Open time and set time are two key processing parameters for EVA-based hot melt adhesives (HMA) which will significantly affect the extent of instantaneous bonding and eventual fracture energy. It is not necessary to offer long open time and fast set time for any application.

Cloud Point for an EVA-Based Hot Melt Adhesive

Cloud Point is the temperature at which a hot melt adhesive becomes cloudy on cooling and is a measure of compatibility of the formula components. Hot Melt Adhesives (HMA) with a lower cloud point normally impart longer open time and better hot tack.

Shear Adhesion of Pressure Sensitive Adhesives

Shear adhesion, or holding power, is one of the most important pressure sensitive adhesives (PSA) performances. Shear adhesion is the ability of a tape to resist the static forces applied in the same plane as the backing.

Factors that Affect Pressure Sensitive Hot Melt Adhesive adhesion performances and values

). Sometimes, the heat resistance, Shear Adhesion Fail Temperature (SAFT), and cold resistance are also requested for specific applications. These standard test methods are available form ASTM, PSTC, TLMI, FINAT, and AFREA, etc.

Tack of Pressure Sensitive Adhesives

Tack, or quick stick, is one of the most important properties of pressure sensitive adhesives (PSAs). The definition of tack is the property of a pressure sensitive adhesive that allows it to adhere to a surface under very slight pressure.

Web Pages

Web Pages:

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Web | Glue Machinery Corporation™ 4234 Boston St, Baltimore, Maryland 21224 Toll Free 1-888-202-2468 | Phone: 410-761-2727 | Fax: 410-761-5127 | Email: info@gluemachinery.

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Web | 100 psi (7 bar; 0.7 MPa) Max. air inlet pressure: 100 psi (7 bar; 0.7 MPa) Fluid inlet Fluid inlet: 3/8 npt(f) Fluid outlet Fluid outlet: 1/4 npt(f) Air inlets (requires 4 way air valve) Air inlets (requires 4 way air valve): (2) 1/8 npt(f) Dimensions: 9.25 in L x 1.75 in W x 2.

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