磁粉 > 注射成型用铁氧体粒料
注射成型用铁氧体粒料
铁氧体注射粒料的主要成份为铁氧体磁粉和各种热塑性树脂（例如尼龙），以及少量的抗氧化剂、增塑剂等，各种材料通过强力混合机连续混炼均匀、然后切粒制成。注射成型用铁氧体粒料具有优良的磁性能、机械强度和较高性价比。可用于制造激光打印复印磁辊、多极马达转子、磁瓦等复杂形状的永磁器件。
磁粉: 铁氧体
粘合剂：PA6
| |
试验标准 Testmethod |
单位 Unit |
MPA-19系列 |
MPA-20系列 |
磁性特征 MAGNETIC PROPERTIES |
各向异性 Anisotropic |
各向异性 Anisotropic |
||
剩磁强度Residual flux density (BR) |
--- |
G |
2780 |
2880 |
矫顽力Coercive force (Hcb) |
--- |
Oe |
2300 |
2450 |
内禀矫顽力Intrinsic coercive force (Hcj) |
--- |
Oe |
2820 |
2840 |
最大磁能积Maximum energy product (BH)m |
--- |
MGOe |
1.90 |
2.08 |
温度系数Thermal coefficient (△Br/Br) |
--- |
%/℃ |
-0.19 |
-0.19 |
温度系数Thermal coefficient (△Hc/Hc) |
--- |
%/℃ |
0.2-0.3 |
0.2-0.3 |
物理性能 PHYSICAL PROPERTIES |
||||
拉伸强度Tensile strength |
ASTM D-638 |
MPa |
77 |
82 |
弯曲弹性率Flexural modulus |
ASTM D-790 |
MPa |
22000 |
21000 |
弯曲强度Flexural strength |
ASTM D-790 |
MPa |
170 |
160 |
洛氏硬度Rockwell hardness |
ASTM D-785 |
R scale |
120 |
120 |
IZOD冲击强度Izod impact(with notch) |
ASTM D-256 |
j/m |
40 |
41 |
热变形温度Heat deflection temperature |
ASTM D-648 |
℃ |
172 |
178 |
比重Specific gravity |
ASTM D-792 |
kg/m3 |
3.55 |
3.66 |
吸水率Water absorption |
ASTM D-570 |
% |
0.15 |
0.15 |
熔融指数Melt flow rate |
ASTM D-1238 |
g/10min |
200 |
100 |
可然性Flammability |
UL94 |
Class |
--- |
--- |
成形条件 MOLDING CONDITION |
||||
干燥温度Drying condition(temperature) |
--- |
℃ |
100-120 |
100-120 |
干燥时间Drying condition(time) |
--- |
Hr |
2-3 |
2-3 |
成形温度Barrel temperature |
--- |
℃ |
270-290 |
280-300 |
模具温度Mold temperature |
--- |
℃ |
80-100 |
80-100 |
射出压力Injection pressure(resin pressure) |
--- |
MPa |
60-80 |
60-80 |
射出速度 Injection speed |
--- |
--- |
中高速Medium/high |
中高速Medium/high |
注：本表数据仅供参考。由于不断改良产品,本资料的数据可能随时更改,敬请谅。
磁粉: 铁氧体
粘合剂：PA12
| |
试验标准 Testmethod |
单位 Unit |
MPA-219系列 |
MPA-220系列 |
磁性特征 MAGNETIC PROPERTIES |
各向异性 Anisotropic |
各向异性 Anisotropic |
||
剩磁强度Residual flux density (BR) |
--- |
G |
2750 |
2850 |
矫顽力Coercive force (Hcb) |
--- |
Oe |
2300 |
2300 |
内禀矫顽力Intrinsic coercive force (Hcj) |
--- |
Oe |
2820 |
2840 |
最大磁能积Maximum energy product (BH)m |
--- |
MGOe |
1.88 |
2.01 |
温度系数Thermal coefficient (△Br/Br) |
--- |
%/℃ |
-0.19 |
-0.19 |
温度系数Thermal coefficient (△Hc/Hc) |
--- |
%/℃ |
0.2-0.3 |
0.2-0.3 |
物理性能 PHYSICAL PROPERTIES |
||||
拉伸强度Tensile strength |
ASTM D-638 |
MPa |
65 |
63 |
弯曲弹性率Flexural modulus |
ASTM D-790 |
MPa |
25000 |
24000 |
弯曲强度Flexural strength |
ASTM D-790 |
MPa |
140 |
135 |
洛氏硬度Rockwell hardness |
ASTM D-785 |
R scale |
120 |
120 |
IZOD冲击强度Izod impact(with notch) |
ASTM D-256 |
j/m |
49 |
48 |
热变形温度Heat deflection temperature |
ASTM D-648 |
℃ |
151 |
152 |
比重Specific gravity |
ASTM D-792 |
kg/m3 |
3.52 |
3.61 |
吸水率Water absorption |
ASTM D-570 |
% |
0.02 |
0.02 |
熔融指数Melt flow rate |
ASTM D-1238 |
g/10min |
150 |
80 |
可然性Flammability |
UL94 |
Class |
--- |
--- |
成形条件 MOLDING CONDITION |
||||
干燥温度Drying condition(temperature) |
--- |
℃ |
100-120 |
100-120 |
干燥时间Drying condition(time) |
--- |
Hr |
2-3 |
2-3 |
成形温度Barrel temperature |
--- |
℃ |
260-270 |
270-280 |
模具温度Mold temperature |
--- |
℃ |
80-100 |
80-100 |
射出压力Injection pressure(resin pressure) |
--- |
MPa |
60-80 |
60-80 |
射出速度 Injection speed |
--- |
--- |
中高速Medium/high |
中高速Medium/high |
注：本表数据仅供参考。由于不断改良产品,本资料的数据可能随时更改,敬请谅