
PKGO | OWNER’S GUIDE
19
WHY ALUMINUM?
Lightweight, durable and infinitely recyclable, aluminum has become an essential element of
our daily lives. Aluminum foil is an almost ubiquitous and indispensable tool in kitchens across
the world. Aluminum cookware is also prevalent, past studies indicate it may comprise 52% of
all cookware. Aluminum is the third most common element on earth, widely distributed in soil,
plants and water, including our food and drinking water. Aluminum is also what we make PK
Grills out of and have been since 1952.
As the sustainable material of choice, its applications span from everyday items like fuel-
efficient vehicles, smart phones, zippers and foil to wiring the nation’s power grid and housing
the International Space Station.
Aluminum is a particularly good choice for our
grills because of its combination of light weight,
durability and thermal conductivity. Aluminum
conducts heat 2.5x more efficiently than cast iron
and 4x better than steel. What that means inside
the cooking chamber of a grill is that the heat gets
distributed more evenly across the metal. Fewer
hot spots and a more efficient transfer of heat
throughout the chamber will provide consistent
temperatures around your food as they cook.
Outdoor cooking with a cast aluminum PK Grill
is a safe, efficient and ideal method of preparing
grilled and smoked foods. The aluminum we use
conducts heat better than other materials and
naturally forms a hard coating of oxidization
which makes it impervious to rust, making it last
for decades with minimal care.
ALUMINUM
13
AI
26.982
MATERIAL
THERMAL
CONDUCTIVITY
W/m K
Diamond
1000
Silver
406.0
Copper
385.0
Gold
314
Brass
109.0
Aluminum
205.0
Iron
79.5
Steel
50.2
Lead
34.7
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