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Underfill FF35 is a non-odorous, low surface tension, one component epoxy resin designed for use as a capillary flow underfill for flip chip, CSP, BGA and uBGA assemblies. Underfill FF35 offers excellent capillary action for flat, fast and complete spread. Faster throughput and higher yields are achieved through excellent capillary action, faster flow characteristics and rapid cure speeds.
Feartures

Excellent Capillary Function for Fast Reflow

Compatible with No-Clean Flux Residues

Odorless During Printing and Curing

25%-35% Faster flow

Reworkable at 120°C

Good Storage Properties

No Voiding

Color	Yellow
Extractables	Extractable Ionic Content — < 10 PPM
Flow Rate	5 mm/ 1 minute
Physical State	Liquid
Primary Type	Epoxy
Shelf Life	At 25°C — 1 week, at 5°C — 1 month, at -20°C — 6 months
Special Features	Reworkable at 120°C and flows at 120°C - 140°C
Specific Gravity	1.25 G/cc
Temperature Range	Maximum Temperature 150°C
Time, Setting	Cure time at 100°C — 8-10 minutes, at 125°C — 4-5 minutes, at 150°C — 1-2 minutes
Viscosity	At 25°C at 5 RPM — 800 CPS
Volatile	Total < 1%
关键词

Color Yellow  Aim Color Yellow  Epoxy Compounds Color Yellow  Aim Epoxy Compounds Color Yellow   Extractables Extractable Ionic Content — < 10 PPM  Aim Extractables Extractable Ionic Content — < 10 PPM  Epoxy Compounds Extractables Extractable Ionic Content — < 10 PPM  Aim Epoxy Compounds Extractables Extractable Ionic Content — < 10 PPM   Flow Rate 5 mm/ 1 minute  Aim Flow Rate 5 mm/ 1 minute  Epoxy Compounds Flow Rate 5 mm/ 1 minute  Aim Epoxy Compounds Flow Rate 5 mm/ 1 minute   Physical State Liquid  Aim Physical State Liquid  Epoxy Compounds Physical State Liquid  Aim Epoxy Compounds Physical State Liquid   Primary Type Epoxy  Aim Primary Type Epoxy  Epoxy Compounds Primary Type Epoxy  Aim Epoxy Compounds Primary Type Epoxy   Shelf Life At 25°C — 1 week, at 5°C — 1 month, at -20°C — 6 months  Aim Shelf Life At 25°C — 1 week, at 5°C — 1 month, at -20°C — 6 months  Epoxy Compounds Shelf Life At 25°C — 1 week, at 5°C — 1 month, at -20°C — 6 months  Aim Epoxy Compounds Shelf Life At 25°C — 1 week, at 5°C — 1 month, at -20°C — 6 months   Special Features Reworkable at 120°C and flows at 120°C - 140°C  Aim Special Features Reworkable at 120°C and flows at 120°C - 140°C  Epoxy Compounds Special Features Reworkable at 120°C and flows at 120°C - 140°C  Aim Epoxy Compounds Special Features Reworkable at 120°C and flows at 120°C - 140°C   Specific Gravity 1.25 G/cc  Aim Specific Gravity 1.25 G/cc  Epoxy Compounds Specific Gravity 1.25 G/cc  Aim Epoxy Compounds Specific Gravity 1.25 G/cc   Temperature Range Maximum Temperature 150°C  Aim Temperature Range Maximum Temperature 150°C  Epoxy Compounds Temperature Range Maximum Temperature 150°C  Aim Epoxy Compounds Temperature Range Maximum Temperature 150°C   Time, Setting Cure time at 100°C — 8-10 minutes, at 125°C — 4-5 minutes, at 150°C — 1-2 minutes  Aim Time, Setting Cure time at 100°C — 8-10 minutes, at 125°C — 4-5 minutes, at 150°C — 1-2 minutes  Epoxy Compounds Time, Setting Cure time at 100°C — 8-10 minutes, at 125°C — 4-5 minutes, at 150°C — 1-2 minutes  Aim Epoxy Compounds Time, Setting Cure time at 100°C — 8-10 minutes, at 125°C — 4-5 minutes, at 150°C — 1-2 minutes   Viscosity At 25°C at 5 RPM — 800 CPS  Aim Viscosity At 25°C at 5 RPM — 800 CPS  Epoxy Compounds Viscosity At 25°C at 5 RPM — 800 CPS  Aim Epoxy Compounds Viscosity At 25°C at 5 RPM — 800 CPS   Volatile Total < 1%  Aim Volatile Total < 1%  Epoxy Compounds Volatile Total < 1%  Aim Epoxy Compounds Volatile Total < 1%