乐泰?产品366是一种单组分，高粘度的厌氧
型结构胶粘剂。该胶粘剂适合于大部分材料的
粘接。当该产品于合适的紫外光照射下就会固
化。在材料表面粘接也可以用表面活化剂固
化。固化后，它具有极好的耐振动和抗冲击性
能。
典型用途
产品 366 在工业应用中主要用于粘接,密封或
涂覆金属和玻璃部件。典型的应用包括粘接电
子设备，家电元件和装饰元件。

PRODUCT DESCRIPTION
LOCTITE? Product 366 is a single component high viscosity
anaerobic structural adhesive suitable for bonding a wide
range of materials. The product cures when exposed to
suitable ultra violet radiation. It can also bond surfaces treated
with a surface activator. When cured, it is highly resistant to
vibration and impact forces.
TYPICAL APPLICATIONS
Used to bond, seal or coat metal and glass components in
industrial applications. Typical users include unitising
electrical devices, appliance parts and decorative components.
PROPERTIES OF UNCURED MATERIAL
Typical
Value Range
Chemical Type Urethane methacrylate
Appearance Clear, amber
Specific Gravity @ 25°C 1.06
Viscosity @ 25°C, mPa.s (cP)
Brookfield RVT
Spindle 4@ 20 rpm 7,500 5,000 to 10,000
DIN 54453, MV
D = 36 s-1 after t=180secs 7,000 5,000 to 9,000
Flash Point (TCC), °C >93

TYPICAL CURING PERFORMANCE
This product is cured when exposed to UV radiation of 365nm.
To obtain a full cure on surfaces exposed to air, radiation at
250nm is also required. The speed of cure will depend on the
UV intensity as measured at the product surface. Typical cure
condition is 20 - 30 seconds at 100mW/cm? using a medium
pressure, quartz envelope, mercury vapour UV lamp.
NOTE: UV intensities where quoted are measured at
365nm using an OAI 206 UV meter.

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
Hardness (Shore D), ASTM D2240 45
Electrical Properties Constant Loss
Dielectric constant & loss, ASTM D150 @ 100Hz 5.3 0.03
@ 1 kHz 5.3 0.03
@ 10 kHz 5.3 0.03
Volume resistivity, ASTM D257, W.cm 2x1013
Dielectric strength, ASTM D149, kV/mm 30
PERFORMANCE OF CURED MATERIAL
(Cured 20 secs @ 100mW/cm?, 365nm UV)
Typical
Value Range
Tensile strength, steel to glass, (modified ASTM
D2095/modified DIN 53288) N/mm2
(psi)
12.5
(1812)
5 to 20
(725 to 2900)
Secondary Cure
Tensile shear strength, grit blasted mild steel
(GBMS) 22°C with Act. N (without UV), 24 hr.
ASTM D1002, N/mm2
18.5 12 to 25

Tensile strength is measured using a test method based on
ASTM D2095. A metal pin (?12.7mm x 38mm) is bonded at
one end to 6mm thick Pilkington float glass (50mm x 50mm).
The pin is then pulled axially from the glass.

Chemical / Solvent Resistance
Aged under conditions indicated and tested at 22°C.
Solvent Temp. % Initial Strength retained at
500 hr
100% R.H. 50°C 50
Leaded Petrol 22°C 60
Transmission fluid 87°C 100
Phosphate ester 87°C 100
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 oxidising materials.

Directions for use
This product is UV sensitive. Exposure to daylight, UV light
and artificial lighting should be kept to a minimum during
storage and handling. Product should be dispensed from
applicators with black feed lines. For best performance bond
surfaces should be clean and free from grease.

UV light cure rate is dependant on lamp intensity, distance
from light source, depth of cure needed or bondline gap and
light transmittance of the substrate through which the radiation
must pass.
Recommended intensity for cure in bondline situation is
5mW/cm2 minimum (measured at the bondline) with an
exposure time of 4-5 times the fixture time at this same
intensity. For dry curing of exposed surfaces higher intensity
UV is required (100mW/cm2 minimum).
Cooling should be provided for temperature sensitive substrate
such as thermoplastics. Plastic grades should be checked for
risk of stress cracking when exposed to liquid adhesive.
Excess adhesive can be wiped away with organic solvent.
Bonds should be allowed to cool before subjecting to any
service loads.
Storage
Product shall be ideally stored in a cool, dry location in
unopened containers at a temperature between 8°C to 28°C
(46°F to 82°F) unless otherwise labelled. Optimal storage is
at the lower half of this temperature range. To prevent
contamination of unused product, do not return any material to
its original container.

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