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02/22-/99 18:33 N0.036 Dib 7 Bonding primary The tane indicates the adhesive poit fife undervanous ternperatirecordAmns.In hot systems(cont.) weather,pot life may be extended by wrapping a damp rag around the can of mined adhesive or by spreading the adhesive on aluminum foil to dissipate the heat. Pot lifelcure times for Arneron 820 adhesive Minimum Ambient Adhesive Minimum Joint -emperature Pot Life Cure 711me' C`7 FC) (minutes) [bouts) 40 5 70 t2 65 16 40 5 75 ?4 30 4 95 35 20 3 culluiative locals.Cure time at i1siec temperatures need not CC miruerrupted.but total time must Aqua)the tabtdated time before the system is:reasLae'e�tPd Force curing adhesive r — At temperatures below 40•F(5•C)ortf the tem ieratur a will nct be above 401F(5°C) I Temperatures may be Iewer J during the entire period of cure.an external heat source must be used to force care the than ambient in a trench or 1 adhesive.i he adhesive and the bonding surfaces shotdd be warmee to 5TF(10'C) out of direct sunilgrit. oefore rmxirg and applying the adlesive. L.,,...--------� Below 40*F(5°C)force cure the adhesive with an extermi heat source such as: • Chem Cure Pak(US Pat.No.3,475,239) • Arneron heating blanket suffreier*large to cover the joint • Faced air heater if the trench is covered to contain the;teat • Hotairgun Using Chem Cure Pak with Ameron B20 adhesive The Chem Cure Pak is a self-ccrrained,nonelectrcal heat source for curing adhesive- aoncee joe;s.Instructions are pnnted cn the Pak wrapper.The Pak is designed so that sufficient neat is generated to cure Vnemr B20 adhesive In one hour at ambient temperatures as saw as 0'F(-I S'%The Chem Cure Pak is manufactured in different sizes cerresoondirg-o the ciameter of the piping being installed.Use the correct size Pak for your irstalfation.Refer m taoie on page 11 when ordering. n cold weather,wrap insuiation around the Pak as soon as it has stopped steaming. -or lower temperatures or when installing extra-heavy fittings,consult Ameron for r---———————————1 specific recommendations. Chem Cure Pak contains oxalic i Assemble oice and fittings using standard fletd installation procedures. Add-Harmful if swailewed.Causes Mix the chemicals thoroughly as directed on the Pale wrapper. skin and eye irritation. j L———————— ———...J Wrap the Pais around the connections,centering it over the tapered section of the joint.not overthe end oftne fitting.Cover the entire bonding area to which adheswve has been applied Peter to wig.'- . -� - Use one Pak per bond:sleeve couplings ins-inch sizes and larger require two Actwamr Pairs.However,a single Pak is sufficient for curing both bonds in a 2-inch sleeve t-in Biot j rMn9y • coupling. . Sec—in—!he Pak with tie wits. i ! Cut slits at least t inch wide(25,n"on either side of the Pax. ' Inject water into the slits with!he activator syringe or pour in a small amount from a cup. Tre wires ` ^erner Psi ovn Aluminum foil may be wrapped directty over the joint to orovent the Pak from sticxing if it is necessary that:he expended Pax be ramoved from the trench. Fig-7-1.7?�e Chem Cure Pse%'2oWd Follow the precautions printed on tie Chem Cure Pak wrapper: ordure s team in about 3G seconds atter njecnng water.tfno reacrian occurs, Do not get ingredients on skin,in eyes,or on clothing. scard 6"e Pak and use ancrher one. Do not breathe duz t or vapor. • Use only outdoors where adequate vertiiaboc is provided. • Do not take internally. • Keep out of reach of children. �D