[dfx/incl/99dfx.htm]
Mechanical ASSEMBLY COMPONENTS
Top Product
* Resists moisture
* Dispenses easily
UV/visible adhesive.
This light curing adhesive, 3-20556, forms durable bonds to polystyrene and other
plastics in only a few seconds without crazing. The crystal-clear bonds resist moisture,
thermal cycling and exhibit high impact resistance. 3-20556 has a moderate viscosity of
7,500 cP that allows it to dispense easily. The adhesive forms solvent-free bonds on an
expanded array of plastics and other substrates including UV-absorbing clear or tinted
plastics, as well as semi-transparent materials such as FR-4 circuit boards and white
ceramics. Recommended plastics include polystyrene, polycarbonate, acrylic, PMMA, and PVC.
Applications include bonding of polystyrene novelty items, polycarbonate housings,
metal-to-plastic construction, and acrylic shelving and racks. Dymax Corporation,
Torrington, CT.
http://www.1rs.com/009df-633
Free Info - Circle 633
 Ceramic-filled epoxy. Aremco-Bond 2310 is
available for bonding applications requiring ultra- high lap shear and peel strengths. The
epoxy is a flexible, ceramic-filled, high-strength structural adhesive system that
provides lap shear strength to aluminum of 4,560 psi and T-peel strength of 24 pli. The
adhesive offers good impact and vibration resistance and low temperature flexibility, and
exhibits very good electrical, mechanical and thermal properties. Aremco Products
Inc, Valley Cottage, NY.
http://www.1rs.com/009df-634
Free Info - Circle 634
 Acrylic attachment tape. Norcryl solid acrylic
attachment tapes offer strong bonding power and can reduce or replace conventional
fasteners, rivets, liquid adhesives and welds. The K-2000 series is translucent, allowing
the tape to blend in with the background. The K-1000 series is clear and virtually
invisible once applied. Norcryl is available in thicknesses from 0.010- to 0.60-in. and in
roll widths from 1/4- to 18-in. Saint-Gobain Performance Plastics, Wayne,
NJ.
http://www.1rs.com/009df-635
Free Info - Circle 635
 Hexagonal socket. The ENSAT-SBI self-tapping
insert features a hexagonal socket that reduces installation time. Good for lightweight
materials, it offers high loading capacity and resistance to wear. Applications include
aluminum and aluminum alloys, magnesium alloys, thermoset plastics and thermoplastics. The
socket can be used in cast, pressed or diecast workpieces made of metal, drawn or rolled
sectional material, wooden construction and plastic moldings. Precision Fasteners
Inc, Flanders, NY. http://www.1rs.com/009df-636
Free Info - Circle 636
 Stainless steel standoffs. Self-clinching Type
SO4 through-hole threaded standoffs and Type BS04 blind threaded standoffs provide strong
permanent threads in stainless steel sheets as thin as 0.040 in. The standoffs are made
from 400 Series stainless steel and are for use in stainless sheets with a hardness of 88
Rc or less. They install permanently with a squeezing force in punched or drilled round
holes. Penn Engineering & Manufacturing Corp, Danboro, PA. http://www.1rs.com/009df-637
Free Info - Circle 637
 Alumina adhesive. Resbond 989, 3000°F,
high-purity adhesive protects heat sensors used in corrosive environments. It adheres to
metals, ceramics, graphite or glass, and can be dispensed automatically. It cures at room
temperature to provide high bond strength and good electrical, chemical, solvent and
moisture resistance. Applications include bonding and protecting thermocouples, heat
sensors and critical electronic components from moisture and humidity at elevated
temperatures. Cotronics Corp, Brooklyn, NY. http://www.1rs.com/009df-638
Free Info - Circle 638
 Threaded fastener seal. A thin, 0.016-in. thick
film of soft Plastisol material applied to the underside of screw-washer assemblies
provide superior sealing and torquing characteristics. The material eliminates cold flow
of the seal and the need for re-torquing of the fastener. Plastisol can be formulated to
resist chemical attack, is self-extinguishing, and provides excellent weatherability and
dielectric strength. It also absorbs noise and vibration. ND Industries, Clawson,
MI. http://www.1rs.com/009df-639
Free Info - Circle 639
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