AWS EDITION 1, 2009

631

Appendix B

© 2009, AWI, AWMAC, WI - Architectural Woodwork Standards - 1st Edition, October 1, 2009

(Appendix B is not part of the AWS for compliance purposes)

Adhesive Summary

Class

ANSI/HPVA

WDMA

Type

Fsorm Propertie

Typicalusesforwood

bonding

UIrearesin TypeI

Drypowdersorliquids;

maybeblendedwith

melamineorotherresins

Highinbothwetanddrystrength;

moderatelydurableunderdamp

conditions;moderatetolowresistanceto

temperaturesinexcessof 120 ° F;whiteor

tan

Hardwoodplywoodfor

interioruseandfurniture;

interiorparticleboard;flush

doors;furniturecorestock

PIhenolresin* Tsype Drypowdersorliquid

Highinbothwetanddrystrength;very

resistanttomoistureanddampconditions;

darkredincolor

Primaryadhesiveforexterior

softwoodplywoodand

flakeboard

Resorcinol

resinand

phenol-resorc-

inolresins

TypeI Lseipqauriadt;ehlyardenersupplied

Highinbothwetanddrystrength;very

resistanttomoistureanddampconditions;

darkred

Primaryadhesivefor

laminatedtimbersand

assemblyjointstowithstand

severeserviceconditions

Polyvinyl

acetateresin

emulsions

Slight

moisture

resistance

Liquid;readytouse

Generallyhighindrystrength;low

resistancetomoistureandelevated

temperatures;jointstendtoyieldunder

continuedstress;whiteoryellow

Furnitureassembly,flush

doors,bondingofplastic

laminates,architectural

woodworking

Crosslinkable

polyvinyl

acetateresin

emulsions

TypeI

Similartopolyvinyl

acetateresinemulsions

butincludesaresin

capableofforming

linkage(catalyzed)

Improvedresistancetomoistureand

elevatedtemperatures;improvedlong-term

performanceinmoistorwetenvironments;

colorvaries

Interiorandexteriordoors,

mouldingandarchitectural

woodworking

Contact

adhesives TypeII

Typicallyanelastomer

baseinorganicsolvents

orwateremulsion

Initialjointstrengthdevelopsimmediately

uponpressing,increasesslowlyovera

periodofweeks;drystrengthsgenerally

lowerthanthoseofconventional

woodworkingglues;waterresistanceand

resistancetosevereconditionsvariable;

colorvaries

Forsomenonstructural

bonds;highpressure

decorativelaminatesto

substrates.Usefulforlow

strengthmetalandsome

plasticbonding.

Mastics

(elastomeric

construction

adhesives)

TypeII

Puttylikeconsistency,

syntheticornatural

elastomerbase,usuallyin

organicsolvents

Gapfilling;developstrengthslowlyover

severalweeks;waterresistanceand

resistanceforsevereconditionsvariable;

colorvaries

Lumberandplywoodto

joistsandstuds;gypsum

board;styreneandurethane

foams

Thermoplastic

synthetic

resins(hot

melts)

Nottestedfor

moisture

resistance

Solidchunks,pellets,

ribbons,rods,orfilms;

solvent-free

Rapidbonding;gapfilling;lowerstrength

thanconventionalwoodworkingadhesives;

minimalpenetration;moistureresistant;

whitetotan

Edgebandingofpanels;

filmsandpaperoverlays

EIpoxyresins Type

Chemicalpolymers,

usuallyintwoparts,both

liquid;completely

reactive,nosolvents

Goodadhesiontometals,glass,certain

plastics,andwoodproducts;permanence

inwoodjointsnotadequatelyestablished;

gap-filling

Usedincombinationwith

otherresinsforbonding

metals,plastics,and

materialsotherthanwood;

fabricationofcoldmolded

woodpanels

*MosttypesusedintheUnitedStatesarealkaline-catalyzed.Thegeneralstatementsrefertothistype.

AbovedatasummarizedfromTable 9 - 2 ,WoodHandbook,U.S.Dept.ofAgriculture,ForestService,AgricultureHandbook 72 , 1987

Generic

Name

ANSI/HPVA

WDMA

Type

Fsorm Propertie Typicabluonsedsinfogrwood

Aliphatic

(Carpenter's

Glue)

TeypeII Liquid;readytous HNiognh-tlyoxwica;tenronre-sfilsatmanmtafbolrei;nntoerni-osrtauisneing

Furnitureassembly,flush

doors,bondingofplastic

laminates,architectural

woodworking

CIasein TypeI

Drypowderform,or

preparedfromraw

materials

Highlywaterresistant,notwaterproof

Doorsforinterioruse,

laminatedtimber,some

architecturalwoodworking

TypedatasimilartoANSI/HPVA/WDMAtestingasfollows(notestingdonebytheArchitecturalWoodworkInstitute):

• -TypeI:Fullywaterproof(exterior) 2 CycleBoil/Sheartest


• -TypeII:Waterresistant(interior) 3 CycleSoaktest

B