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Our Injection Molding Ferrite Compounds are complex materials which are bonded magnetic materials with thermoplastic resin ferrite powder are blended with thermoplastic (such as nylon6,12, PPS), antioxidant, plasticizers, and other ingredients. Continuous flow compounds are used for intensity mixing the ingredients to form compound. The compound is chopped into small granules ready for molding.

Injection Molding Ferrite Compound

This product is injection-molded magnetic granules modified with anisotropic strontium/barium iron magnetic powder and binders and additives such as nylon 6/12, polyphenylene sulfide (PPS), and ethylene-ethyl acrylate copolymer (EEA).

Nylon 6 series products possess characteristics such as high temperature resistance up to 150°C, good flowability, and excellent mechanical properties, making them widely used in the injection-molded magnetic industry. They are currently among the most cost-effective injection-molded magnetic raw materials.

Applications: Laser printer magnetic cores/buzzer magnetic rings/cylinder magnetic rings/induction magnetic rings/motor internal and external rotors/water pump magnetic rings, etc.

application of Injection molding ferrite compound

Ferrite particles (PA6) for injection molding

Magnetic powder: Anisotropic ferrite powder

Binder resin: Nylon6 (PA6)

Grade	Test Method	Unit	15 Series	18 Series	19 Series	20 Series
Magnetic Properties
Residual Flux Density(Br)	(BH Curve Tracer)	mT (Gs)	240-260	250-270	270-290	280-300
Residual Flux Density(Br)		mT (Gs)	(2400-2600)	(2500-2700)	(2700-2900)	(2800-3000)
Coercive Force(Hcb)		kA/m (Oe)	175-191	183-199	183-199	191-207
Coercive Force(Hcb)		kA/m (Oe)	(2200-2400)	(2300-2500)	(2300-2500)	(2400-2600)
Intrinsic Coercive Force{Hcj)		kA/m (Oe)	223-239	231-247	215-231	223-239
Intrinsic Coercive Force{Hcj)		kA/m (Oe)	(2800-3000)	(2900-3100)	(2700-2900)	(2800-3000)
Maximum Energy Product(BH)max		kJ/m3 (MGOe)	11.9-13.5	13.1-14.7	14.7-16.3	15.9-18.3
Maximum Energy Product(BH)max		kJ/m3 (MGOe)	(1.5-1.7)	(1.65-1.85)	( 1.85-2.05)	( 2.0-2.3)
Physical Properties
Tensile Strength	ASTM D-638	MPa	70-85	70-85	70-85	70-85
Flexural Strength	ASTM D-790	MPa	150-190	150-190	150-190	150-190
Flexural Modulus	ASTM D-790	MPa	18000-25000	18000-25000	18000-25000	18000-25000
lzod Impact Strength	ASTM D-256	kJ/m2	15-35	15-35	15-35	15-35
Specific Density	ASTM D-792	g/cm3	3.3-3 .6	3.5-3 .7	3.6-3 .75	3.65-3.8
Water Absorption	ASTM D-570	％	0.13-0.15	0.13-0.15	0.13-0.15	0.13-0.15
Melt Flow Rate 270°/10Kg	ASTM D-1238	g/10min	100-300	80-200	80-200	60-180
Flammability	UL94	Class	V-0	V-0	V-0	V-0
Injection Molding Conditions	Recommended Injection Molding Parameters
Pre-drying Temperature	°C		80-90	80-90	80-90	80-90
Pre-drying Time	hr		2-4	2-4	2-4	2-4
Injection Temperature	°C		250-270	260-280	270-290	275-295
Mold Temperature	°C		70-90	70-90	80-100	80-100
Injection Pressure	MPa		80-100	80-100	80-100	80-100
Injection Speed	V%		60-80	60-80	60-80	60-80

Ferrite particles (PA12) for injection molding

Magnetic powder: Anisotropic ferrite powder

Binder resin: Nylon 12 (PA12)

Grade	Test Method	Unit	15 Series	18 Series	19 Series	20 Series
Magnetic Properties
Residual Flu x Density(Br)	(BH Curve Tracer)	mT (Gs)	240-260	250-270	270-290	280-300
Residual Flu x Density(Br)		mT (Gs)	(2400-2600)	(2500-2700)	(2700-2900)	(2800-3000)
Coercive Force(Hcb)		kA/m (Oe)	175-191	183-199	183-199	191-207
Coercive Force(Hcb)		kA/m (Oe)	(2200-2400)	(2300-2500)	(2300-2500)	(2400-2600)
Intrinsic Coercive Force{Hcj)		kA/m (Oe)	223-239	231-247	215-231	223-239
Intrinsic Coercive Force{Hcj)		kA/m (Oe)	(2800-3000)	(2900-3100)	(2700-2900)	(2800-3000)
Maximum Energy Product(BH)max		kJ/m3 (MGOe)	11.9-13.5	13.1-14.7	14.7-16.3	15.9-18.3
Maximum Energy Product(BH)max		kJ/m3 (MGOe)	(1.5-1.7)	(1.65-1.85)	( 1.85-2.05)	( 2.0-2.3)
Physical Properties
Tensile Strength	ASTM D-638	MPa	70-85	70-85	70-85	70-85
Flexural Strength	ASTM D-790	MPa	150-190	150-190	150-190	150-190
Flexural Modulus	ASTM D-790	MPa	18000-25000	18000-25000	18000-25000	18000-25000
lzod Impact Strength	ASTM D-256	kJ/m2	15-35	15-35	15-35	15-35
Specific Density	ASTM D-792	g/cm3	3.3-3 .6	3.5-3 .7	3.6-3 .75	3.65-3.8
Water Absorption	ASTM D-570	％	0.13-0.15	0.13-0.15	0.13-0.15	0.13-0.15
Melt Flow Rate 270°/10Kg	ASTM D-1238	g/10min	100-300	80-200	80-200	60-180
Flammability	UL94	Class	V-0	V-0	V-0	V-0
Injection Molding Conditions	Recommended Injection Molding Parameters
Pre-drying Temperature	°C		80-90	80-90	80-90	80-90
Pre-drying Time	hr		2-4	2-4	2-4	2-4
Injection Temperature	°C		250-270	260-280	270-290	275-295
Mold Temperature	°C		70-90	70-90	80-100	80-100
Injection Pressure	MPa		80-100	80-100	80-100	80-100
Injection Speed	V%		60-80	60-80	60-80	60-80

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