SJ-3552 1"【PDF 1/6 页】DUAL LOCK PRESS 1"X25YD BLK 170

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Dual Lock ? Reclosable Fasteners

SJ3551 (Type 400)

SJ3552 (Type 170)

SJ3550 (Type 250)

Technical Data

Product Description

Product Construction

August, 2005

3M? Dual Lock? Reclosable Fasteners SJ3550, SJ3551 and SJ3552 consist of continuous

strips of polyolefin stems with a mushroom shaped top protruding up from the backing.

There are three types (170, 250 and 400) of these fasteners referring to the approximate

number of stems per square inch.

These fasteners have a 37 mil white conformable acrylic foam adhesive providing good

contact with substrates having a slight texture or surface irregularities. The adhesive is

protected with a clear silicone treated liner allowing easy removal from the adhesive.

This product is also available in some widths with a fabricator splice which is sometimes

called a functional splice. This consists of the Dual Lock adhesive and/or the adhesive side

of the liner being spliced, thus providing product and liner continuity on the roll. These

products are designated with a FS suffix, after the SJ product number.

This product is available in some widths with a colored 3M? Scotchmate? Reclosable

Fastener loop splice. The Scotchmate reclosable fastener loop engaged to the Dual Lock

reclosable fastener provides for a strong splice allowing the product to be pulled through

automated converter equipment. These products are designated with a SM suffix after the

SJ product number.

A version suitable for use in clean room conditions is designated with a V suffix after the

SJ product number. This product is vacuumed to remove particles and surface contaminants

before being sealed in plastic bag to reduce the chance for contamination before use.

These Dual Lock reclosable fasteners can be mated in the following combinations of

increasing closure strength: Type 170 to Type 250, Type 250 to Type 250, Type 170 to Type

400 and Type 250 to Type 400. In some cases mating with 3M? Scotchmate? Reclosable

Fasteners Loop provides a quick grab - low engagement force with a high closure strength,

but reduced cycle life.

Note: The following technical information and data should be considered representative or

typical only and should not be used for specification purposes.

3M? Dual Lock? Reclosable Fastener

Product Number

SJ3552 SJ3550 SJ3551

Type: Approx. Stems/In 2 (stems/cm 2 )

170 (26)

250 (39)

400 (62)

Material of Construction

Stem/Heads

Backing

Adhesive

Thickness (a) Unmated ± 10%

Selvedge Edges

Liner

Black Polypropylene

White 3M? Acrylic Foam Adhesive

0.14" (3.5 mm)

None

Clear 4.0 mil (0.10 mm) thick silicone treated

polyolefin liner printed with 3M Dual Lock in red.

Weight (a) ounces/in 2 (grams/cm 2 )

0.028 (0.123)

0.030 (0.132)

0.032 (0.142)

a) All thickness and weight values are with the liner removed.

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