| 摘要 |
PROBLEM TO BE SOLVED: To provide a dry type unsaturated polyester resin composition used in manufacturing a reflector, which discolors little through thermal deterioration, and which is excellent in thermal discoloration resistance, long in life, very easy to remove burrs, relatively inexpensive, and further excellent in storage stability of materials, handling ability and processability.SOLUTION: A dry type unsaturated polyester resin composition contains at least an unsaturated polyester resin, a polymerization initiator, an inorganic filler, a white pigment, and a fibrous reinforcement material. The unsaturated polyester resin is within a range of 14-40 mass% relative to the entire amount of the dry type unsaturated polyester resin composition. The total amount of the inorganic filler and the white pigment is within a range of 44 -74 mass% relative to the entire amount of the dry type unsaturated polyester resin composition. The white pigment is within a range of 100-300 mass% relative to 100 mass% of the dry type unsaturated polyester resin composition.SELECTED DRAWING: Figure 1 |
