PVC forming characteristics:

January 15 [Tue], 2013, 17:32

(1), amorphous material, moisture absorption small, pvc film, in order to improve the liquidity, prevent to produce bubble, plastic shell advance dry, mould gating system appropriate stub, gate section should be big, there shall be no dead Angle, mould must be cooling, the surface chromium plating;
(2), because of its corrosive and liquidity characteristics, had better use special equipment and mold, all products must be according to the need to join different kinds and amount of additives;
(3), easy decomposition, in 200 ℃ temperature, and steel, copper contact more easily decomposition, decomposition escape corrosion, irritating gas, forming temperature range is small;
(4), the screw injection machine nozzle, aperture appropriate, in case of blind Angle hysteresis material, such as a insert should be preheated.
プロフィール
  • プロフィール画像
  • アイコン画像 ニックネーム:pvcfilm
読者になる
2013年01月
« 前の月  |  次の月 »
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
最新コメント
ヤプミー!一覧
読者になる
P R
カテゴリアーカイブ
月別アーカイブ
http://yaplog.jp/pvcfilm/index1_0.rdf