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  • 型 号:3311、3211、3321
  • 规 格:30ML、1L
  • 品 牌:乐泰
  • 单 价:1.00元/L
  • 供货总量:10000 L
  • 最小起订量:1 L
  • 有效期至:长期有效
  • 发货期限:付款之日起3天内发货
  • 最后更新:2018-06-14
  • 浏览次数:50

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 PRODUCT DESCRIPTION
LOCTITE® AA 3321™ provides the following product
characteristics:
Technology Acrylic
Chemical Type Acrylated urethane
Appearance (uncured) Transparent liquidLMS
Components One component -
requires no mixing
Viscosity Medium, thixotropic
Cure Ultraviolet (UV)/ visible light
Cure Benefit Production - high speed curing
Application Bonding
Flexibility Enhances load bearing & shock
absorbing characteristics of the bond
area.
LOCTITE® AA 3321™ is primarily designed for bonding rigid or
flexible PVC to polycarbonate where large gap filling
capabilities and flexible joints are desired. The product has
shown excellent adhesion to a wide variety of substrates
including glass, many plastics and most metals. The thixotropic
nature of LOCTITE® AA 3321™ reduces the migration of liquid
product after application to the substrate.
ISO-10993
An ISO 10993 Test Protocol is an integral part of the Quality
Program for LOCTITE® AA 3321™. LOCTITE® AA 3321™ has
been qualified to Henkel's ISO 10993 Protocol as a means to
assist in the selection of products for use in the medical device
industry. Certificates of Compliance are available on Henkel's
website or through the Henkel Quality Department.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Specific Gravity @ 25 °C 1.08
Refractive Index 1.48
Flash Point - See SDS
Viscosity, Brookfield - RVT, 25 °C, mPa·s (cP):
Spindle 4, speed 20 rpm, 3,500 to 7,500LMS
TYPICAL CURING PERFORMANCE
LOCTITE® AA 3321™ can be cured by exposure to UV and/or
visible light of sufficient intensity. To obtain full cure on
surfaces exposed to air, radiation @ 220 to 260 nm is also
required. The speed of cure will depend upon the UV intensity
and spectral distribution of the light source, the exposure time
and the light transmittance of the substrates.
Stress Cracking
Liquid adhesive is applied to a medical grade polycarbonate
bar 6.4 cm by 13 mm by 3 mm which is then flexed to induce
a known stress level.
Stress Cracking, ASTM D 3929, minutes:
7 N/mm² stress on bar >15
12 N/mm² stress on bar 13 to 14
Fixture Time
Fixture time is defined as the time to develop a shear strength of 0.1
N/mm².
UV Fixture Time, Glass microscope slides, seconds:
Black light, Zeta® 7500 light source:
6 mW/cm², measured @ 365 nm ≤15LMS
UV Fixture Time, Polycarbonate to PVC, seconds:
Metal halide bulb, Zeta® 7400:
30 mW/cm², measured @ 365 nm, <5
Electrodeless, H & V bulbs:
50 mW/cm², measured @ 365 nm, <5
Electrodeless, D bulb:
50 mW/cm², measured @ 365 nm, <5
Depth of Cure vs. Irradiance (365 nm)
The graph below shows the increase in depth of cure with
time at 30mW/cm² - 100mW/cm² as measured from the
thickness of the cured pellet formed in a 15mm diameter
PTFE die.
Note: When exposed to a V Bulb at irradiances of 50 and
100 mW/cm² for 30 seconds, a depth of cure greater than 13
mm was achieved. The performance for medium pressure Hg
will be similar to Electrodeless system, H bulb
Curing System: Metal Halide
Depth of Cure, mm
Cure Time, seconds
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60
50 mW/cm²
30 mW/cm²
TDS LOCTITE® AA 3321™, November-2014
Curing System: Electrodeless, D bulb
Depth of Cure, mm
Cure Time, seconds
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60
100 mW/cm²
50 mW/cm²
Curing System: Electrodeless, H bulb
Depth of Cure, mm
Cure Time, seconds
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60
100 mW/cm²
50 mW/cm²
TYPICAL PROPERTIES OF CURED MATERIAL
Cured @ 30 mW/cm², measured @ 365 nm, for 80 seconds using
a glass filtered metal halide light source
Physical Properties:
Shore Hardness, ISO 868, Durometer D 53
Refractive Index 1.5
Water Absorption, ISO 62, %:
2 hours in boiling water 3.18
Elongation, at break, ISO 527-3, % 250
Tensile Modulus, ISO 527-3 N/mm² 255
(psi) (37,000)
Tensile Strength, at break, ISO 527-3 N/mm² 18.6
(psi) (2,700)
Electrical Properties:
Dielectric Constant / Dissipation Factor, IEC 60250:
100-Hz 5.17 / 0.04
1-kHz 5.01 / 0.02
1-MHz 4.61 / 0.04
Volume Resistivity, IEC 60093, Ω·cm 7.7×1014
Surface Resistivity, IEC 60093, Ω∙cm 9.2×1014
Dielectric Breakdown Strength, , kV/mm 26
TYPICAL PERFORMANCE OF CURED MATERIAL
Adhesive Properties
Cured @ 30 mW/cm², measured @ 365 nm, for 80 seconds using
a metal halide light source, (samples with 0.5 mm gap).
Lap Shear Strength, ISO 4587:
Polycarbonate N/mm² *5.2
(psi) (750)
* substrate failure
TYPICAL ENVIRONMENTAL RESISTANCE
Cured @ 30 mW/cm², measured @ 365 nm, for 80 seconds using
a metal halide light source, (samples with 0.5 mm gap).
Lap Shear Strength, ISO 4587:
Polycarbonate:
0.5 mm gap
Chemical/Solvent Resistance
Aged under conditions indicated and tested @ 22 °C.
% of initial strength
Environment °C 2 h 24 h 170 h
Boiling water 100 * 100 -------- --------
Water immersion 49 * 100 -------- --------
Water immersion 87 * 100 -------- --------
Isopropanol immersion 22 -------- 95 --------
Heat/humidity 38 -------- -------- * 100
Heat Aging
Lap Shear Strength, ISO 4587, % of initial strength:
Polycarbonate:
Aged @ 71 °C for 170 hours *100
Aged @ 71 °C for 340 hours *100
Aged @ 93 °C for 170 hours *100
Aged @ 93 °C for 340 hours *100
* substrate failure
Effects of Sterilization
In general, products similiar in composition to LOCTITE® AA
3321™ subjected to standard sterilization methods, such as
EtO and Gamma Radiation (25 to 50 kiloGrays cumulative)
show excellent bond strength retention. LOCTITE® AA 3321™
maintains bond strength after 1 cycle of steam autoclave. It is
recommended that customers test specific parts after
subjecting them to the preferred sterilization method. Consult
with Loctite® for a product recommendation if your device will
see more than 3 sterilization cycles.
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.
For safe handling information on this product, consult the
Safety Data Sheet (SDS).
Henkel Americas
+860.571.5100
Henkel Europe
+49.89.320800.1800
Henkel Asia Pacific
+86.21.2891.8859
For the most direct access to local sales and technical support visit: www.henkel.com/industrial
TDS LOCTITE® AA 3321™, November-2014
Directions for use:
1. This product is light sensitive; exposure to daylight, UV
light and artificial lighting should be kept to a minimum
during storage and handling.
2. The product should be dispensed from applicators with
black feedlines.
3. For best performance bond surfaces should be clean and
free from grease.
4. Cure rate is dependent 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.
5. Recommended intensity for cure in bondline situation is 5
mW/cm² minimum (measured at the bondline) with an
exposure time of 4-5 times the fixture time at the same
intensity.
6. For dry curing of exposed surfaces, higher intensity UV is
required (100 mW/cm²).
7. Cooling should be provided for temperature sensitive
substrates such as thermoplastics.
8. Crystalline and semi-crystalline thermoplastics should be
checked for risk of stress cracking when exposed to liquid
adhesive.
9. Excess adhesive can be wiped away with organic solvent.
10. Bonds should be allowed to cool before subjecting to any
service loads.
Loctite Material SpecificationLMS
LMS dated April-22, 2002. Test reports for each batch are
available for the indicated properties. LMS test reports include
selected QC test parameters considered appropriate to
specifications for customer use. Additionally, comprehensive
controls are in place to assure product quality and
consistency. Special customer specification requirements may
be coordinated through Henkel Quality.
Storage
Store product in the unopened container in a dry location.
Storage information may be indicated on the product container
labeling.
Optimal Storage: 8 °C to 21 °C. Storage below 8 °C or
greater than 28 °C can adversely affect product properties.
Material removed from containers may be contaminated during
use. Do not return product to the original container. Henkel
Corporation cannot assume responsibility for product which
has been contaminated or stored under conditions other than
those previously indicated. If additional information is required,
please contact your local Technical Service Center or
Customer Service Representative.
Conversions
(°C x 1.8) + 32 = °F
kV/mm x 25.4 = V/mil
mm / 25.4 = inches
μm / 25.4 = mil
N x 0.225 = lb
N/mm x 5.71 = lb/in
N/mm² x 145 = psi
MPa x 145 = psi
N·m x 8.851 = lb·in
N·m x 0.738 = lb·ft
N·mm x 0.142 = oz·in
mPa·s = cP
Note:
The information provided in this Technical Data Sheet (TDS) including th

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