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樂泰4210瞬干膠

包裝規(guī)格：20g瓶裝

主要粘貼材料：金屬，塑料，橡膠

顏色：黑色

類型：乙基

粘度：110/210

固化速度：100秒/24小時

剪切強(qiáng)度：23/27

相對密度：1.05

PRODUCT DESCRIPTION
LOCTITE® Product 4210 is a single component, black,
thermal resistant, low viscosity cyanoacrylate instant
adhesive. It is toughened with elastomers for impact, peel
and improved resistance to heat, humidity or damp
environments. This adhesive is designed to exhibit improved
thermal resistance.
TYPICAL APPLICATIONS
Used to bond speaker assemblies, automotive components,
electrical equipment, oil filters and disk drives.
PROPERTIES OF UNCURED MATERIAL
Typical
Value Range
Chemical Type Ethyl cyanoacrylate
Appearance Black liquid
Specific Gravity @ 25°C 1.05
Viscosity @ 25°C, mPa.s (cP)
Brookfield RVT
Spindle 3 @ 50 rpm 160 110 to 210
Flash Point (TCC), °C 84
TYPICAL CURING PERFORMANCE
Under normal conditions, the surface moisture initiates the
hardening process. Although functional strength is
developed in a relatively short time, curing continues for at
least 1 week 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
according to ASTM D1002.
Substrate Fixture Time, seconds
Steel (degreased) 90 to 150
Aluminum 20 to 50
Zinc dichromate 80 to 120
Neoprene 10 to 30
Nitrile rubber 5 to 10
ABS 5 to 15
PVC 20 to 30
Polycarbonate 60 to 100
Phenolic materials 60 to 90
Melamine (G-9) 60 to 90
Polyester (HST) 240 to 360
Cure speed vs bond gap
The rate of cure will depend on the bondline gap. High cure
speed is favored by thin bond lines. Increasing the bond gap
will slow down the rate of cure.

Cure speed vs activator
Where cure speed is unacceptably long due to large gaps or
low relative humidity, applying activator to the surface will
improve cure speed. However , this can reduce the ultimate
strength of the bond, therefore testing is recommended 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-1K-1 0.1
Glass transition temperature, ASTM E228, °C 165
Electrical Properties
Dielectric constant & loss, ASTM D150 Constant Loss
measured at 100 Hz 4.2 <0.04
1kHz 3.7 <0.04
10 kHz 3.4 <0.04
Volume resistivity, ASTM D257, W.cm 1 x 1016
Surface resistivity, ASTM D149, W 1 x 1016
Dielectric strength, ASTM D149 , kV/mm 28
(V/mil) (710)

PERFORMANCE OF CURED MATERIAL
(After 1 week at 22°C)
Typical
Value Range
Shear Strength, ASTM D1002, DIN 53283
Grit Blasted Steel, N/mm² 25 23 to 27
(psi) (3600) (3300 to 3900)
Etched Aluminum, N/mm² 16 12 to 20
(psi) (2300) (1800 to 2900)
Zinc dichromate, N/mm² 11 8 to 14
(psi) (1600) (1200 to 2000)
ABS, N/mm² 4* 3.5 to 4.5
(psi) (600)* (550 to 650)
PVC, N/mm² 5* 4 to 6
(psi) (700)* (600 to 900)
Polycarbonate, N/mm² 3.5* 2 to 5
(psi) (500)* (300 to 700)
Phenolic, N/mm² 6 5 to 7
(psi) (900) (700 to 1000)
Epoxy, N/mm² 10 6 to 15
(psi) (1450) (900 to 2100)
Melamine (G-9), N/mm² 12 11 to 13
(psi) (1700) (1600 to 1800)
PBT (glass filled), N/mm² 3.5 1.5 to 5.5
(psi) (550) (200 to 800)
Polyester (HST), N/mm² 10* 7.5 to 12
(psi) (1450)* (1100 to 1800)
* Adhesive exceeds strength of bonded material

GENERAL INFORMATION
This product is not recommended for use in pure
oxygen and/or oxygen rich systems and should not be
selected as a sealant for chlorine or other strong
oxidizing materials.

Directions for use
For best performance surfaces should be clean and free of
grease. This product performs best when gaps are less than
0.25mm. 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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