Datasheet
DOW CORNING®
785 Sanitary
Silicone
DOW CORNING®
784 Glazing
Silicone
DOW CORNING®
781 Acetoxy
Silicone
DOW CORNING®
767 Marble
Silicone
Surface cleaningSurface
Masonry
Not recommendedNot recommendedNot recommendedP*Remove all loose particles & dustConcrete mortars¹
Not recommendedNot recommendedNot recommendedTest/P*Remove all loose particles & dustBrick¹
Not recommendedNot recommendedNot recommendedTest/P*Remove all loose particles & dustGranite¹
Not recommendedNot recommendedNot recommendedBarrier*Abrade, remove loose particles & dustG.R.C¹
Not recommendedNot recommendedNot recommendedTest/1200*Remove all loose particles & dustMarble¹
Not recommendedNot recommendedNot recommendedTest/P*Remove all loose particles & dustLimestone¹
Not recommendedNot recommendedNot recommendedTest/P*Remove all loose particles & dustSandstone¹
Metals
Test/1200*Test/1200*Test/1200*Test/1200*DegreaseAluminium - mill finished
Test/1200*Test/1200*Test/1200*Test/1200*DegreaseAluminium - anodised
Not recommendedNot recommendedNot recommendedTest/1200*Remove oxide by abrasion and degreaseLead
Not recommendedNot recommendedNot recommendedTest/1200*Remove oxide by abrasion and degreaseMild steel
Test/1200*Test/1200*Test/1200*Test/1200*DegreaseStainless steel
Not recommendedNot recommendedNot recommendedTest/1200*DegreaseGalvanised steel
Not recommendedNot recommendedNot recommendedTest/1200*Remove oxide by abrasion and degreaseCopper
Plastics
Test/1205*Test/1205*Test/1205*Not recommendedDegreasePVC-U³
Test/1205*Test/1205*Test/1205*Not recommendedDegreasePlasticised PVC³
Not recommendedNot recommendedNot recommendedNot recommendedDegreaseMolded nylon³
Test/1200*Test/1200*Test/1200*Not recommendedDegreaseAcrylic³
Test/1200*Test/1200*Test/1200*TestDegreasePolyester³
Test/1200*Test/1200*Test/1200*TestDegreaseP.V.F2³
Not recommendedNot recommendedNot recommendedNot recommendedDegreasePolycarbonate³
Coatings/paints
Test/1200*Test/1200*Test/1200*Test/1200*DegreaseAcrylic³
Test/1200*Test/1200*Test/1200*Test/1200*DegreaseAlkyd³
Test/1200*Test/1200*Test/1200*Test/1200*DegreaseSilicone³
Test/1200*Test/1200*Test/1200*Test/1200*DegreasePolyurethane³
Test/1200*Test/1200*Test/1200*Test/1200*DegreaseP.V.F2¹ ³
Test/1200*Test/1200*Test/1200*Test/noneDegreasePolyester powder¹ ³
Rubber & Sealants
Test/1205*Test/1205*Test/1205**Not recommendedDegreaseE.P.M.D. butyl neoprene²
Test/1205*Test/1205*Test/1205*Not recommendedDegreasePolyurethane²
Polysulfide²
Acrylic²
No primer requiredNo primer requiredNo primer requiredNot recommendedDegreaseSilicone¤
Glazed surfaces
No primer requiredNo primer requiredNo primer requiredNot recommendedDegreaseGlass
For advice, contact
Dow Corning
For advice, contact
Dow Corning
For advice, contact
Dow Corning
Not recommendedDegreaseLaminated/reflective glass
No primer requiredNo primer requiredNo primer requiredTestDegreaseGlazed ceramic tiles
No primer requiredNo primer requiredNo primer requiredNot recommendedDegreasePorcelain
No primer requiredNo primer requiredNo primer requiredTestDegreaseVitreous enamel
Wood/wood finishes
Test/1200*Test/1200*Test/1200*TestDegreaseOak,pine
Barrier*Barrier*Barrier*TestDegreaseTeak
Test/1200*Test/1200*Test/1200*TestDegreaseStained timber/micro-porous
finish
*Legend
1200 = DOW CORNING 1200 OS Primer
P = DOW CORNING P Primer
Barrier = DOW CORNING Barrier Primer
1205 = DOW CORNING 1205 Primer
Ref. no. 62-0965A-01
4 / DOW CORNING Construction Primer Guide








