cardboard material specifications
The google cardboard mechanical body consists of three distinct parts: chassis, t-shirt, and button. each of these parts is made from e-flute, 1.7mm thickness corrugated cardboard. sleeve specifications. google cardboard is delivered to users inserted into a kraft bending chip, 18 mil thickness sleeve, with the side flaps folder over. cardboard. Cardboard boxes are industrially prefabricated boxes, primarily used for packaging goods and materials and can also be recycled. specialists in industry seldom use the term cardboard because it does not denote a specific material.. the term cardboard may refer to a variety of heavy paper-like materials, including, card stock, corrugated fiberboard, or paperboard.. Rxc specifications for corrugated paperboard (oct. 2015) burst strength the corrugated paperboard shall be tested for burst strength using tappi t-810 and meet the following specification: b-flute: ≥170 psi e-flute: ≥150 psi. note: need to pass ≥5 tests out of 6 total tests. if failed, retest 12 times with ≥8 passes flat crush. 
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