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hangzhou zhijiang silicone chemicals co.,ltd
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Neutral Stone Silicone Sealant

Neutral Stone Silicone Sealant

Country/Region china
Company hangzhou zhijiang silicone chemicals co.,ltd
Categories Neutral Cure Silicone Sealant
Update 2011-03-25 15:44:37
ICP License Issued by the Chinese Ministry
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Description
ZJ-888 Neutral Stone Silicone Sealant is a one-part, low modulus, neutral curing sealant particularly suitable for interior and exterior applications, in particular external weather seals, expansion joints and perimetral joints in buildings and other constructions.
Characteristic
It has Good features as follow:
a. Can be easily used and extruded any time.
b. Excellent contact change and extrusion ability, in any air temperature( -40 to 100) can extrude easily.
c. Excellent adhesion to stone, ceramics, concrete, and other building materials. It has no pollution to porous materials.
d. Outstanding weatherproofing ability. Excellent tensile and compression restoring ability. It can bear joint movement capability of 20%.
e. Neutral curing, no corrosive to stone, concrete, and other structural materials. Over come the weakness of acetic sealants (normal glass sealants) erodes the materials.
Where to use
ZJ-888 is use to joints sealing in dry-hang for marble, granite curtain-wall and precasting cement engineering; it is also use for concrete construction and expansion joint sealing in highway engineering; use to fix up sanitary equipments, adhesion and joint seal for ceramics engineering; use to automotive, ship, packaging, advertisement and family decoration.
Use limitations
ZJ-888 is not fit for structural usage. It should NOT be applied in the following conditions:
a. To all materials that bleed oils, plasticizers or solvents, and green or partially sulfur zed gaskets and tapes, etc.
b. In totally confined space (Silicone sealant need the water in the air to cure)
c. For continuous immersion in water or below-grade applications all the year.
d. To painted surfaces, may cause seal failure as the paint cracking or paint stripping
e. To frost-laden or wet surfaces
f. Surface touch the food directly
g. Easily suffer mechanical clash
Typical properties (for reference)
The following data is for reference, is not suggested to make standard.
No
Item
The standard
Test result
Test method
Test at 505% RH and temperature 232
1
Appearance
Have no grain, no agglomerations,1
Pass the standard
2
Resistance to flow ,
mm
Vertical
3
0
GB/T113477.6-2002
Level
No distortion
No distortion
3
Tack Free Time, h
3
1
GB/T113477.5-2002
4
Extrusion ability, ml/min
80
180
5
Tensile modulus
Mpa
23
> 0.4
or
> 0.6
0.6
-20
6
Curing time at 505% RH and temperature 232,days
7-17
7-17
As Cured ¨CAfter 21days at 505% RH and temperature 232:
7
Durometer Hardness,(Shore A), points
28
GB/T1531-1999
8
Tensile at 60% Elongation
no break
GB/T113477.8-2002
9
Ultimate elongation % at break%
200
GB/T113477.8-2002
10
Sealant class
20HM
JC/T881-884-2001
11
pollution
no
JC/T881-2001 app. A
12
Density, g/cm3
1.35

Product Tags:

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