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©2001
Pearce Plastics, Inc
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As
Compatibility is an important consideration when working
with plastic packaging, this cart should help stream
line your compatibility testing process.
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Resin
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PET
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LDPE
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HDPE
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PP
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PS
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PETG
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Density
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1.35
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.91
to .925
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.94
to .965
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.89
to .91
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1
to 1.1
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1.27
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Clarity
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Clear
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Hazy
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Hazy
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Hazy
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Clear
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Clear
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Moisture
Barrier
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Fair
to Good
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Good
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Good
to Excellent
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Good
to Excellent
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Poor
to Fair
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Fair
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Oxygen
Barrier
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Good
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Poor
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Poor
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Poor
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Good
|
Good
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Acid
Resistance
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Fair
to Good
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Fair
to Very Good
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Fair
to Very Good
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Fair
to Good
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Good
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Fair
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Grease
& Oil Resistance
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Good
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Good
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Good
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Good
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Fair
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Good
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Distortion
Temp
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125
to 160F
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160
to 220F
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175
to 180F
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230
to 260F
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200
to 220
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140
to 160
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Rigidity
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High
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Low
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Moderate
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High
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High
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High
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Impact
Resistant
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Good
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Excellent
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Good
to Excellent
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Fair
to Good
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Fair
to Good
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Good
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Sunlight
Resistant
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Good
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Fair
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Fair
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Fair
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Fair
to Poor
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Good
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Max
Hot Fill (F)
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120
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150
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190
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200
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150
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140
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Cool
Tolerance (C)
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-40
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-100
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-100
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0
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-
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-40
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Next-
Molding Methods
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