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Oyster White Board

Oyster White Board or Mottled White Board features a clay-coated CCNB linerboard featuring an off-white surface with natural kraft undertones for moderate quality printing. In addition, this material is commonly chosen for being the most economical white corrugated option. For achieving higher quality color vibrancy, Bleached White or Kemi are the best choices.

  • Off-white surface with natural kraft undertones
  • Most economical option for white corrugated
  • Highest recycled content option
  • Overview

    Oyster board is the industry standard liner board for producing white corrugated packaging. Made from Kraft paper, this material features high recycled content making it up to 100% recyclable. The liner is a slightly off-white color, and because it is not fully bleached like typical white printing paper, the white maintains kraft brown undertones throughout. In most cases, it is the best choice for white corrugated packaging as it is cost-effective, readily available and offers more accurate color output when printed on. However, because of the more natural undertones, printing on this material will offer a 'no gloss' finish, making designs look more flat.

    Corrugated Board Process

    Corrugated Board Process

    Flute Types & Formation

    Flute Types
    Flute Types
    Corrugated Formation
    Corrugated Formation

    Corrugated Board Performance

    Single Wall

    Min. Burst Strength
    (lbs/sq in)
    Min. Edge Crust Test
    (lbs/in)
    Min. Combined Weight of Facings
    (lbs/m sq ft)
    Max Weight of Box and Contents
    (lbs)
    Max Outside Dimensions
    (L + W + D in)
    125 lbs/sq in 23 lbs/in 52 lbs/m sq ft 20 lbs 40 in
    150 lbs/sq in 26 lbs/in 66 lbs/m sq ft 35 lbs 50 in
    175 lbs/sq in 29 lbs/in 75 lbs/m sq ft 50 lbs 60 in
    200 lbs/sq in 32 lbs/in 84 lbs/m sq ft 65 lbs 75 in
    250 lbs/sq in 40 lbs/in 111 lbs/m sq ft 80 lbs 85 in
    275 lbs/sq in 44 lbs/in 138 lbs/m sq ft 95 lbs 95 in
    350 lbs/sq in 55 lbs/in 180 lbs/m sq ft 120 lbs 105 in

    Double Wall

    Min. Burst Strength
    (lbs/sq in)
    Min. Edge Crust Test
    (lbs/in)
    Min. Combined Weight of Facings
    (lbs/m sq ft)
    Max Weight of Box and Contents
    (lbs)
    Max Outside Dimensions
    (L + W + D in)
    200 lbs/sq in 42 lbs/in 92 lbs/m sq ft 80 lbs 85 in
    275 lbs/sq in 48 lbs/in 110 lbs/m sq ft 100 lbs 95 in
    350 lbs/sq in 51 lbs/in 126 lbs/m sq ft 120 lbs 105 in
    400 lbs/sq in 61 lbs/in 180 lbs/m sq ft 140 lbs 110 in
    500 lbs/sq in 71 lbs/in 222 lbs/m sq ft 160 lbs 115 in
    600 lbs/sq in 82 lbs/in 270 lbs/m sq ft 180 lbs 120 in

    Triple Wall

    Min. Burst Strength
    (lbs/sq in)
    Min. Edge Crust Test
    (lbs/in)
    Min. Combined Weight of Facings
    (lbs/m sq ft)
    Max Weight of Box and Contents
    (lbs)
    Max Outside Dimensions
    (L + W + D in)
    700 lbs/sq in 67 lbs/in 168 lbs/m sq ft 240 lbs 111 in
    900 lbs/sq in 80 lbs/in 222 lbs/m sq ft 260 lbs 115 in
    1100 lbs/sq in 90 lbs/in 264 lbs/m sq ft 280 lbs 120 in
    1300 lbs/sq in 112 lbs/in 360 lbs/m sq ft 300 lbs 125 in

    E-Flute

    Min. Burst Strength
    (lbs/sq in)
    Min. Edge Crust Test
    (lbs/in)
    Min. Combined Weight of Facings
    (lbs/m sq ft)
    Max Weight of Box and Contents
    (lbs)
    Max Outside Dimensions
    (L + W + D in)
    150 lbs/sq in 26 lbs/in 66 lbs/m sq ft 35 lbs 50 in
    200 lbs/sq in 32 lbs/in 84 lbs/m sq ft 65 lbs 75 in

    Corrugated Strength Tests

    flute grades

    Edge Crush Test (ECT)

    Force is applied perpendicular to the edge of the corrugated board until it buckles. The results provide accurate representation of the material's strength, durability and stack resistance for heavier loads. The resulting value is shown in pounds per linear inch of load-bearing edge and is reported in ECT ratings.

    Note: 32 ECT is the most commonly used for corrugated material.

    Bursting Test

    The burst test, otherwise known as the Mullen Test, challenges the durability of the corrugated fiberboard’s surface. The burst test determines the amount of force required to puncture the liner board. The resulting value is given in pounds per square inch.

    Note: 200# means 200 pounds per square inch of force applied to the face of the liner board.