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High-Quality Pyromellitic Acid (PMA) CAS No. 89-05-4 from China Suppliers and Factory - Ideal for Polyimide Synthesis
Product Quality Index
| Series | Item | Specification |
|---|---|---|
| 1 | Appearance | White Powder |
| 2 | Purity % | 99 Min |
| 3 | Melting Point ℃ | 281 Min |
| 4 | Volatility % | 0.5 Max |
| 5 | Particle Size | On customer demand |
Note: These data are given as an indication of typical values and not as exact specifications.
Frequently Asked Questions
What is the purity level of this product?
The product maintains a high purity standard with a minimum specification of 99%.
What is the physical form of the material?
The material is supplied in a consistent white powder form, as shown in the product images.
Does the product have a high melting point?
Yes, the product features a high thermal stability with a melting point of at least 281℃.
Can I request a specific particle size?
Yes, particle size specifications can be adjusted and provided based on specific customer demands.
What is the maximum volatility of the powder?
The volatility is strictly controlled and does not exceed a maximum of 0.5%.
Are the technical specifications fixed?
The provided data represents typical values for the product quality index. For exact batch specifications, please contact our technical team.