Bonding Powder for Electronic Iron Powder Cores

Product Introduction:
This product is a thermosetting epoxy-modified bonding powder, formulated using special epoxy resin and functional curing agents. It features high reactivity, strong adhesion, high cross-link density, and excellent resistance to chemicals, solvents, as well as superior flexibility and impact resistance. The product offers outstanding physical, mechanical, and chemical properties. During the curing process, it has minimal shrinkage, resulting in a smooth and dense surface on the molded powder core. This overcomes the defects of polyethylene-based binders, and its superior characteristics determine the quality of the iron powder core.

Product Usage:
Special bonding agent for molding electronic soft magnetic iron powder cores.

Product Features:

1. High mechanical strength: The surface of the molded components is smooth and dense. After curing, it has excellent adhesion to various metal powders, strong rigidity, good mechanical properties, and a high pass rate for finished products.
2. Low shrinkage of the cured product: The cured product has excellent dimensional stability, reducing precision errors caused by shrinkage stress during the curing process.
3. Excellent processing performance: It has good dispersibility and lubricity with metal powders, reducing friction between powders and molds during molding. The surface precision of the molded iron powder core is high, suitable for assembly line production.
4. Excellent electrical properties: The cured product has a very high glass transition temperature and a wide operating temperature range, maintaining optimal stable electrical properties between -65°C and 110°C.
5. Good dielectric properties: The cured components have excellent chemical and solvent resistance, withstanding organic chemical corrosion.
6. Energy-saving and environmentally friendly: The curing temperature is low and fast. It can be cured using the baking temperature of external painting or powder coating, saving energy. It is a 100% solid component with no harmful substances and is an environmentally friendly product promoted by the state.

Powder Performance:

Property	Specification	Notes
Mechanical Strength	High	Ensures durability and resistance to mechanical stress
Shrinkage	Low	Minimizes dimensional changes during curing, maintaining precision
Processing Performance	Excellent dispersibility and lubricity	Facilitates smooth molding and reduces wear on molds
Electrical Properties	High glass transition temperature, wide operating temperature range	Ensures stable performance across a broad temperature spectrum
Dielectric Properties	Excellent chemical and solvent resistance	Protects against degradation from chemical exposure
Environmental Performance	100% solid content, no harmful substances	Complies with environmental regulations and promotes sustainability

Curing Conditions:

Property	Specification	Notes
Temperature	Referenced to workpiece temperature	Deviations may affect performance; ensure accurate temperature control for optimal results

Addition Rate:
15-30% of the total metal powder volume, or adjusted according to the type and requirements of the component. No additional lubricants are needed when using this product.

Application Method:

1. Add the powder to the mixer according to the formula requirements, mix it with other components, and then proceed with molding.
2. After molding, the components can be placed in an oven for curing. The recommended curing temperature refers to the surface temperature of the component. Deviations in temperature may affect the bonding strength.

Health and Safety:

Property	Specification	Notes
Toxicity	Non-toxic	Safe for handling and application
Flammability	Non-flammable	Reduces risk in storage and use
Regulation	GB15607-1995	Follow safety protocols for coating operations

Precautions:

Item	Specification	Notes
Storage	Ventilated, dry, below 27°C, away from heat sources, corrosive chemicals, and solvents, avoid strong light, maximum stack height 5 layers, avoid long-term pressure, keep packaging sealed	Ensures product stability and prevents degradation
Storage Period	Best within 3 months at 27°C, validate performance if used beyond this period	Maintains optim

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