1. Exterior surface: Smoothly, No starving crack scuff and burr, No patency foaming and uneven, No inclusion.
2. Surface color: Black, Red, Yellow, Blue.
3. Temperature resistance: The sample cannot be cracked and deformation when put it in heat-box at 80 celsius.
4. Tensile Strength: 25MPa at normal temperature, 30MPa at -40 celsius.
5. Impact Strength: 35KJ/sqm at normal temperature, 5KJ/sqm at -40 celsius.
6. Impact Strength: Not breakage.
7. Rockwell temperature(R): 75.