Dow Corning 3165

)NFORMATION ABOUT $OW #ORNING ¤ BRAND !DHESIVE 3EALANTS

3ILICONES AND %LECTRONICS

,ONG TERM RELIABLE PROTECTION OF SENSITIVE CIRCUITS AND COMPONENTS IS IMPORTANT IN MANY OF TODAY S DELICATE AND DEMANDING ELECTRONIC APPLICATIONS 3ILICONES FUNCTION AS DURABLE DIELECTRIC INSULATION AS BARRIERS AGAINST ENVIRON MENTAL CONTAMINANTS AND AS STRESS RELIEVING SHOCK AND VIBRATION ABSORBERS OVER A WIDE TEMPERATURE AND HUMIDITY RANGE

)N ADDITION TO SUSTAINING THEIR PHYSICAL AND ELECTRICAL PROPERTIES OVER A BROAD RANGE OF OPERATING CONDITIONS

SILICONES ARE RESISTANT TO OZONE AND ULTRAVIOLET DEGRADATION HAVE GOOD CHEMICAL STABILITY AND ARE AVAILABLE IN A VARIETY OF USEFUL FORMS AS CONFORMAL COATINGS ENCAPSULANTS AND ADHESIVES $OW #ORNING S BROAD RANGE OF GENERAL PURPOSE AND SPECIALTY PRODUCTS OFFERS YOU A CHOICE OF MATERIALS FOR YOUR APPLICATION NEEDS

$OW #ORNING OFFERS A VARIETY OF NONCORROSIVE SILICONE PRODUCTS FOR ELECTRONIC SEALING BONDING AND ADHERING APPLICATIONS 4HESE ADHESIVES GENERALLY FALL INTO THREE CURE TYPES 4HE lRST GROUP ARE MOISTURE CURE GENERALLY MEANT FOR ROOM TEMPERATURE PROCESSING 4HE SECOND TYPE CONDEN SATION CURE OFFERS RAPID ROOM TEMPERATURE AND DEEP SECTION CURING 4HE THIRD TYPE IS HEAT CURE FOR RAPID PROCESSING !LL CONVERT TO DURABLE RELATIVELY LOW STRESS ELASTOMERS -OST WILL DEVELOP GOOD PRIMERLESS ADHESION TO A VARIETY OF COMMON SUBSTRATES INCLUDING CERAMICS REACTIVE METALS AND lLLED PLASTICS

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/NE 0ART -OISTURE #URE 246

4HE ONE PART MOISTURE CURE ADHESIVES AND ARE GENERALLY CURED AT ROOM TEMPERATURE AND IN A RANGE OF TO PERCENT RELATIVE HUMIDITY 'REATER THAN PERCENT OF THEIR FULL PHYSICAL PROPERTIES SHOULD BE ATTAINED WITHIN TO HOURS DEPENDING ON THE PRODUCT CHOSEN -ATERIALS AND PARTS CAN BE HANDLED IN MUCH SHORTER TIMES OF ABOUT TO MINUTES DEPENDING ON THE PRODUCT CHOSEN AND THE AMOUNT OF MATERIAL USED PER PART 4HESE MATERIALS ARE NOT TYPICALLY USED FOR HIGHLY CONlNED OR DEEP SECTION CURES -ATERIALS WILL GENERALLY CURE ABOUT INCH PER SEVEN DAYS FROM ANY EXPOSED SURFACE #URE PROGRESSES FROM THE OUTER SURFACE AND IS DEPENDENT ON THE MOISTURE IN THE AIR 7ORKING TIME IS GENERALLY A FEW MINUTES TO AN

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3PECIlCATION 7RITERS 0LEASE CONTACT YOUR LOCAL $OW #ORNING SALES OFlCE OR YOUR 'LOBAL $OW #ORNING #ONNECTION BEFORE WRITING SPECIlCATIONS ON THIS PRODUCT

4IME TO DOUBLE INITIAL MIXED VISCOSITY

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$OW #ORNING¤ BRAND 0RODUCT

(EAT #URE 4IME

AT # & MINUTES AT # & MINUTES

0RIMERLESS 3ILICONE !DHESIVE n 0RIMERLESS 3ILICONE !DHESIVE 0RIMERLESS 3ILICONE !DHESIVE 0RIMERLESS 3ILICONE !DHESIVE %! &AST ,OW 4EMP #URE !DHESIVE

%! 4HIXOTROPIC &AST ,OW 4EMP #URE !DHESIVE

HOUR FOR THESE PRODUCTS UNTIL A SURFACE SKIN BEGINS TO FORM -ILD HEAT ACCELERATION OF THE CURE RATE MAY BE POSSIBLE BUT TEMPERATURES ABOVE # & ARE NOT RECOMMENDED

4WO 0ART 2OOM 4EMPERATURE #ONDENSATION #URE

$OW #ORNING¤ 1 3ILICONE !DHESIVE IS THE ONLY TWO PART CONDENSATION CURING PRODUCT /NCE MIXED CURE PROGRESSES RAPIDLY AT ROOM TEMPERATURE 'OOD STRENGTH IS ATTAINED WITHIN AN HOUR BUT FULL PROPERTIES ARE NOT REACHED FOR A NUMBER OF DAYS 1 ADHESIVE CONTAINS ITS OWN SOURCE OF MOISTURE AND CURE PROGRESSES EVENLY THROUGHOUT THE MATERIAL $EEP SECTION OR CONlNED CURES ARE POSSIBLE HOWEVER SOME LIMITATIONS EXIST 2EFER TO THE h2EVERSIONv SECTION OF THIS DATASHEET FOR ADDITIONAL INFORMATION

7ORKING TIME IS ONLY A FEW MINUTES

(EAT #URE

4HE ADDITION CURING ADHESIVES %! AND %! SHOULD BE CURED AT # & OR ABOVE 4HE CURE RATE IS RAPIDLY ACCELERATED WITH HEAT SEE CURE SCHEDULES IN TABLE &OR THICKER SECTIONS OR IF VOIDING IS OBSERVED A MINUTES PRE CURE AT # & MAY REDUCE VOIDS IN THE ELASTOMER !DDITION CURING MATERIALS CONTAIN ALL THE INGREDIENTS NEEDED FOR CURE WITH NO BYPRODUCTS FROM THE CURE MECHANISM $EEP SECTION OR CONlNED CURES ARE POSSIBLE #URE PROGRESSES EVENLY THROUGHOUT THE MATERIAL

4HESE ADHESIVES GENERALLY HAVE LONG WORKING TIMES

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!LL SURFACES SHOULD BE THOROUGHLY CLEANED AND OR DEGREASED WITH $OW #ORNING¤ BRAND /3 &LUIDS NAPHTHA MINERAL SPIRITS METHYL ETHYL KETONE -%+ OR OTHER SUITABLE SOLVENT 3OLVENTS SUCH AS ACETONE OR ISOPROPYL ALCOHOL )0! DO NOT TEND TO REMOVE OILS WELL AND ANY OILS REMAINING ON THE SURFACE MAY INTERFERE WITH ADHESION ,IGHT SURFACE ABRASION IS RECOMMENDED WHENEVER POSSIBLE BECAUSE IT PROMOTES GOOD CLEANING AND INCREASES THE SURFACE AREA FOR BONDING ! lNAL SURFACE WIPE WITH ACETONE OR )0! IS ALSO USEFUL $IFFERENT CLEANING TECHNIQUES MAY GIVE BETTER RESULTS THAN OTHERS 5SERS SHOULD DETERMINE THE BEST TECHNIQUES FOR THEIR APPLICATIONS

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$OW #ORNING SILICONE ADHESIVES ARE SPECIALLY FORMULATED TO PROVIDE UNPRIMED ADHESION TO MANY REACTIVE METALS CERAMICS AND GLASS AS WELL AS TO SELECTED LAMINATES RESINS AND PLASTICS (OWEVER GOOD ADHESION CANNOT BE EXPECTED ON NONREACTIVE METAL SUBSTRATES OR NON REACTIVE PLASTIC SURFACES SUCH AS 4EmON¤ POLYETHYLENE OR POLYPROPYLENE 3PECIAL SURFACE TREATMENTS SUCH AS CHEMICAL ETCHING OR PLASMA TREAT MENT CAN SOMETIMES PROVIDE A REACTIVE SURFACE AND PROMOTE ADHESION TO THESE TYPES OF SUBSTRATES $OW #ORNING¤ BRAND PRIMERS SEE h0RIMER 3ELECTION 'UIDEv CAN BE USED TO INCREASE THE CHEMICAL ACTIVITY ON DIFlCULT SUBSTRATES

0OOR ADHESION MAY BE EXPERIENCED ON PLASTIC OR RUBBER SUBSTRATES THAT ARE HIGHLY PLASTICIZED BECAUSE THE MOBILE PLASTICIZERS ACT AS RELEASE AGENTS 3MALL SCALE LABORATORY EVALUATION OF ALL SUBSTRATES IS RECOMMENDED BEFORE PRODUCTION TRIALS ARE MADE

)N GENERAL INCREASING THE CURE TEMPERATURE AND OR CURE TIME WILL IMPROVE THE ULTIMATE ADHESION

02)-%2 3%,%#4)/. '5)$%

4HESE VALUES ARE NOT INTENDED FOR USE IN PREPARING SPECIlCATIONS $OW #ORNING§

BRAND 0RIMER OR !DHESION

0ROMOTER

&LASH

0OINT

# &

6OLATILE

/RGANIC

#ONTENT

6/#

GRAMS

LITER 3PECIAL 0ROPERTIES&OR 5SE /N&OR 5SE 7ITH

3ILICONE 0RODUCT

%XAMPLES

0 #LEAR -OST METALS GLASS

CERAMICS AND SOME

PLASTICS 0IGMENTED TWO PART

ADDITION CURE

#LEAR

2ED #OLORED FOR EASIER

IDENTIlCATION

0 2ED

-OST METALS GLASS

AND CERAMICS !LL ONE PART ALCOHOL

CURE

&ILM FORMING-OST PLASTICS!LL

)MPROVES INHIBITION

RESISTANCE -OST PLASTICS AND

METALS

!LL TWO PART

ADDITION CURE

-OST METALS GLASS

AND CERAMICS

3YLGARD§ 0RIME

#OAT

0 #LEAR IS A LOW 6/# ALTERNATIVE TO #LEAR

0 2ED IS A LOW 6/# ALTERNATIVE TO 2ED

0 IS A LOW 6/# ALTERNATIVE TO

4HE LOWER 6/# VALUE IS FOR STATES AND AIR QUALITY MANAGEMENT DISTRICTS THAT HAVE RECOGNIZED VOLATILE METHYLSILOXANES AS 6/# EXEMPT

35"342!4% 4%34).'

$UE TO THE WIDE VARIETY OF SUBSTRATE TYPES AND DIFFERENCES IN SUBSTRATE SURFACE CONDITIONS GENERAL STATEMENTS ON ADHESION AND BOND STRENGTH ARE IMPOSSIBLE 4O ENSURE MAXIMUM BOND STRENGTH ON A PARTICULAR SUBSTRATE PERCENT COHESIVE FAILURE OF THE ADHESIVE IN A LAP SHEAR OR SIMILAR ADHESIVE STRENGTH TEST IS DESIRED 4HIS ENSURES COMPATIBILITY OF THE ADHESIVE WITH THE SUBSTRATE BEING CONSIDERED !LSO THIS TEST CAN BE USED TO DETERMINE MINIMUM CURE TIME OR CAN DETECT THE PRESENCE OF SURFACE CONTAMINANTS SUCH AS MOLD RELEASE AGENTS OILS GREASES AND OXIDE lLMS

53%&5, 4%-0%2!452% 2!.'%3

&OR MOST USES SILICONE ELASTOMERS SHOULD BE OPERATIONAL OVER A TEMPERATURE RANGE OF TO # TO & FOR LONG PERIODS OF TIME (OWEVER AT BOTH THE LOW AND HIGH TEMPERATURE ENDS OF THE SPECTRUM BEHAVIOR OF THE MATERIALS AND PERFORMANCE IN PARTICULAR APPLICATIONS CAN BECOME MORE COMPLEX AND REQUIRE ADDITIONAL CONSIDERATIONS

&OR LOW TEMPERATURE PERFORMANCE THERMAL CYCLING TO CONDITIONS SUCH AS # & MAY BE POSSIBLE BUT PERFORMANCE SHOULD BE VERIlED FOR YOUR PARTS OR ASSEMBLIES &ACTORS THAT MAY INmUENCE PERFORMANCE ARE CONlGURATION AND STRESS SENSITIVITY OF COMPONENTS COOLING RATES AND HOLD TIMES AND PRIOR TEMPERATURE HISTORY !T THE HIGH TEMPERTURE END THE DURABILITY OF THE CURED SILICONE ELASTOMER IS TIME AND TEMPERATURE DEPENDENT !S EXPECTED THE HIGHER THE TEMPERATURE THE SHORTER THE TIME THE MATERIAL WILL REMAIN USEABLE

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#ERTAIN MATERIALS CHEMICALS CURING AGENTS AND PLASTICIZERS CAN INHIBIT THE CURE OF ADDITION CURE ADHESIVES -OST NOTABLE OF THESE INCLUDE

s /RGANOTIN AND OTHER ORGANOMETALLIC COMPOUNDS

s 3ILICONE RUBBER CONTAINING ORGANOTIN CATALYST

s 3ULFUR POLYSULlDES POLYSULFONES OR OTHER SULFUR CONTAINING MATERIALS

s !MINES URETHANES OR AMINE CONTAINING MATERIALS

s 5NSATURATED HYDROCARBON PLASTICIZERS

s 3OME SOLDER mUX RESIDUES

)F A SUBSTRATE OR MATERIAL IS QUESTIONABLE WITH RESPECT TO POTENTIALLY CAUSING INHIBITION OF CURE IT IS RECOMMENDED THAT A SMALL SCALE COMPATIBILITY TEST BE RUN TO ASCERTAIN SUITABILITY IN A GIVEN APPLICATION 4HE PRESENCE OF LIQUID OR UNCURED PRODUCT AT THE INTERFACE BETWEEN THE QUESTIONABLE SUBSTRATE AND THE CURED GEL INDICATES INCOMPATIBILITY AND INHIBITION OF CURE

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'RAY ONLY

5, # !PPROVED

$OW #ORNING AND 3YLGARD ARE REGISTERED TRADEMARKS OF $OW #ORNING #ORPORATION

!LL OTHER TRADEMARKS OR BRAND NAMES ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS

? $OW #ORNING #ORPORATION !LL RIGHTS RESERVED 0RINTED IN 53! !'0 &ORM .O "

-)8).' !.$ $% !)2).'

5PON STANDING SOME lLLER MAY SETTLE TO THE BOTTOM OF THE LIQUID CONTAINERS AFTER SEVERAL WEEKS 4O ENSURE A UNIFORM PRODUCT MIX THE MATERIAL IN EACH CONTAINER SHOULD BE THOROUGHLY MIXED PRIOR TO USE

4WO PART MATERIALS SHOULD BE MIXED IN THE PROPER RATIO OR EITHER BY WEIGHT OR VOLUME 4HE PRESENCE OF LIGHT COLORED STREAKS OR MARBLING INDICATES INADEQUATE MIXING !UTOMATED AIRLESS DISPENSE EQUIPMENT CAN BE USED TO REDUCE OR AVOID THE NEED TO DE AIR )F DE AIRING IS REQUIRED TO REDUCE VOIDS IN THE CURED ELASTOMER CONSIDER A VACUUM DE AIR SCHEDULE OF INCHES (G FOR MINUTES OR UNTIL BUBBLING SUBSIDES

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7HEN TWO PART CONDENSATION CURING MATERIALS WITH

ORGANOTIN CATALYSTS SUCH AS 1 ADHESIVE ARE CURED IN CONlNEMENT ESPECIALLY IN DEEP SECTION AND ARE LATER SUBJECTED TO HIGH HEAT CONDITIONS THEY CAN POTENTIALLY REVERT BACK FROM A CURED ELASTOMER TO A mOWABLE POLYMER !LTHOUGH THIS CONDITION IS UNUSUAL PARTS USING 1 ADHESIVE SHOULD BE THOROUGHLY TESTED IN ACCELERATED TEMPERATURE CONDITIONS FOR THIS POTENTIAL LIMITATION 3/,6%.4 %80/352%

7HEN LIQUID OR VAPOR SOLVENT OR FUEL EXPOSURE CAN OCCUR IN AN APPLICATION THE SILICONE ADHESIVES DISCUSSED IN THIS BROCHURE ARE INTENDED ONLY TO SURVIVE SPLASH OR

INTERMITTENT EXPOSURES 4HEY ARE NOT SUITED FOR CONTINUOUS SOLVENT OR FUEL EXPOSURE 4ESTING SHOULD BE DONE TO CONlRM PERFORMANCE OF THE ADHESIVES UNDER THESE CONDITIONS

34/2!'% !.$ 3(%,& ,)&%

3HELF LIFE IS INDICATED BY THE h5SE "EFOREv DATE FOUND ON THE PRODUCT LABEL

&OR BEST RESULTS $OW #ORNING 246 ADHESIVES SHOULD BE STORED AT OR BELOW # & 3PECIAL PRECAUTIONS MUST BE TAKEN TO PREVENT MOISTURE FROM CONTACTING THESE MATERIALS #ONTAINERS SHOULD BE KEPT TIGHTLY CLOSED AND HEAD OR AIR SPACE MINIMIZED 0ARTIALLY lLLED CONTAINERS SHOULD BE PURGED WITH DRY AIR OR OTHER GASES SUCH AS NITROGEN

$OW #ORNING HEAT CURE ADHESIVES SHOULD ALSO BE STORED AT OR BELOW # # #ONTAINERS SHOULD BE KEPT TIGHTLY CLOSED AND KEPT IN COLD STORAGE AT ALL TIMES TO EXTEND SHELF LIFE

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)N GENERAL $OW #ORNING ADHESIVES SEALANTS ARE SUPPLIED IN NOMINAL AND KG AND LB CONTAINERS NET WEIGHT .OT ALL PRODUCTS MAY BE

AVAILABLE IN ALL PACKAGES AND SOME ADDITIONAL PACKAGES SUCH AS A BLADDER PACKS OR TUBES MAY BE AVAILABLE FOR CERTAIN COATINGS AND PACKAGE SIZES

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4HESE PRODUCTS ARE NEITHER TESTED NOR REPRESENTED AS SUITABLE FOR MEDICAL OR PHARMACEUTICAL USES

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(%!,4( !.$ %.6)2/.-%.4!, ).&/2-!4)/.4O SUPPORT CUSTOMERS IN THEIR PRODUCT SAFETY NEEDS $OW #ORNING HAS AN EXTENSIVE 0RODUCT 3TEWARDSHIP

ORGANIZATION AND A TEAM OF 0RODUCT 3AFETY AND 2EGULATORY #OMPLIANCE 03 2# SPECIALISTS AVAILABLE IN EACH AREA &OR FURTHER INFORMATION PLEASE SEE OUR WEBSITE WWW DOWCORNING COM OR CONSULT YOUR LOCAL $OW #ORNING REPRESENTATIVE

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4HE INFORMATION CONTAINED HEREIN IS OFFERED IN GOOD FAITH AND IS BELIEVED TO BE ACCURATE (OWEVER BECAUSE CONDITIONS AND METHODS OF USE OF OUR PRODUCTS ARE BEYOND OUR CONTROL THIS INFORMATION SHOULD NOT BE USED IN SUBSTITUTION FOR CUSTOMER S TESTS TO ENSURE THAT $OW #ORNING S PRODUCTS ARE SAFE EFFECTIVE AND FULLY SATISFACTORY FOR THE INTENDED END USE 3UGGESTIONS OF USE SHALL NOT BE TAKEN AS INDUCEMENTS TO INFRINGE ANY PATENT

$OW #ORNING S SOLE WARRANTY IS THAT THE PRODUCT WILL MEET THE $OW #ORNING SALES SPECIlCATIONS IN EFFECT AT THE TIME OF SHIPMENT

9OUR EXCLUSIVE REMEDY FOR BREACH OF SUCH WARRANTY IS LIMITED TO REFUND OF PURCHASE PRICE OR REPLACEMENT OF ANY PRODUCT SHOWN TO BE OTHER THAN AS WARRANTED

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