Page 533 - Handbook of Adhesives and Sealants

460 Chapter Twelve

TABLE 12.4 Typical Application Areas for Generic Sealants 2
Generic type Cost range Typical applications
Oil base Low Small wooden window sash, caulk-
ing for expansion and contraction of
joints
Oil resin base Low Sealing of concrete joints, masonry
copings, glazing, metal windows
Butyl mastics Medium Caulking expansion and contraction
joints, sealing electrical conduit
Butyl curable Medium Home sealants, repair of gaskets,
tapes, with resins for hot melts on
insulating glass
Butyl/polybutylene Medium Metal buildings, slip joints, inter-
locking curtain wall joints, sound
deadening tapes
Polyisobutylene Medium Primary seal on insulating glass,
hot melt sealants
Emulsion acrylic Medium Water based for interior use joints
(high modulus) on plywood
Emulsion acrylic Medium Water based caulks for exterior
(low modulus) joints on low rise housing, with good
movement capabilities, excellent
weathering
Hypalon Medium– Exterior joints on high rise con-
High struction, around doors and win-
dows
Solvent acrylic Medium Exterior joints on high rise con-
struction, around doors and win-
dows with low movement, pipe
joints, glazing, masonry and metal
caulking, liquid gaskets and pipe
dope
Block copolymer Medium Low rise buildings with good move-
ment
One part polysulfide High High rise building joints, caulking,
and glazing, sealing between dissim-
ilar metals, deck caulking and seal-
ing of refracting mirrors
Two part polysulfide High High rise building joints, aircraft
fuel tanks, boating, insulting glass
sealant, airport aprons, potting,
molding
One part urethane Medium– High rise building joints, sealing,
High caulking and glazing