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Referenced D2578 purchase separately The documents listed below are referenced within the subject standard but d2578 not provided as part of the standard. It is not a fundamental property of d2578 surface but depends on interaction between the solid and a particular environment.
d2578 It is therefore possible to relate the wetting tension of a polyethylene or a polypropylene film d2578 to its ability to accept and retain inks, coatings, adhesives, etc.
D2578 the present date, insufficient experience has been gained d2578 state a generally acceptable level of wetting 2d578 for polypropylene films for commercial flexographic printing. These same treating techniques have been found to increase the wetting tension of d2578 polyethylene or a polypropylene film surface in contact with mixtures of formamide d2578 ethyl Cellosolve in the presence of air.
This test method and the specified reagents were specifically developed for d25778 and polypropylene films.
The measured wetting tension d2578 a specific film surface can only be related to acceptable ink, coating, or adhesive retention d278 experience.
Link to Active This link will always route d2578 the current Active version of the standard. Specific hazards statements are given d2578 Section 8. Historical Version s – view previous d25788 of standard.
The values given in parentheses are d2578 conversions to inch-pound units that are d2578 for information only and are not considered standard. Wetting tension in itself is not a f2578 acceptable measure of ink, coating, or adhesive adhesion. These forces can be represented by surface energies acting in the d2578 of the surfaces and it follows that: The applicability d2578 significance for use of non-polyolefin materials must be d2578 by the user.
It is, however, possible d2578 some other level of wetting tension may be required to indicate the d2578 of polyethylene films made by other processes, or from other types of polyethylene, or intended for other uses. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior d2578 use. It is possible to utilize this test method and the specified reagents for films composed of other polymers, but this can affect x2578 surface energies d2578 the gas-liquid and solid-liquid interfaces, which d2578 affect the contact angle and wetting d2578.