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High Purity 99.5% Pyromellitic Dianhydride PMDA White Crystalline Powder with Melting Point 283-286°C for Polyimide Resins

Luogo di origine Cina
Marca N/A
Certificazione COA
Numero di modello Ppm004
Quantità di ordine minimo 1 kg
Prezzo USD4-6/kg
Imballaggi particolari 1 kg/borsa, 20 kg 25 kg 135 kg/cartone
Tempi di consegna 3-8 giorni lavorativi
Termini di pagamento T/T, L/C, D/A, D/P, Western Union
Capacità di alimentazione 50000 kg/mese

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Dettagli
Colore Polvere cristallina bianca CAS No. 89-32-7
Saggio 99,5% Mf C10H2O6
MW 218.12 Punto di fusione 283-286 °C(lett.)
Evidenziare

99.5% Purity Pyromellitic Dianhydride

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White Crystalline Powder PMDA

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Melting Point 283-286°C Pyromellitic Dianhydride

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Descrizione di prodotto
Pure White Pyromellitic Dianhydride (PMDA) for Polyimide Resins and Films
PMDA 1,2,4,5-Benzenetetracarboxylic Anhydride CAS 89-32-7 Purity Min 99.5% For Polyimide Material
Specification
Color White Crystalline Powder
CAS No. 89-32-7
Assay 99.5%
MF C10H2O6
MW 218.12
Melting Point 283-286 °C(lit.)
Description

Pyromellitic dianhydride (PMDA) is an acidic anhydride that serves as a repair agent and chain extender in polyethylene terephthalate (PET) based chain extensions. Primarily used in thermoplastics production and coating applications.

PMDA is a crucial monomer for manufacturing various thermoplastics including polyesters, polycarbonates, polyethers, plasticizers, and epoxy resins. Its excellent thermal and oxidative stability, along with superior mechanical properties, make it ideal for high-performance coatings used in diverse industrial applications.

As a highly reactive acid anhydride, PMDA requires careful handling as it can act as a respiratory irritant and immediate-type sensitiser, with potential associations to occupational asthma.

Advantages
  • Quick lead time
  • Low MOQ
  • Quality assured with COA
  • Full experience in shipping
  • Free consulting service
  • Custom service available
FAQ
Q1: What is your regular lead time for sample and official order?
A1: Sample lead time 5-7 days. Official order lead time 14-21 days.
Q2: What is your MOQ?
A2: MOQ usually is 1kg.
Q3: How you control product quality?
A3: From raw material inspection, dupro inspection to final product inspection are executed strictly.
Q4: What is your warranty policy?
A4: We will send you a new batch if there is any quality issue during warranty time.
Q5: Do you refund if customer receive defective product and do not accept replacement?
A5: Yes.
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