Materials

Macromelt Data - Based on General Values
PROPERTIES Test Method Unit OM633 / OM638 OM641 / OM646 OM652 / OM657 OM673 / OM678
PHYSICAL            
Color     amber / black amber / black amber / black amber / black
Odor     slight resinous slight resinous slight resinous slight resinous
Specific gravity DIN 53479, B S.G. 0.98 0.98 0.98 0.98
Working temperature Henkel method C -40 to +125 -40 to +125 -40 to +100 -40 to +140
Hardness   Shore A 90 92 77 88
Tensile strength, rupture @ 24C ASTM D-1708 N / mm2 5.2 11 2.7 5.7 / 5.5
Elongation @ rupture   % 400 800 400 500
Tensile Modulus, 2% @ 24C ASTM D-638 psi       5200
Glass transition temperature   C -36 -35 -45 -50 / -52
Thermal conductivity ASTM C 518 W/(mC) 0.15 0.15 0.15 0.15
Softening point, Ball & Ring ASTM E 28 C 175 175 155 187 / 185
Molding temperature Henkel method C 200 to 240 210 to 240 180 to 230 210 to 240
Viscosity @ 210 C ASTM D 3236 mPas 3700 7000 4100 3400
Thermal volume expansion Henkel method   5.7E-4 / 5.4E-4     pending
Shrinkage going from liquid to solid Henkel method % 9.3 / 9.0     pending
Shrinkage after molding, 24 hours Henkel method % 1.8     pending
Thermal expansion coefficient, linear ASTM D696-98     1.60E-04   1.61E - 04
Taber Abrasion ASTM     pending    
ELECTRICAL            
Dielectric constant @ 50 Hz ASTM D150-95   4.9 / 5.1   6.5 / 6.8 5.3
Dielectric constant @ 1 kHz ASTM D150-95   4.5 / 4.7 5.1 / 5.5 6.2 / 6.3 4.9
Dielectric constant @ 1 MHz ASTM D150-95   3.0 / 3.1   3.8 3.2
Dissipation Factor @ 50 Hz ASTM D150-95   0.041 / 0.039   0.144 / 0.156 pending
Dissipation Factor @ 1 kHz ASTM D150-95   0.052 / 0.057   0.128 / 0.129 pending
Dissipation Factor @ 1 MHz ASTM D150-95       0.044 / 0.048 pending
Volume resistivity D257-93 Ohm cm 1.7E13 / 2.4E13 6.3E12 / 1.7E12 1.0E12 / 7.2E11 1.90E+12
Volume resistivity @ % moisture D257-93 Ohm cm 3.0E11 @ .38 / NA     pending
Volume resistivity @ % moisture D257-93 Ohm cm 7.9E10 @ .91 / NA     pending
Volume resistivity @ % moisture D257-93 Ohm cm 4.3E10 @ 1.23 / NA     pending
Volume resistivity @ % moisture D257-93 Ohm cm 2.3E10 @ 1.84 / NA 1.4E10 / 9.7E9 @ 2.5 7.5E9 / 3.8E9 @ 3.5 pending
Dielectric strength ASTM D149-97a kV / mm 24 / 19 25 / 22 14 / 15 20
ADHESION            
Adhesion to PVC Henkel method + to +++++ +++ ++++ ++++ good
Adhesion to PA 6.6 Henkel method + to +++++ ++ + ++++ fair
180 Peel Test Nylon 6,6 ASTM D-903 lbf NA / 17.435 >21.000 NA / 19.432 NA / 13.845
180 Peel Test Rigid PVC ASTM D-903 lbf NA / 20.408 >21.000 >21.000 NA / 20.035
180 Peel Test Vinyl ASTM D-903 lbf NA / >21.000 >21.000 >21.000 >21.000
180 Peel Test ABS ASTM D-903 lbf NA / 16.124 >21.000 NA / 20.848 NA / 17.353
180 Peel Test ABS (100 C) ASTM D-903 lbf pending >21.000 >21.000 NA / 20.204
180 Peel Test LDPE ASTM D-903 lbf none none none none
180 Peel Test LDPE (100C) ASTM D-903 lbf NA / 9.888 NA / 15.609 NA / 11.034 NA / 15.006
Lap shear creep, paper / paper, 3 psi Henkel MH 11 C 155 155 155 165
CHEMICAL RESISTANCE            
Moisture absorption, 24 hrs @ 23C Henkel method % approx. 1.2 0.69 / 0.68 1.2 1.03 / 1.01
Moisture absorption, 7 day @ 23C Henkel method % 2.61 1.90 / 1.89 2.88 2.18 / 2.10
Moisture absorption, 30 day @ 23C Henkel method % 3.43 / 3.38 2.45 / 2.42 2.99 / 3.11 2.69 / 2.68
Water pressure seal, typical   psi > 2 > 2 > 2 > 2
Weak acids Henkel method   Good Good Good Good
Strong acids Henkel method   Poor Poor Poor poor
Weak alkali Henkel method   Good Good Good Good
Strong alkali Henkel method   Poor Poor Poor Good
Oils & fats Henkel method   Excellent Excellent Excellent Excellent
Salts (NaCl, Na2SO4) Henkel method   Excellent Excellent Excellent Excellent
Plasticizer Henkel method   Good Good Good Good
Non-polar solvents, I.e. hexane Henkel method   Good/excellent Good/excellent Good/excellent Good
Polar solvents, I.e. alcohol Henkel method   Poor/fair Poor/fair Poor/fair Poor
RATINGS & TEST RESULTS            
FDA category FDA Adhesives 175.105 175.105 175.105 175.105
Flammability rating U/L 94   V-0 V-0 V-0 V-0
Minimum thickness U/L 94 mm 1.0 0.90 to 1.20    
U/L Recognition file no. U/L Standards   E182771 E182771 E182771 E182771