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Synthetic resins and their raw materials: A survey of the types and uses of synthetic resins, the organization of the industry, and the trade in resins and raw materials, with particular references to factors essential to tariff consideration. Under the general provisions of section 332, title III, part II, Tariff act of 1930.United States Tariff Commission

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Synthetic resins and their raw materials: A survey of the types and uses of synthetic resins, the organization of the industry, and the trade in resins and raw materials, with particular references to factors essential to tariff consideration. Under the general provisions of section 332, title III, part II, Tariff act of 1930.

Name: Synthetic resins and their raw materials: A survey of the types and uses of synthetic resins, the organization of the industry, and the trade in resins and raw materials, with particular references to factors essential to tariff consideration. Under the general provisions of section 332, title III, part II, Tariff act of 1930.
Author: United States Tariff Commission

United States Tariff Commission

Gums and resins industry; Plastics

-------------------------------+----------------------------+------------
               Type              |     Impact strength[1]     | Hardness[2]
                                 |      (foot pounds)         |
  -------------------------------+----------------------------+------------
                                 |                            |
                                 |                            |_Brinell No_
  Synthetic resins:              |                            |
    Tar-acid—Formaldehyde:       |                            |
      Molded, wood flour filler  |   0.10-0.28; I, N          |    30-45
      Molded, mineral filler     |   0.11-0.36; I, N          |
      Molded, fabric filler      |   0.4-2.4; I, N            |
      Laminated, paper base      |   0.4-1.2; I, N            |    24-40
      Laminated, fabric base     |   0.8-5.2; I, N            |    30-45
      Laminated, asbestos cloth  |                            |
        base                     |                            |
      Cast                       |   0.1-1.5; I, N            |    30-45
    Tar-acid—Furfural:           |                            |
      Wood flour filler          |   0.08-0.52; C, N          | [3]35-40
      Mineral filler             |   0.08-0.48; C, N          | [3]44-46
      Fabric filler              |   1.6-3.1; C, N            | [3]30-35
    Urea—Formaldehyde            |   0.7-1.5; C, U            | [4]48-54
    Vinyl, unfilled              |   0.3-0.6; I, N            |    15-25
    Vinyl, filled                |   0.1-0.7; I, N            |    15-25
    Acrylate                     |   0.25-0.5; C, N           | [4]18-20
    Polystyrene                  |   0.16-0.25; I, N          |    20-30
  Other plastics:                |                            |
    Shellac compound             |                            |
    Cold molded                  |   0.4; C                   |
      Nonrefractory              |   0.4; C                   |
      Refractory                 |                            |
    Rubber compounds:            |                            |
      Chlorinated rubber         |   3.0+; C, U               |
      Modified isomerized rubber |   2.6-6.2; I, N            | [5]85-90
      Hard rubber                |   0.5; I                   |       31
    Casein                       |   1.0; I                   |       23
    Cellulose compounds:         |                            |
      Ethyl cellulose            |   1-4; I, N (per in. sq.)  |
      Cellulose acetate sheet    |   2-7; C, N (per in. sq.)  | [6]6-11
      Cellulose acetate molding  |   3-12; C, N (per in. sq.) | [6]6-7.5
      Cellulose nitrate          |   3-12; C, N (per in. sq.) | [6]8-11
  -------------------------------+----------------------------+------------

  [1] ASTM D256-34T. C = Charpy; I = izod; N = notched; U =
  unnotched.

  [2] 2.5 mm ball; 25 kg. load unless otherwise noted.

  [3] 50 kg. load.

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