Certificate of Analysis and technical specification for Polystyrene General Purpose — CAS 9003-53-6. Applies to all consignments of this product and grade.
| Product Name | Polystyrene General Purpose |
|---|---|
| C.A.S. Number | 9003-53-6 |
| Product Category | Polymers, Resins & Additives |
| Product Group | Polyolefins & Commodity Plastics |
| Grade / Standard | MFI 8-12 g/10min |
| Physical Form | Transparent granules |
| Country of Origin | India |
| Packing | Standard export packing — bags, drums, carboys, IBC or ISO tank as applicable |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
| S. No. | Test Parameter | Specification | Typical Result | Method |
|---|---|---|---|---|
| 1 | Description | Transparent granules | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Solubility | As per specification | Complies | Visual / Monograph |
| 4 | Volatile Matter | Not more than 1.0 % w/w | 0.53 | Gravimetry |
| 5 | Ash Content | Not more than 0.5 % w/w | 0.102 | Gravimetry |
| 6 | Softening / Melting Point | As per specification | Conforms | ASTM D3461 / Capillary |
| 7 | Residue on 63 µm Sieve | Not more than 0.5 % | 0.192 | Sieve analysis |
| 8 | Heavy Metals (as Pb) | Not more than 20 ppm | Less than 10 ppm | ICP-OES |
| 9 | Moisture | Not more than 1.0 % w/w | 0.20 | Karl Fischer / Gravimetry |
This document sets out the standard specification for Polystyrene General Purpose and applies to all consignments of this grade. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we will confirm compliance before order.
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