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Cardboard Corrugated

Corrugated boxes are also called corrugated cartons or cardboard grooved consists of 2 kinds of corrugated sheet , namely:

  • · Kraft paper ( kraft liner ) for outer and inner layers
  • · Medium corrugated medium paper

The grammage of kraft paper and medium paper is as follows:

Table 3. Comparison of Paper Weight Size

Corrugated sheet there are several kinds, namely:

  • · Single wall: one layer with thickness ± 3 mm (B / Flute) and 4 mm (C / Flute)
  • · Double wall: 2 layers with thickness ± 7 mm (CB / Flute)
  • · TripleWall: 3 layers, and others.

In Indonesia commonly used types are single wall and double wall . The use of corrugated boxes is determined by: weight materials, material properties ( self stacking or not), fragile or not, using inner carton or not and others. The raw material for corrugated carton making is kraft paper, bogus or carton of straw. Based on the dimensions of plot and flat carton section, the number of grooves for a certain length of unit there are various types of cartons which in trading terms are called flute.

Each flute has a great resistance to vibration, pressure, fragility, pile and falling power. The direction of plot laying can be horizontal or vertical, so it is known flute A horizintal or flute A vertical, flutte B horizontal or vertical flute B and so on. The most common corrugated carton types are RSC ( Regular Slotted Container ) or regular slit containers. The corrugated carton types can be seen in Figure 27.
Figure 35. Kinds of Corrugated Carton
Information :

  • A = Regular Cracks (RSC)
  • B = Centered Crevice (CSSC)
  • C = Overlap Cover Container (FOL)
  • D = Bliss Box No. 4
  • E = Book Package
  • F = Box Three

Different types of carton boxes Corrugated Boxes without inner (individual box) are used as primary packaging to pack fruit and vegetables, frozen fish and others. For packing of fresh fruit or vegetables, then on the box wall should be given ventilation holes. The use of corrugated cartons on products packaged with glass or plastic bottles may use partition dividers or coatings to prevent collisions. Corrugated cardboard packaging is also given a candle (with permeation process) specifically for fresh vegetable products.