JAMMARK INTERNATIONAL TRADINGE(ZIBO) CO., LTD. is one of the most professional manufacturers and suppliers of 99.8% pyromellitic dianhydride in China. If you're going to buy high quality 99.8% pyromellitic dianhydride made in China, welcome to get more information from our factory. For price consultation, contact us.
Pyromellitic Dianhydride (PMDA)
| Item | Top Grade | First Grade |
| Content (w, %) | ≥99.5 | ≥98.0 |
| Appearance | White crystal powder | White crystal powder |
| Melting Point (ºC) | 285-288 | 283-286 |
| Neutralization Equivalent | 54.5±0.2 | 54.5±0.2 |
| Specific Gravity | 1.680 | 1.680 |
99.8% high-purity pyromellitic dianhydride: makes motor insulation more durable and reliable.
1. Enhanced High Temperature Resistance:
- The long-term operating temperature of the insulation system is increased from 130℃ to over 150℃.
- Reduced overheating failures and warranty costs.
2. Enhanced Resistance to Electrical Breakdown:
- Insulation life is extended by 3 times under high-frequency voltage.
- Reduced downtime losses caused by sudden breakdown.
3. Enhanced Vibration Resistance:
- The insulation layer is less prone to cracking under continuous vibration.
- Reduced premature failures caused by vibration.
4. More Stable Quality:
- Consistent performance of raw materials in each batch.
- Reduced quality control costs.
Cost-benefit analysis of 99.8% pyromellitic dianhydride
Although raw material prices are slightly higher, the overall cost is lower:
01
Reduced failure rate
Reduces after-sales maintenance costs.
02
Miniaturized motors
Saves on materials such as copper wire and silicon steel sheets
03
Increased production efficiency
Reduces production downtime due to quality issues
FAQ
Q1: Are you a Manufacturer or Trading Company?
We are both. we have our own factory and R&D center. All our clients, from home or
abroad, are warmly welcome to visit us!
Q2: Can you supply Custom synthesis service?
Yes, of course! With our dynamic group of dedicated and skilled people we can meet
the needs of our customers worldwide.in many cases in cooperation with our
customers - that will enable you to lower your operating costs and improve your
processes.
Q3: How long is your delivery time?
Usually it takes 3-7 days if the goods are in stock; Bulk order is according to the
products and the quantity.
Q4: What's the shipping way?
According to your demands. EMS, DHL, TNT, FedEx, UPS, air transport, sea transport
etc. We also could provide DDU and DDP service.
Q5: What's your payment terms?
T/T, Western union, Credit card, Visa, BTC.
Q6: How do you treat quality complaint?
Our production standards are very strict. If there is a real quality problem caused by us,
we will send you free goods for replacement or refund your loss.
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