EQ 4.4

EQ 4.4

Low-Emitting Materials: Wood & Laminate Adhesives

Wood can not contain added urea-formaldehyde

PTS 1

Composite wood and agrifiber products, including core materials, must contain no added ______________.

urea-formaldehyde resins
Laminate Adhesives used to fabricate on-site nd shop applied assemblies containing these laminate adhesive must contain no added _____________________.
urea-formaldehyde
Composite Wood

is a product consisting of wood or plant particles or fibers bonded together by a synthetic resin or binder.

Examples; plywood, particle-board, OSB, MDF, strawboard, wheatboard, door cores.

Laminate Adhesive
is an adhesive use in wood/agrifiber products (veneered panels, composite wood products conatined in engineered lumber, door assemblies, etc.)
Formaldehyde
is a naturally occuring VOC found in small amounts in animals and plants, but is carcinogenic and an irritant to most people when present in high concentrations— causing headqches, dizziness, mental impairment and other syptoms.  When present in the air at levels above 0.1 ppm, it can cause watery eyes, buring sensation in the eyes, nose, and throat, nausea, coughing, chest tightness, wheezing, skin rashes and asthmatic and allergic reactions.
urea formaldehyde
is a combination of urea and formaldehyde that is used in some glues and may emit formaldehyde at room temperature
phenol formaldehyde
which off-gasses only at high temps, is used for exterior products, although many of those products are suitable for interior applications.
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