Certificate of Analysis and technical specification for Expansion Joint Sealant (Polysulfide). Applies to all consignments of this product and grade.
| Product Name | Expansion Joint Sealant (Polysulfide) |
|---|---|
| C.A.S. Number | Applicable to blend — on request |
| Product Category | Construction Chemicals |
| Product Group | Grouts & Sealants |
| Grade / Standard | Two component elastomeric |
| Physical Form | Grey/black paste |
| 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 | Grey/black paste | Complies | Visual |
| 2 | Non-volatile Content (Solids) | As per specification | 51.6 % w/w | Gravimetry / ASTM D1644 |
| 3 | Viscosity at 25 °C | As per specification | 1972 cP | Brookfield viscometry |
| 4 | pH (as supplied) | As per specification | 7.0 | Potentiometry |
| 5 | Density at 25 °C | As per specification | 0.930 g/mL | ASTM D1475 |
| 6 | Heavy Metals (as Pb) | Not more than 20 ppm | Less than 10 ppm | ICP-OES |
This document sets out the standard specification for Expansion Joint Sealant (Polysulfide) 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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