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ELASTOSIL® 3925 T

ELASTOSIL®3925 T is a one-component, neutral curing,high modulus silicone sealant with good adhesion for DIY application.

ELASTOSIL®3925T cures at room temperature in the presence of atmospheric moisture to give a permanent flexible silicone rubber.


特性

• Non-sag

• Primerless adhesion to most substrates

• Non-corrosive to metals

• Suitable for alkaline substrates such as concrete, motar, fibrous cement

• Solvent-free, thus featuring low volume shrinkage during vulcanization

• Ready gunnability at low (+5 °C) and high (+40 °C) temperatures

•  Flexible at low (-40 °C) and high temperatures

(+150 °C)

•  Excellent weatherability

•  Rapid crosslinking: quickly becomes tack-free and crack resistant

Applications

•  Sealing of joints between glazing and supporting structures (frames,tansoms,mullions)

•  Sealing of perimeter joints

•  Sealing of connecting and expansion joints in the building industry

•  Industrial sealant for the automotive,aircraft and shipbuilding industries

 

Restrictions on use

 

ELASTOSIL®3925T may be discolored in contact with some organic elastomers, e.g., EPDM, APTK and neoprene.

ELASTOSIL®3925T is not recommended for use on natural stone, such as marble, granite, quartzite, as it can cause staining.

ELASTOSIL®3925T must not be used for sealing of auqaria.

ELASTOSIL®3925T is not recommended for structural glazing bonding.

 

The curing time can be extended at lower temperature, lower humidity or by low volume of air exchange.

 

Preparation

 

The substrate areas that will be in contact with the sealant must be clean, dry and free of all loose material, dust, dirt, rust, oil and other contaminants. Non-porous substrates should be cleaned with a solvent and a clean, lint-free, cotton cloth. Wipe dry immediately with another such cloth before the solvent evaporates from the surface.

 

Adhesion

 

ELASTOSIL®3925T exhibits excellent primerless adhesion to most non-porous siliceous material, e.g., glass, tiles, ceramics, enamel, glazed tiles and clinker; impregnated, varnished or painted wood; and some plastics.

Users must carry out their own tests due to the great variety of substances.

These figures are intended as a guide and should not be used in preparing specifications.

The adhesion can be improved in many cases by pretreatment of the substrates with a primer.

If adhesion difficulties arise, please contact our technical service.

储存

ELASTOSIL®3925T has a shelf life of at least 12 months when stored at a cool dry place (below 25 °C).

The 'Best use before end' date of each batch is shown on the product label.

 

Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

销售和支持

Wacker Chemicals (China) Co.,Ltd.
Caohejing Hi-Tech Park
200233 Shanghai
中国大陆
+86  21  6130-2000 （电话）
+86 21 6130-2500  （传真）
Contact Sales

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Products Technical data
Movement capability Skin Hardness Shore A Density Modulus at 100 % elongation
ELASTOSIL® 3902 - - - - - - 1.43 g/cm³[1] 11.934 lb/gal[1] 0.48 MPa[6] 0.48 MPa[6]
ELASTOSIL® 3913 20 %[11] 20 %[11] - - - - 0.97 g/cm³[1] 8.095 lb/gal[1] 0.29 N/mm²[7] 0.29 N/mm²[7]
ELASTOSIL® 3915 20 %[11] 20 %[11] - - - - 1.00 g/cm³[1] 8.345 lb/gal[1] - -
ELASTOSIL® 3922 T 25 %[11] 25 %[11] - - - - 1.39 g/cm³[2] 11.6 lb/gal[2] 0.60 N/mm²[6] 0.60 N/mm²[6]
ELASTOSIL® 3925 T 35 %[11] 35 %[11] - - - - 1.39 g/cm³[2] 11.6 lb/gal[2] 0.60 N/mm²[6] 0.60 N/mm²[6]
ELASTOSIL® 4851 - - - - - - 1.01 g/cm³[2] 8.429 lb/gal[2] 0.50 N/mm²[6] 0.50 N/mm²[6]
ELASTOSIL® 5002 25 %[11] 25 %[11] 20 min[14] 20 min[14] - - 1.01 g/cm³[3] 8.429 lb/gal[3] 0.38 N/mm²[6] 0.38 N/mm²[6]
ELASTOSIL® 5013 - - - - - - 1.01 g/cm³[1] 8.429 lb/gal[1] - -
ELASTOSIL® 5102 25 %[11] 25 %[11] 20 min[15] 20 min[15] - - 1.01 g/cm³[3] 8.429 lb/gal[3] 0.38 N/mm²[6] 0.38 N/mm²[6]
ELASTOSIL® 6013 - - - - - - 0.97 g/cm³[1] 8.095 lb/gal[1] - -
ELASTOSIL® 7100 P 25 %[12] 25 %[12] 25 min[15] 25 min[15] - - 1.03 g/cm³[3] 8.596 lb/gal[3] 0.38 N/mm²[6] 0.38 N/mm²[6]
ELASTOSIL® 7150 P 25 %[11] 25 %[11] 15 min[16] 15 min[16] - - 1.02 g/cm³[3] 8.512 lb/gal[3] 0.35 N/mm²[6] 0.35 N/mm²[6]
ELASTOSIL® 8000 25 %[11] 25 %[11] - - - - 1.03 g/cm³[4] 8.596 lb/gal[4] 0.37 N/mm²[8] 0.37 N/mm²[8]
ELASTOSIL® 8000 N 35 %[13] 35 %[13] 25 min[15] 25 min[15] - - 1.02 g/cm³[3] 8.512 lb/gal[3] 0.37 N/mm²[6] 0.37 N/mm²[6]
ELASTOSIL® 8100 - - - - 15 15 1.01 g/cm³[3] 8.429 lb/gal[3] 0.33 N/mm²[9] 0.33 N/mm²[9]
ELASTOSIL® 8100 P 35 %[13] 35 %[13] 25 min[15] 25 min[15] - - 1.02 - 1.03 g/cm³[3] 8.512 - 8.596 lb/gal[3] 0.37 N/mm²[6] 0.37 N/mm²[6]
ELASTOSIL® 8120 20 %[11] 20 %[11] - - - - 0.95 g/cm³[2] 7.928 lb/gal[2] 0.54 N/mm²[7] 0.54 N/mm²[7]
ELASTOSIL® 8510 P 25 %[11] 25 %[11] 15 min[16] 15 min[16] - - 1.02 g/cm³[3] 8.512 lb/gal[3] 0.35 N/mm²[6] 0.35 N/mm²[6]
ELASTOSIL® 8809 - - - - - - 1.02 g/cm³[1] 8.512 lb/gal[1] - -
ELASTOSIL® 8861 - - - - - - - - 0.71 N/mm²[10] 0.71 N/mm²[10]
ELASTOSIL® 9000 N 12.5 %[11] 12.5 %[11] 25 min[15] 25 min[15] - - 1.00 g/cm³[3] 8.345 lb/gal[3] 0.37 N/mm²[7] 0.37 N/mm²[7]
ELASTOSIL® eco 7770 P 25 %[11] 25 %[11] 15 min[16] 15 min[16] - - 1.02 g/cm³[3] 8.512 lb/gal[3] 0.35 N/mm²[6] 0.35 N/mm²[6]
ELASTOSIL® eco 8510 P 25 %[11] 25 %[11] 15 min[16] 15 min[16] - - 1.02 g/cm³[3] 8.512 lb/gal[3] 0.35 N/mm²[6] 0.35 N/mm²[6]
LC 104 WHITE KOREA 12.5 %[11] 12.5 %[11] - - - - 1.65 - 1.69 g/cm³[5] 13.77 - 14.104 lb/gal[5] - -
Legend
[1] Density | DIN EN ISO 1183-1 A,  [2] Density | ISO 1183-1 A,  [3] Density | 23 °C | ISO 1183-1 A,  [4] Density Density | 23 °C | ISO 1183-1 A,  [5] Density | 23 °C | DIN EN ISO 1183-1 A,  [6] Modulus at 100 % elongation | ISO 8339-A,  [7] Modulus at 100 % elongation | ISO 8339,  [8] Modulus at 100 % elongation | 23 °C | 50 % r.h | ISO 8339,  [9] Modulus at 100 % elongation | 100 % | 23 °C | 50 % r.h | ISO 37,  [10] Modulus at 100 % elongation | ISO 37,  [11] Movement capability | ISO 11600,  [12] Movement capability | ISO 11600 / EN 15651,  [13] Movement capability | ASTM C920,  [14] Skin Skin forming time | 23 °C | 50 % r.h ,  [15] Skin forming time | 23 °C | 50 % r.h ,  [16] Skin formating time | 23 °C | 50 % r.h  

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Wacker-Chemie Benelux B.V.
Heiligeweg 166
1561 DM Krommenie
+31  75  64760-00 (Phone)

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