SJ4570 1"X25YD【PDF 3/4 页】RECLOS FASTEN DL LOC 1"X25YD CLR

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Sheet目录1008

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3M Dual Lock Low Profile Reclosable Fasteners

TM TM

SJ4570 Clear

SJ4575 Black

Attachment Guide

PRESSURE SENSITIVE ADHESIVE ATTACHMENT:

The adhesive system provides reliable bonding to a wide variety of materials:

Bare Metals

Painted Metals

Glass

Fiberglass

Sealed Wood

Structural Composites

Glass

Many Plastics: ABS

Acrylic

Polycarbonate

Polystyrene

Rigid Vinyl

Powder Coated Paints

Attachment

Techniques

The following information is intended to assist the designer considering the use

of 3M? Dual Lock? Low Profile Reclosable Fasteners SJ4570 and SJ4575. Final

product performance depends on actual conditions, such as fastener selected, the

conditions in which the fastener is applied, the time and environmental conditions in

which it is expected to perform. Because many of these factors are uniquely within

the user’s knowledge and control, it is required that the user evaluate the 3M

product to determine whether it is fit for a particular purpose and suitable for the

user’s method of application and desired end use.

As a general rule, four square inches of fastener area per pound (57.3 square

centimeters per kilogram) of static load to be supported is suggested as a starting

point for evaluation. More or less area may be needed depending on specific

conditions or end use applications.

There are typically 6 different methods for attaching Dual Lock low profile

reclosable fasteners to various surfaces. The most important technique for Dual

Lock low profile reclosable fastener is summarized below. For complete details on

techniques and options for attaching 3M? Scotchmate? or 3M? Dual Lock?

Reclosable Fasteners please see the technical bulletin “Attachment of 3M?

Scotchmate? and 3M? Dual Lock? Reclosable Fasteners.”

Pressure Sensitive Adhesive attachment: The fasteners and substrate surfaces

should have equilibrated for a minimum of 1 hour at temperatures of 68°F (20°C)

or greater before application. These adhesive backed fasteners should be applied to

surfaces that are smooth, dry and free of oils, mold release agents or other surface

contaminants.

The substrate should be cleaned with an appropriate cleaning method for the

customers substrate(s) and surface contaminant(s) and amount that need to be removed.

NOTE: Be sure to follow the manufacturer’s precautions and directions for use when

using solvents, or other cleaning method.

The liner is removed and without touching the adhesive, the fastener is applied to

the surface using firm roller pressure to help ensure complete adhesive contact to

the substrate. The pressure-sensitive adhesive bonds on contact and parts can be

handled immediately. Adhesive bond strength increases with time, pressure and

temperature. A minimum of twenty four (24) hours dwell is recommended before

applying a load or disengaging. Recommended time to achieve maximum bond

strength is 72 hours (3 days).

-3-

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