO 11235 |
| 2* | Ash Content | ASTM D4574/ ISO CD 28641/ISO 11235 |
| 3* | Heat Loss | ASTM D4571 |
| 4* | Assay by GC | ASTM D4937 |
| 5 | FTIR | ASTM D2702 |
| 6* | Softening Point by Ring and Ball | ASTM E28\ISO CD 28641 |
| 7 | Dimer, Bridge Dimer, Trimer, Bridge Trimer Content of TMQ | By HPLC |
| 8* | Congealing Point of wax | ASTM D938/ISO CD 28641 |
| 9 | N-Paraffin, iso paraffin Content of wax | ASTM D5442 |
| 10 | Refractive Index | ASTM D1218 |
| 11 | Carbon chain distribution of wax | ASTM D5442 |
| 12 | Drop Melting Point | ASTM D127 |
| * Tests under NABL scope | ||
| K. Resins | ||
| Sl No | Test Name | Standard Method |
| 1* | Softening Point by Ring and Ball | ASTM E28/ISO CD 28641 |
| 2* | Ash | ASTM D4574/ ISO CD 28641/ISO 11235 |
| 3* | Heat Loss | ASTM D4571 |
| 4 | FTIR | ASTM D2702-05 |
| 5 | Acid No/Base No | ASTM D974 |
| 6 | Saponification No. | - |
| 7* | Insoluble content | ASTM D1766/ISO 11235 |
| 8 | pH | ISO CD 28641 |
| 9 | HMT Content | - |
| 10 | Sieve residue | - |
| 11 | Moisture content | KF moisture analyzer |
| 12* | Hot plate cure time for thermosetting resins | - |
| * Tests under NABL scope | ||
| L. Zinc Oxide | ||
| Sl No | Test Name | Standard Method |
| 1* | Zinc Oxide Content | ASTM D4315/ISO 9298 |
| 2* | Lead Content | By ICP-OES |
| 3* | Cadmium Content | By ICP-OES |
| 4* | Heat Loss | ASTM D4571 |
| 5 | Sieve Residue | ASTM D5461 |
| 6 | Nitrogen Surface Area | By NSA analyzer |
| 7* | pH | - |
| 8 | Total Sulfur | ASTM D1619/ISO 1138 |
| * Tests under NABL scope | ||
| M. Stearic Acid/Fatty Acids | ||
| Sl No | Test Name | Standard Method |
| 1* | Ash Content | ASTM D4574/ ISO CD 28641/ISO 11235 |
| 2 | Drop Melting Point | ASTM D127 |
| 3 | Acid No. | - |
| 4 | Iodine No. | - |
| 5 | Saponification No. | - |
| 6* | Nickel Content | By ICP-OES |
| 7 | Refractive index | ASTM D1218 |
| 8 | Fatty Acid Fractions (C10-C15, C16-C20, C21-C22, Higher than C22) | By GC-FID |
| * Tests under NABL scope | ||
| N. Sulfur/Insoluble Sulfur | ||
| Sl No | Test Name | Standard Method |
| 1* | Ash Content | ASTM D4574 |
| 2* | Heat Loss | ASTM D4574 |
| 3 | Wet sieve | ASTM D4572 |
| 4* | Solubility in CS2 | ASTM D1766/ISO 11235 |
| 5* | Oil Content | ASTM D4573 |
| 6* | Acidity as H2SO4 | ASTM D4569 |
| 7* | Total Sulfur content | ASTM D1619/ISO 8332 |
| 8* | Insoluble Sulfur (% of Total Sulfur) | ASTM D4578 |
| 9* | High Temperature Heat stability Insoluble Sulfur (% of Total Sulfur) | IS14127 |
| * Tests under NABL scope | ||
| O. Accelerators | ||
| Sl No | Test Name | Standard Method |
| 1* | Melting Point | ASTM D1519 |
| 2* | Ash Content | ASTM D4574 |
| 3* | Heat Loss | ASTM D4571 |
| 4* | Assay | ASTM D4936 |
| 5* | Solubility in organic solvent | ASTM D4934 |
| 6* | Sulfur Content | ASTM D1619/ISO 8332 |
| 7 | Moisture | By KF moisture titrator |
| 8 | FTIR | ASTM D2702 |
| 9* | Free MBT | ASTM D5044 |
| 10 | Oil Content | - |
| 11 | Sieve residue | ASTM D4572 |
| * Tests under NABL scope | ||
| P. Finished Products | ||
| Sl No | Test Name | Standard Method |
| 1* | Specific Gravity | ASTM D297 |
| 2* | Identification of Polymer | ASTM 03677/ISO 4650 |
| 3* | Determination of blend ratio | ASTM D6370 / ASTM E1131 / ISO 9924 |
| 4* | Comp analysis : Polymer | ASTM D6370 / ASTM E1131 / ISO 9924 |
| 5* | Comp analysis : Carbon Black | ASTM D6370/ ASTM E1131 / ISO 9924 |
| 6* | Comp analysis : Ash | ASTM D6370/ ASTM E1131 / ISO 9924 |
| 7* | Comp analysis : Extractable | ASTM D297/ISO1407 |
| 8* | Comp analysis : Sulfur | ASTM D1619 |
| 9* | Swell index | ASTM D3616 |
| 10* | SiO2 Content | ASTM D297 |
| 11* | HCl soluble Ash Content | ASTM D297 |
| 12* | HCl insoluble Ash Content | ASTM D297 |
| 13* | Tg | ASTM 07426/ASTM E1356/ISO 22768 |
| 14* | Metal Content | ASTM D2969/ISO 19050 |
| 15 | Identification and estimation of inorganic filler | - |
| * Tests under NABL scope | ||
| Q. Coal | ||
| Sl No | Test Name | Standard Method |
| 1* | Moisture content | IS 1350 (Part I) |
| 2* | Ash Content content | |
| 3* | Volatile Matter content | |
| 4* | Fixed Carbon content | |
| 5* | Gross Calorific Value | |
| 6* | Sulfur Content | ASTM D4239 - 18e1 |
| 7 | Hydrogen content | |
| 8 | Carbon content | |
| * Tests under NABL scope | ||