| 摘要 |
The sword grip cover has reinforcing parts and new compn. for better physical properties. Reinforcing partition walls are formed on the concave of the grip cover. The ratio of width of the wall to that of the edge is 0.5 - 0.55, and the maximum depth is 2.5 3 times of the width of the edge. The compn. follows: polyamide resin; glass fiber of diam. 0.3 - 0.3 mm, of length 10 mm, 30 - 33 wt.%; a mixt. of soutane-black 0.54 - 0.6 wt.%; carbon-black 0.77 - 0.83 wt.%, and titanium dioxide 0.42 - 0.45 wt.%; a mixt. of silica and potassium titanate 1.8 - 2.1 wt.%. It is dried at 120 C below 0.3% of moisture content, and produced by injection molding.
|
