sealants Flashcards

1
Q

pre-measured, mixed, and frozen at extremely low temp

A

PMF

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2
Q

material used to make sealant applicators

A

phenolic/plastic

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3
Q

intended for fillet and faying surface with removable structure, not high temp or structural

A

AMS 3284

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4
Q

type of sealant called “one-part” and ready for use

A

pliable

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5
Q

coating to protect exterior laminated plastic parts from rain erosion

A

elastomeric

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6
Q

sealants(polysulfides) application time is shortened when applied in an environment with humidity over ___

A

50%

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7
Q

PMF can be thawed in _ different ways

A

2

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8
Q

preferred topcoat for markings and propeller safety stripes

A

Acrylic Laquer

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9
Q

sealant used for rivets, not suitable for integral fuel tanks

A

MIL-PRF-81733

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10
Q

do not use zinc chromate primer on areas exposed to temps over

A

175F

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11
Q

combustible liquids have a flash point between

A

100°F and 200°F

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12
Q

flammable liquids have a flash point under

A

140°F

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13
Q

polythioether sealants (AMS 3277) require extremely low temperature of what refrigeration for retention

A

-80F

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14
Q

sealant intended for sealing firewalls against passage of air and vapors

A

AMS 3374

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15
Q

type of sealants that cure independently of humidity conditions

A

Polythioether

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16
Q

sealant is a multi-purpose aircraft structure and integral fuel tank sealant with rapid ambient and low temp curing capability

A

AMS 3277

17
Q

which sealant tape consists of an extruded gasket with pressure sensitive adhesive backing

A

ePTFE