3
Scotchmate
Product Selection Guide
TM
Nylon Reclosable Fasteners
March, 2007
Products
3M™ Scotchmate™ Nylon Reclosable Fasteners
Plainbacked Products
Loop
Hook
SJ3401
SJ3402
SJ3418FR
SJ3419FR
Pressure Sensitive Adhesive Products
Unnapped Loop
Napped Loop
SJ3518FR
SJ3523
SJ3527N
SJ3571
SJ3529
SJ3531
SJ3533N
Hook
SJ3519FR
SJ3522
SJ3526N
SJ3572
SJ3530
SJ3532N
Product Description
3M™ Scotchmate™ Reclosable Fasteners offer closure alternatives to zippers, screws,
snaps, hooks, bolts and more. They offer greater design flexibility, faster product
assembly, smoother and cleaner exterior surfaces and improved product performance in
many applications. The hook and loop fasteners consist of two strips of nylon fabric
which engage to form a quick fastening attachment. Simply pull the strips apart by hand
to disengage.
The woven hook backing is covered with flexible self supporting J shaped hooks,
about 300 hooks per square inch (46/sq. cm.) protruding up from a woven backing.
The woven loop backing is covered with thousands of soft, pliable loops, providing for
thousands of openings and closings (cycles). The loops can be napped or unnapped
providing higher cycle life. The hook and loop are preshrunk to insure maximum
dimensional stability and flatness.
These Scotchmate reclosable hook and loop fasteners can be coated on the backside
with various pressure sensitive adhesives.
Plainbacked Products
3M™ Scotchmate™ Reclosable Fastener SJ3402 Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3401 Loop
Standard Sew-on:
These standard products provide a tailored appearance for garments
and fabrics. They provide adjustable closure, and are washable and dry cleanable.
3M™ Scotchmate™ Reclosable Fastener SJ3419FR Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3418FR Loop
Flame Resistant Sew-on:
Improved flame resistance compared to Scotchmate
reclosable fasteners SJ3402/01 hook and loop, meets F.A.R. 25.853 paragraph (a)(1)(i)
and (a)(1)(ii). These are 60 and 12 second vertical burn tests, respectively.
3M Scotchmate
TM
TM
Nylon Reclosable Fasteners
Product Description
(continued)
Pressure Sensitive Adhesive (PSA) Products
These products allow hook and loop fasteners to be attached to substrates with the
convenience and ease of adhesive attachment. Simply peel off the liner and press
in place.
3M™ Scotchmate™ Reclosable Fastener SJ3526N Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3527N Loop
General Purpose Rubber PSA:
Suitable for indoor applications requiring higher
temperature performance than 3M™ Scotchmate™ Reclosable Fasteners SJ3529/31
and SJ3500 These general purpose products offer high adhesive bond to a wide variety
of materials, especially low surface energy materials such as polyethylene and
polypropylene while providing excellent moisture resistance.
3M™ Scotchmate™ Reclosable Fastener SJ3572 Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3571 Loop
Premium Performance Acrylic PSA:
For many static load applications exposed to
UV or elevated temperatures. Provides reliable performance over a wide range of
temperature and environmental extremes.
3M™ Scotchmate™ Reclosable Fastener SJ3522 Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3523 Loop
Plasticizer Resistant Acrylic PSA:
A unique pressure sensitive adhesive which
resists adhesive softening or oozing caused by most plasticizer oils in flexible vinyl
and similar materials. This offers convenient attachment to many flexible, plasticized
vinyls.
3M™ Scotchmate™ Reclosable Fastener SJ3519FR Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3518FR Loop
Flame Resistant Synthetic Rubber PSA:
A high performance flame resistant
adhesive, enabling these hook and loop fasteners to meet the requirements of F.A.R.
25.853 paragraph (a)(1)(i) and (a)(1)(ii). These are 60 and 12 second vertical burn
tests, respectively.
3M™ Scotchmate™ Reclosable Fastener SJ3530 Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3531 Napped Loop
•
3M™ Scotchmate™ Reclosable
Fastener SJ3529 Unnapped Loop
High Tack Synthetic Rubber PSA:
Suitable for many indoor applications, especially
to low surface energy materials such as polyethylene and polypropylene.
3M™ Scotchmate™ Reclosable Fastener SJ3532N Hook
•
3M™ Scotchmate™
Reclosable Fastener SJ3533N Loop
General Purpose Synthetic Rubber PSA:
Suitable for many indoor applications,
especially to low surface energy materials such as polyethylene and polypropylene.
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3M Scotchmate
TM
TM
Nylon Reclosable Fasteners
Product Description and Availability
3M™ Scotchmate™ Nylon Reclosable Fasteners
Plainbacked
Hook:
Loop:
Unnapped Loop:
Adhesive Type:
Liner on Adhesive
b
:
SJ3402
SJ3401
None
None
SJ3419FR
SJ3418FR
None
None
PE &
Red 3M
Logo
SJ3526N
SJ3527N
Rubber
a
White
PE &
Red 3M
Logo
Pressure Sensitive Adhesive Coated
SJ3519FR
SJ3518FR
Rubber
a
White
PE
SJ3530
SJ3531
SJ3529
Rubber
a
Yellow
PE
SJ3532N
SJ3533N
Rubber
a
Yellow
3.5 mil PP
& White
3M Logo
SJ3572
SJ3571
Acrylic
Clear
PE
SJ3522
SJ3523
Acrylic
Clear
Standard Widths,
Inches (mm)
c
:
± 1/16 in. (1.6 mm)
1/2 (13)
5/8 (16)
11/16 (17.5)
3/4 (19)
1 (25)
1
1
/
4
(32)
1
1
/
2
(38)
2 (51)
2
1
/
2
(63.5)
3 (76)
4 (102)
Standard Colors
d
:
✔
✔
–
✔
✔
–
✔
✔
✔
✔
✔
✔
✔
✔
–
–
–
✔
✔
–
–
✔
✔
–
✔
✔
–
✔
–
✔
–
✔
✔
–
✔
✔
–
✔
✔
–
✔
✔
✔
✔
✔
–
–
✔
✔
–
✔
✔
✔
✔
✔
✔
✔
✔
Black
Beige
White
50 (45.7)
Cut
Pieces
2 Years
✔
✔
–
✔
✔
–
✔
✔
–
–
✔
✔
–
–
–
Black
Beige
White
50 (45.7)
Cut
Pieces
1.5 Years
✔
✔
–
–
–
Black
Beige
White
50 (45.7)
Cut
Pieces
1.5 Years
✔
✔
–
✔
✔
Black
Beige
White
50 (45.7)
Cut
Pieces
2 Years
✔
✔
Black
Beige
White
50 (45.7)
Cut
Pieces
2 Years
✔
Black
Beige
✔
Black
Beige
White
50 (45.7)
Cut
Pieces
1.5 Years
✔
Black
Beige
White
50 (45.7)
Cut
Pieces
1.5 Years
Standard Roll Length
e
,
yds. (m):
Fabricated Forms
Available:
Shelf Life
f
:
50 (45.7)
Cut
Pieces
2 Years
a. All of our rubber adhesives contain synthetic rubber with no added latex.
b. PP: Polypropylene; PE: Polyethylene.
c. Not all widths for all products or colors may be available. Contact your 3M sales representative or 3M authorized distributor for widths not
listed.
d. Slight tan or yellow may be observed on white with rubber based adhesives. All products are available in additional non-standard colors.
Contact your 3M sales representative or 3M authorized distributor for pricing minimum quantities and lead times.
e. Under packaging conditions 70°F (21°C) and 50% R.H.
f. From date of manufacture, when stored in original packaging at 60° to 80°F (16° to 27°C and 40 to 60% relative humidity.
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3M Scotchmate
TM
TM
Nylon Reclosable Fasteners
Typical Closure
Performance
Characteristics
Note: The following technical information and data was collected under controlled
laboratory conditions and should be considered representative or typical only and
should not be used for specification purposes.
3M™ Scotchmate™ Reclosable Fasteners derive their strength from the area of
engagement as well as closure pressure. Vibration or side to side movement tends to
improve closure performance. Closure characteristics are indicated by typical values.
Closure Performance for plainback products
a
Dynamic T-Peel, lb./inch width (grams/cm width); ASTM D5170:
Typical
2.6 (466)
Dynamic Shear, pounds force/square inch (Newtons/cm
2
); ASTM D5169:
10 (6.9)
Dynamic Tensile, pounds force/square inch (Newtons/cm
2
):
8 (5.5)
a. 3M™ Scotchmate™ Reclosable Fastener Hook and Loop Products were disengaged at a rate of 12" (305 mm)/minute.
Attachment
Techniques
The following information is intended to assist the designer considering the use of
3M™ Scotchmate™ Reclosable Fasteners. Final product performance depends on
actual conditions, including the fastener selected, the conditions in which the fastener
is applied and 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 Scotchmate reclosable fastener area per pound
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 six different methods for attaching Scotchmate reclosable fasteners
to various surfaces.For complete details on techniques and options for attaching
fasteners, please see Attachment of 3M™ Scotchmate™ and Dual Lock™ Reclosable
Fasteners technical bulletin (70-0709-3929-6). The most important techniques for
these Scotchmate reclosable fastener products are summarized on page 5.
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3M Scotchmate
TM
TM
Nylon Reclosable Fasteners
Attachment
Techniques
(continued)
Pressure Sensitive Adhesive attachment:
The 3M™ Scotchmate™ Reclosable
Fasteners and adherend surfaces should have equilibrated for a minimum of 1 hour at
temperatures of 68°F (20°C) or greater before application. These adhesive backed
Scotchmate reclosable fasteners should be applied to surfaces that are smooth, dry and
free of oils, mold release agents or other surface contaminants.
The adherend should be cleaned to remove any surface contaminants with an appropriate
cleaning method for the customer’s substrate, type and quantity of surface contaminants
that need to be removed.
Note:
Follow the manufacturer’s precautions and directions for
use of the cleaning method(s) chosen.
After the adherend is clean, the liner is removed from the fastener and without touching
the adhesive, the Scotchmate reclosable fastener is applied to the surface using firm
roller pressure to help ensure complete adhesive contact to substrate. Adhesive bond
strength increases with time, as the adhesive flows into the substrate structure. Handling
strength is achieved immediately. Approximately 50% of ultimate bond strength is
achieved at room temperature in the first 20 minutes, 90% after about 24 hours and
100% after about 72 hours for acrylic adhesives. For the rubber based adhesives, 100%
bond strength is obtained in about 24 hours.
Heat (Press) Bonding:
3M™ Scotchmate™ Reclosable Fasteners SJ3526N, SJ3530,
SJ3519FR and SJ3532N hook and SJ3527N, SJ3529, SJ3518FR, SJ3531 and SJ3533N
loop can be attached to many fabric and foam articles with a technique called press
bonding. The Scotchmate reclosable fastener is adhered to the article, as indicated
above, and bond strength is increased by typically applying heat and pressure to the
adhesive side of the Scotchmate reclosable fastener fastener through the fabric or foam
article. Equipment can range from a simple household laundry iron to commercial press
units. Product performance will depend on the nature of the fabric or foam and other
conditions within any specific application. For this reason it is essential that the user
evaluate the Scotchmate reclosable fastener product to determine if it is fit for a
particular purpose and suitable for the user’s method of application.
Typical press bonding conditions:
Bonding Temperature: 250 to 425°F (121 to 218°C)
Bonding Pressure:
30 to 100 psi (207 to 690 kPa)
Bonding Time:
3 to 30 seconds
Mechanical Attachment:
The bond strength can be increased by mechanically
attaching it to difficult to adhere to surfaces such as textured plastics and wood by using
staples. Alternatively wood products can be sealed and pressure sensitive adhesive
backed fastener applied as discussed above.
Sewing
3M™ Scotchmate™ Plainbacked Reclosable Fasteners can be attached with manual or
semi-automatic sewing machines, generally utilizing the same thread used in the
garment or fabric. Six to ten stitches per inch (25.4 mm) is suggested. These products
are washable and dry cleanable.
Ultrasonic Bonding
Scotchmate plainbacked reclosable fasteners can be bonded to themselves or other
nylon fabrics with ultrasonic sealing equipment. This method can be used to provide
straps and other fabricated forms.
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