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Master Bond adhesives

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ITW Chockfast® Black Epoxy Chocking Compound
Categories: Polymer; Thermoset; Epoxy

Material Notes: CHOCKFAST® Black is a specifically formulated 100% solids, inert filled casting compound developed for use as a chocking material. It is a cost-effective method of maintaining permanent precise alignment of critical equipment. It will withstand severe environments involving high physical and thermal shock.

USE & BENEFITS: This unique product is used under gas and diesel engines, compressors, generators, turbines, motors, pumps and various other types of equipment. CHOCKFAST® Black is ideal for use under these hot running reciprocating and rotating machines because of its excellent resistance to creep and fatigue at high operating temperatures. It is non-shrinking and has a very high impact and compressive strength. Resin chocks made with CHOCKFAST® Black reduce possible bearing or crankshaft damage because they (1) minimize heat build-up on foundations, (2) assure precise alignment and unsurpassed contact with bedplates, and (3) provide a high coefficient of friction to help hold engines down tight. The excellent flow-ability of CHOCKFAST® Black allows it to fill voids in the chock area and conform to all surface irregularities.

Information provided by ITW Performance Polymers.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.94 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Barcol >= 55full cure; ASTM D2583
Tensile Strength 2900 psiASTM D638
Flexural Strength 6200 psiASTM C580
Flexural Modulus 1.40e+6 psiASTM C580
Compressive Strength 17300 psiASTM D695 MOD
Compressive Modulus 800000 psiASTM D695 MOD
Shear Strength 5000 psiFED-STD-406 (Method 1041)
Izod Impact, Notched 5.10 ft-lb/inASTM D256
 
Thermal PropertiesOriginal ValueComments
CTE, linear 15.0 µin/in-°F
@Temperature 0.000 - 60.0 °C
ASTM D696
Shrinkage 0.018 %Linear; ASTM D2566
 
Processing PropertiesOriginal ValueComments
Pot Life >= 45.0 min
@Temperature 21.1 °C
 
Descriptive Properties
Fire Resistanceself extinguishingASTM D635

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PITWC9018 / 239528

Rulon Bearings

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