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SMC: sheet molding compound / BMC: bulk molding compound

SMC/BMC is a molding material for dry manufacturing of unsaturated polyester FRP products. It is especially suitable for large-scale production of products with complex structure, high performance requirements and precise size.From a commercial value point of view, the annual production volume of SMC/BMC must be more than 5000 units. In addition, SMC has very strict requirements on equipments, tooling and process control during production and molding.Therefore, the application of SMC/BMC development process, not only need a lot of money to purchase production equipment, also need to obtain a high level of materials, equipment and technical support, such as high quality raw materials, high grade level of mould materials and mould processing, high precision programmable molding press, CNC secondary processing equipment and even the application of robots and other advanced equipment.  As an advanced thermosetting composite material, SMC has become the most important molding material in the molding process of GRP/FRP.


The main Advantages of the fiberglass composite material: 

1, It can maintain good dielectric performance under high frequency, and does not reflect or block the microwave. It is suitable for application in crowded or narrow places, and can effectively avoid the danger of electric shock. 

2, It has effective resistance to water, gasoline, alcohol, electrolyte salt, acetic acid, sodium potassium compounds, asphalt, acid base soil and acid rain corrosion.

3, Under the combined action of three-dimensional network molecular structure and reinforcing fiber, the material has good impact resistance, easy to be machined, easy to drill and cut, and accurate positioning.

4, It has strong impact resistance to avoid deformation, with high tensile strength, bending strength and impact toughness.

5, As a smokeless and non-toxic material, it does not contain halogens, and it’s an environmentally friendly material that can meet the needs of future development.

6, The fire retardant can reach to FV0 level, and the smoke&gas level is quasi-safety level 1 (ZA1), which meets the requirements of domestic and international UL94 standards.

7. It's a poor conductor of heat, has low deformation rate of high-temperature resistance which can reduce the influence of environmental temperature difference on the internal structure of products.

8. It's able to adapt to any kind of harsh weathers, it can be used in the climate of -50℃~160℃ for a long time. The protection level is IP54, which can maintain good physical and mechanical properties.


 

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