NIF Crack-Fill

_____________________________________________________________________________________

PRODUCT DESCRIPTION: Northern Crak-fill is a two componenet 100 % solids epoxy (gel) designed for applications on either vertical or horizontal surfaces.


RECOMMENDED FOR: repairing cracks and defects in concrete, cement or masonry products.

NOT RECOMMENDED FOR: immersion applications for acids and solvents.

SPECIFYING INFORMATION:


SOLIDS BY WEIGHT: 100%


RECOMMENDED THICKNESS:1/32" - 1/8"


THEORETICAL COVERAGE PER MIXED KIT: .27 cubic feet or 2,457 lineal feet@ 1/8" x 1/8" for the 2 gallon kit.

PACKAGING:
2 Gallon Kit approximately .27 cubic feet
10 Gallon Kit approximately 1.35 cubic feet

COLOR: light grayish / green


SHELF LIFE: 2 years

PHYSICAL PROPERTIES:

FLEXURAL STRENTH: (p.s.i.) 7,500 ASTM D790 - 1/2" x 1/2" bars span 4"

FLEXURAL MODULUS:(p.s.i.) 250,000 ASTM D790 - 1/2' x 1/2" bars span 4".

YEILD COMPRESSIVE STRENGTH:(p.s.i.) 8,710, ASTM D695 - 1/2" x 1/2" bars (at 10% deformation or less)

COMPRESSIVE MODULUS: (p.s.i.) 240,000, ASTM D695 - 1/2" x 1/2" bars (at 10% deformation or less)

TENSILE STRENGTH: (psi)6,256, STM D638 - eith testing dimensions of F=2.25", W=0.500", T=0.125", D=4.5", and rate=0.2" /minute.

ULTIMATE ELONGATION: 2.4%

ABRASION RESISTANCE: 36 mg loss (tabor CS - 17 @ 1000 gram load and 500 cycles )

MIX RATIO: 1 TO 1 BY VOLUME



ADHESION : (elcometer) 380 psi - concrete failure with no delamination.

HEAT DEFLECTION TEMPERATURE:
59.O degrees C, ASTM D648, 1/2" x 1/2" bar, span 4

PRIMER: not required

CURE SCHEDULE:
POT LIFE..................................... 2-4 hours @ 150 gram mass
TACK FREE .................................6-10 hours @ 70 degrees F
LIGHT TRAFFIC..........................12-24 hours @ 70 degrees F
FULL CURE...................................................................2-7 days

APPLICATION TEMPERATURE: 60 degrees F to 90 degrees F.

CHEMICAL RESISTANCE:
REAGENT 21 DAYS
xylene 25.5
MEK D
ethylene glycol monomethyl ether 19.0
ethyl achol 8.6
water 0.9
10% sodium hydroxide 0.7
50% sodium hydroxide 0.1
10% sulfuric acid 2.4
10% HCL (ag) 2.1
5% acetic acid 9.3

Unless proceded by a minus sign, the figures represent a weight gain. A weight loss indicates leaching and is signified by a minus sign. Absorption and leaching occurs to some degree simultaneously in all testing. Testinf was carried out on discs 1.75" in diameter and 0.2" thick.

THERMAL DEGREDATION:
HOURS % WEIGHT LOSS @160 DEGREES C
100 1.4%
200 1.6%
300 1.9%
500 2.0%

HOURS % WEIGHT LOSS @ 210 DEGREES C
100 3.8%
200 5.6%
300 7.3%
500 9.9%

TOPCOAT: can be topcoated with most epoxies and urethanes (many coatings can be applied immediately after the crack filler application)

Values expressed are typical values and not specifications. Data based on neat resin.