Yinaimei ®  AM-641 is a type of pure polyester powder coating β- Hydroxylalkylamide curing agent, its performance is the same as the internationally renowned brand PrimidRXL-552. Compared to TGIC, Yinaimei ®  The main feature of AM-641 is its environmental friendliness and low toxicity, so it does not need to be labeled as toxic; In addition, it also has advantages such as low dosage, low price, low curing temperature, stable properties, and good storage performance, making it one of the substitutes for TGIC at present.

[Chinese Product Name] Yinaimei ®   AM-641
[English Product Name] Infinimide R AM-641
[Chinese Name] N, N, N ", N" - Tetra (2-hydroxyethyl) hexanediamide
[English Name] N, N, N ", N" - Tetrakis (2-hydroxyethyl) adipamide
[Structural formula]

【 Molecular formula 】 C14H28N2O6
[Molecular weight] 320.38
[CAS registration number] 6334-25-4
[Main Quality Indicators]
Appearance: White crystalline solid powder
Melting point: 120-127 ℃ (GB 617-88)
Hydroxyl value: 620-760 (mgKOH/g) (GB/T 7193.2-87)
Non volatile matter: ≥ 99% (GB 1725-79)
[Main technical performance]
Gloss (60 ℃) ≥ 91%
Impact resistance>50kg/cm
Cup protrusion test ≥ 6mm
Pencil hardness ≥ H
Artificial accelerated aging light retention rate (1000 hours) 76%
[Suggested usage method]
Due to Yinaimei ®  The high functionality of AM-641 cannot be achieved by using traditional carboxylic polyesters for TGIC, but by selecting specialized polyesters with hydroxyalkylamide curing agents, such as DSM's P855 and P865, and Cyanate's CC7630, CC7618, CCE37498, etc.
For polyester with an acid value of 30-35mgKOH/g, it is recommended to be resistant to the United States ®  The dosage of AM-641 is 5% -6% of the polyester content,
The recommended extrusion temperature is between 115 and 120 ℃.
The recommended curing conditions are 180 ℃/15min or 190 ℃/10-12min.
Packaging, storage, and safety precautions
This product is sealed in polyethylene plastic bags and wrapped in paper bags, with a net weight of 25kg per bag.
Please be cautious of rain and moisture during storage and transportation, and isolate sparks and heat sources.
If this product cannot be used up at once, please immediately seal the packaging to prevent moisture absorption in the remaining products.
This product is non corrosive and has low toxicity. It is not classified as a hazardous material and has no environmental impact.