型號：358粘合材料類型：玻璃、金屬類、其他品牌：樂泰粘度：2000（Pa·s）熱熔膠類型：其他熱熔膠執(zhí)行標(biāo)準(zhǔn)：COCCAS：SGS

樂泰uv膠358

在紫外線照射下會迅速固化。

用于粘接玻璃與玻璃，金屬，寶石，玻璃器皿等。

product description
loctite? 358 is a one component adhesive which cures
rapidly when exposed to ultra violet radiation.
typical applications
bonds glass to glass and glass to metal, as in decorative
glassware, jewellery, etc.
properties of uncured material
typical
value range
chemical type: urethane methalcrylate ester
appearance clear, amber
specific gravity, 25°c 1.09
viscosity @ 25°c mpa.s:
brookfield rvt
spindle 4@ 20 rev/min 2,000 to 3,000
din 54353, mpa.s:
d=36 1/s
after t = 180 (thixotropic) 1,750 to 3,500
flash point (coc), °c: >100
vapour pressure, mbar <3
shelf life @ 5 to 28°c, months 12
secondary cure system none

typical curing performance
loctite 358 cures when exposed to uv radiation of 365nm
wavelength. to obtain a full cure on surfaces exposed to air,
radiation at 250nm is re both of these wavelengths are
emitted by medium pressure mercury vapour lamps as
incorporated, for example, in the loctite uvaloc 1000.
the following information refers to the bonding of a steel pinto
6mm thick float glass as illustrated in figure 1.

properties of cured material
physical properties
full strength achieved after correct uv exposure.
coefficient of thermal expansion, astm d696, 1/°k: 100 x10-6
coefficient of thermal conductivity astm c177, w.m-1 k-1 0.1
recommended gap, mm; 0.05
maximum gap, mm 0.5
hardness (shore d):
electrical properties
volume resistivity (astm d257, din 53482) w.cm: 2 x 1015
dielectric strength (astm d149, din 53481)kv/mm: 50
dielectric constant, 100 hz: 3.4
(astm d150, din 53483, iec 250, bc 4542) 1,000 hz: 3.4
10,000 hz: 3.4
dielectric loss: 100 hz: 0.03
(astm d150, din 53483, iec 250, bc 4542) 1,000 hz: 0.03
10,000 hz: 0.03
performance of cured material
tensile strength, steel to glass, n/mm2
(modified astm/din/modified din 53288)
uv 365nm/100mw/cm2
100 seconds 6 to 15

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
for best performance surfaces should be clean and free of
grease. product should be applied to the bolt in sufficient
to fill all engaged threads. this product performsbest
in thin bond gaps, (0.05mm). very large thread sizes may
create large gaps which will affect cure speed and strength.
this product is designed to give controlled friction,
(torque/tension ratio), during assembly. in critical tightening
applications this ratio should be confirmed.
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
it’s original container.

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