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Master Bond adhesives

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Socomore Chemglaze® M331 Elastomeric Polyurethane
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced; Rubber or Thermoset Elastomer (TSE)

Material Notes: Chemglaze® M331 is a two package, ASTM D-16 Type IV elastomeric polyurethane coating. Cured films produced from this coating are tough, flexible, and resistant to erosion, abrasion, and impact. These films provide excellent tensile and elongation properties, and prevent corrosion of metal substrates in aggressive environments.

Basic Uses
Chemglaze elastomeric polyurethane coatings function especially well in abrasive environments. With their inherent flexibility, corrosion resistance and energy absorptive properties, these coatings are used in the railroad and mining industries to protect metallic substrates. Chemglaze elastomeric coatings accommodate thermal expansion and contraction as well as structural motion. These elastic properties make them useful in protecting spray applied polyurethane foam insulation on storage tanks and reactor vessel walls.

These coating qualify under military rain erosion coating specification MIL-C-85322.

Socomore acquired the Aeroglaze® and Chemglaze® product lines from Lord in September 2016.

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Physical PropertiesOriginal ValueComments
Solids Content 7.5 %M201; by volume
 9.0 %M201; by weight
 52 %Mixed; by volume
 56 %Mixed; by weight
 67 %M331; by volume
 73 %M331; by weight
Volatile Organic Compounds (VOC) Content 420 g/l
Brookfield Viscosity 0.89 cP
@Temperature 25.0 °C
Part B, M201; LVT, Spindle #4 @ 30rpm
 8500 cP
@Temperature 25.0 °C
Part A, M331; LVT, Spindle #4 @ 30rpm
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 95
Tensile Strength, Yield 5000 psiASTM D882-83, Method A
Elongation at Yield 500 %ASTM D882-83, Method A
Taber Abrasion, mg/1000 Cycles 0.00CS17 1000g; ASTM D4060
 60H18 1000g/1000 cycles; ASTM D4060
 
Thermal PropertiesOriginal ValueComments
Flash Point 33.9 °CPart A, M331; Setaflash
 43.3 °CPart B, M201; Setaflash
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 - 2.00 hourSurface Dry
 4.00 - 6.00 hourDry Hard
 15.0 - 30.0 minSet to Touch
Pot Life 120 min
@Temperature 25.0 °C
50% relative humidity
Shelf Life 6.00 Month
@Temperature 24.0 °C
Part A, M331
 6.00 Month
@Temperature 24.0 °C
Part B, M201
 
Descriptive Properties
AppearanceBlackPart A, M331
 BlackMixed
 Yellow to Dark AmberPart B, M201
Weight per Gallon (lbs)7Part B, M201
 8.4Part A, M331

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