ASTM D3708 Standard Test Method for Weight of Wax Applied During Curtain Coating Operation
1. Scope
1.1 This test method covers the determination of the weight of hot melt coating applied to corrugated board by curtain coating. It is intended to be used for routine process control in the plant.
NOTE 1 - Related methods for determining the weight of wax coating include the following: Test Method D3521; Test Method D3522, and Test Method D3344.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
D3344 Test Method for Total Wax Content of Corrugated Paperboard
D3521 Test Method for Surface Wax Coating on Corrugated Board
D3522 Test Method for Applied Coating Wax and Impregnating (Saturating) Wax in Corrugated Board Facing
3. Terminology
3.1 Definitions:
3.1.1 wax loading - the weight of wax present primarily as a surface film but including the minor part embedded in the surface fibers of corrugated board. It is expressed as weight per unit area, usually in grams per square metre or pounds per thousand square feet of board.
