Product packaging in direct contact with the cardboard, paperboard moisture will affect the product if the humidity generated mildew. <br>The wet with grit blasting may affect blasting effect.
Product packaging in direct contact with cardboard, if the cardboard moisture will affect the dry humidity of the product, mold.<br>The steel sand used in the projectile may be affected by moisture, which affects the blast effect.
The product packaging directly contacts the cardboard. If the cardboard is damp, it will affect the dry humidity of the product and cause mildew.<br>The steel sand used for shot blasting may be affected by moisture, which may affect the shot blasting effect.<br>