Black Painting Dumbbell Plate
Material: cast iron
Painted Plate Size: 0.5kg/1.25kg/2.5kg/5kg/10kg
Application:professional Training , Sports Performance, High School, Fitness
Black Painting Cast Iron Weight lifting Dumbbell Barbell Plate
| Type | Black Painting Dumbbell Plate |
| Size | 0.5kg 1.25kg 2.5kg 5kg 10kg 15kg 20kg |
| Logo | York or customized |
| Color | Black |
| Hole Dia | 25mm or 28mm |
Dumbbell Product Process
The production process of the dumbbell includes the following steps
1. selecting raw materials which comprise pig iron and natural
rubber.
2. manufacturing a model of the dumbbell.
3. melting the pig iron in a high temperature, and casting the
melted
pig iron on the model.
4. cooling and obtaining a semi-finished product.
5. polishing the semi-finished product, and obtaining a smooth
dumbbell.
6. smashing, heating and melting the natural rubber, pouring the
melted
natural rubber into the outer shell to conduct extrusion forming,
and obtaining the outer shell of the dumbbell.
7. nesting the smooth dumbbell into the outer shell of the
dumbbell,
and obtaining a company.
