The scope of the test, 1
. Starch from plants that you use in the shine of plastics is from jackfruit seed flour and flour from fright art after
2.? The volume of water used in the preparation of operation of plastics is 5 15 25,,, and 35 45 units in CC
3.The concentration of hydrochloric acid is used in the preparation of plastics is 0.1 moles per cubic meter, 4 Daci
. The volume of hydrochloric acid is used in the preparation of plastics is 0 1 2,, and in 3 unit cubic cm
5.Plasticizer used in providing flexibility with the plastics is glycerol
6. The volume of กลีเซอ) used in the preparation of plastics. ,, and is 1 2 3 4 units in CC
7.Qualification test of plastics, hardness test, tensile strength, The limit of durability with nails and float sinking of plastics in liquids with different densities. The following is assigned the saturated salt water, water, and ethanol.
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