急求specification materials要怎么写？

你可以这样回答客人：

Thank you for your inquiry. Regarding the materials used in our doll, we use 100% PVC. Here are the specifications of the materials used:

- Material: Polyvinyl Chloride (PVC)
- Density: 1.38 - 1.59 g/cm3
- Melting point: 100 - 260 °C
- Tensile strength: 10 - 50 MPa
- Elongation at break: 20 - 800 %

I hope this information is helpful. Let me know if you have any other questions or concerns.

关于参考模板，你可以搜索“product material specification template”来寻找相关的模板，并根据你的具体产品和材料来进行修改。