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典型用途：通用型
缝隙填充：0.13mm
类型：表面不敏感/乙基
粘度：110
拉伸剪切强度：3200
温度范围：-53°C到82°C
固化速度：初固15秒全固24小时
比重：1.05
LOCTITE® Product 401 is a low viscosity, fast curing, single component cyanoacrylate adhesive. It is specifically formulated for difficult to bond substrates. This product is less dependent on surface moisture for cure speed than other standard CA grades.
TYPICAL APPLICATIONS
Rapid bonding of a wide range of metal, plastic or elastomeric materials, particularly suited for bonding porous or absorbent materials such as wood, paper, leather or fabric.
PROPERTIES OF UNCURED MATERIAL
Typical
Value Range
Chemical Type Ethyl cyanoacrylate
Appearance Clear Colourless liquid
Specific Gravity @ 25°C 1.1
Viscosity @ 25°C, mPa.s (cP)
Brookfield LVF
Spindle 1 @ 30 rpm 110 90 to 140
Flash Point (), °C >93
TYPICAL CURING PERFORMANCE
Under normal conditions, the surface moisture initiates the hardening 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 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 (14.5 psi) tested on specimens ording to ASTM D1002.Substrate Fixture Time, seconds Steel (degreased) 5 to 20
Aluminium 2 to 10
Zinc dichromate 10 to 20
Neoprene Nitrile rubber ABS 2 to 10
PVC 2 to 10
Polycarbonate 10 to 40
Phenolic materials 2 to 10
Wood (Balsa) 2 to 5
Wood (Oak) 90 to 180
Chipboard 30 to 90
Fabric 2 to 20
Leather 5 to 15
Paper 1 to 10
Cure speed vs. bond gap
The rate of cure will depend on the bondline gap. High cure speed is favoured by thin bond lines. Increasing the bond gap will slow down the rate of cure.
Cure speed vs. humidity
The rate of cure will depend on the ambient relative humidity.
The following graph shows the tensile strength developed with time on Buna N rubber at different levels of humidity.
Cure speed vs. activator
Where cure speed is eptably long due to large gaps,applying activator to the surface will improve cure speed.However, this can reduce the ultimate strength of the bond,therefore testing is mended to confirm effect.
TYPICAL PROPERTIES OF CURED MATERIAL
Physical Properties
Coefficient of thermal expansion, ASTM D696, K-1 80 x 10-6
Coefficient of thermal conductivity, ASTM C177, W.m-1 K-1 0.1
Glass Transition temperature, ASTM E228, °C 120
Electrical Properties
Constant Loss
Dielectric constant & loss, 25°C, ASTM D150,
measured at 100Hz 2.75 1kHz 2.75 10kHz: 2.75 Volume resistivity, ASTM D257, W.cm 1 x 1016
Surface resistivity, ASTM D257, W 1 x 1016
Dielectric strength, ASTM D149, kV/mm 25
PERFORMANCE OF CURED MATERIAL
(After 24 hr at 22°C) Typical
Value Range
Shear Strength, ASTM D1002, DIN 53283
Grit Blasted Steel, N/mm² 22 18 to 26
(psi) (3200) (2600 to 3800)
Etched Aluminium, N/mm² 15 11 to 19
(psi) (2200) (1600 to 2800)
Zinc dichromate, N/mm² 7 4 to 10
(psi) (1000) (600 to 1450)
ABS, N/mm² 13 6 to 20
(psi) (1900) (900 to 3000)
PVC, N/mm² 13 6 to 20
(psi) (1900) (900 to 3000)
Polycarbonate, N/mm² 12.5 5 to 20
(psi) (1800) (700 to 3000)
Phenolic, N/mm² 10 5 to 15
(psi) (1450) (700 to 2200)
Neoprene rubber, N/mm² 10 5 to 15
(psi) (1450) (700 to 2200)
Nitrile rubber, N/mm² 10 5 to 15
(psi) (1450) (700 to 2200)
Tensile Strength, ASTM D2095, DIN 53288
Grit Blasted Steel, N/mm² 18.5 12 to 25
(psi) (2700) (1700 to 3600)
Buna N rubber, N/mm² 10 5 to 15
(psi) (1450) (700 to 2200
Chemical / Solvent Resistance
Aged under conditions indicated and tested at 22°C.
Solvent Temp. % Initial strength retained at
100 hr 500 hr 1000 hr
Motor Oil 40°C 95 95 95
Leaded Petrol 22°C 100 100 100
Ethanol 22°C 100 100 100
Isopropanol 22°C 100 100 100
Freon TA 22°C 100 100 100
Humidity 95% RH 40°C 70 50 40
Humidity 95% RH
polycarbonate
GENERAL INFORMATION
This product is not mended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidising materials.
Directions for use
For best performance surfaces should be clean and free of grease. This product performs best in thin bond gaps,(0.05mm). Excess adhesive can be dissolved with Loctite clean up solvents, nitromethane or acetone.
Storage
Product shall be ideally stored in a cool, dry location in unopened containers at a temperature between 8°C to 21°C(46°F to 70°F) unless otherwise labelled. Optimal storage conditions for unopened containers of cyanoacrylate products are achieved with refrigeration: 2°C to 8°C (36°F to 46°F).Refrigerated packages shall be allowed to return to room temperature prior to opening and use. To prevent contamination of unused product, do not return any material to its original container.
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