PRODUCT DESCRIPTION

　　LOCTITE® 407 provides the following product characteristics:

　　Technology Cyanoacrylate

　　Chemical Type Ethyl cyanoacrylate

　　Appearance (uncured) Transparent, colorless to straw

　　colored liquidLMS

　　Components One part - requires no mixing

　　Viscosity Low

　　Cure Humidity

　　Application Bonding

　　Key Substrates Rubbers, Plastics and Metals

　　LOCTITE® 407 is a general purpose adhesive suitable for

　　applications where heat resistance is required.

　　TYPICAL PROPERTIES OF UNCURED MATERIAL

　　Specific Gravity @ 25 °C 1.05

　　Viscosity, Cone & Plate, mPa·s (cP):

　　Temperature: 25 °C, Shear Rate: 3,000 s-1 20 to 55LMS

　　Viscosity, Brookfield - LVF, 25 °C, mPa·s (cP):

　　Spindle 1, speed 30 rpm 25 to 55

　　Vapour Pressure, hPa ≤1

　　Flash Point - See MSDS

　　TYPICAL CURING PERFORMANCE

　　Under normal conditions, the atmospheric moisture initiates the

　　curing process. Although full functional strength is developed

　　in a relatively short time, curing continues for at least 24 hours

　　before full chemical/solvent resistance is developed.

　　Cure Speed vs. Substrate

　　The rate of cure will depend on the substrate used. The table

　　below shows the fixture time achieved on different materials

　　at 22 °C / 50 % relative humidity. This is defined as the time to

　　develop a shear strength of 0.1 N/mm².

　　Fixture Time, ISO 4587, seconds:

　　Mild Steel (degreased) 10 to 30

　　Aluminum (degreased) 5 to 15

　　Zinc Dichromate 30 to 90

　　Neoprene ≤5

　　Rubber, Nitrile ≤5

　　ABS 10 to 30

　　PVC 3 to 10

　　Polycarbonate 20 to 60

　　Phenolic 5 to 20

　　Cure Speed vs. Bond Gap

　　The rate of cure will depend on the bondline gap. Thin bond

　　lines result in high cure speeds, increasing the bond gap will

　　decrease the rate of cure

　　Cure Speed vs. Activator

　　Where cure speed is unacceptably long due to large gaps,

　　applying activator to the surface will improve cure speed.

　　However, this can reduce ultimate strength of the bond and

　　therefore testing is recommended to confirm effect