Certificate of Analysis (COA)
Product Name: Cyclopentane/Isopentane Blend (80-20%)
Batch No.: JY20251014
Date of Manufacture: October 14, 2025
Date of Analysis: October 14, 2025
Manufacturer: Junyuan Petroleum Group
Packaging Type: ISO Tank
Quantity: 16 Metric Tons
Analytical Results:
| Parameter | Specification Range | Test Result | Unit | Test Method |
|---|
| Cyclopentane Content | 78.0 – 82.0 | 80.3 | wt% | GC |
| Isopentane Content | 18.0 – 22.0 | 19.7 | wt% | GC |
| Total Sulfur | ≤ 5 | 2.1 | ppm | ASTM D5453 |
| Benzene Content | ≤ 5 | 1.3 | ppm | GC-MS |
Application:
This product is primarily used as a blowing agent in the production of polyurethane foams, especially for refrigeration insulation panels and construction-grade thermal insulation materials. It may also be used as a solvent or formulation component in chemical manufacturing processes requiring low boiling point hydrocarbons.
Remarks:
- All values are based on standard laboratory testing procedures.
- The product meets the required specifications and is suitable for industrial use.
- This COA is issued by the Quality Control Department and reflects the actual batch performance.