SILA-SEAL HIGH TEMPERATURE

SILICONE SEALANTS

Sila-Seal High Temperature

100% Silicone Sealant

Sila-Seal High Temperature Silicone Sealant is a one-part, non-slumping 100% silicone sealant with the consistency similar to that of toothpaste. It cures when it is exposed to moisture in the air to form a tough rubbery seal.  Sila-Seal High Temperature Silicone Sealant was formulated to perform at temperatures ranging from -76°F to 400°F (–60°C to 204°C) under continuous operating conditions. During intermittent exposure, Sila-Seal High Temperature Silicone Sealant will withstand temperatures as high as 500°F (260°C).

FEATURES & TYPICAL USES:

Sila-Seal High Temperature Silicone Sealant is generally used for general industrial sealing and bonding applications.

Sila-Seal High Temperature Silicone Sealant is not recommended for use in applications involving:

•  Structural silicone glazing

•  Joints where physical abuse or abrasion is likely to be  encountered

•  Prolonged water immersion

•  Porous surfaces, such as masonry

•  Building materials that might bleed oils, plasticizers or solvents – materials such as impregnated wood, oil-based caulks, green or partially vulcanized rubber gaskets or tapes

•  Totally confined spaces, because the sealant requires atmospheric moisture for cure

•  Surfaces sensitive to corrosion by acetic acid vapors (a byproduct of sealant cure)

•  Surfaces that will be painted (paint will not stretch with the extensions of the sealant and may crack and peel); complete all painting prior to using sealant

•  Bonding to secondary seal of insulating glass units sealed with two-part silicone sealants

National Sanitation Foundation:

•  NSF certified to Standard 51 – Food Contact

This product is neither tested nor represented as suitable for medical or pharmaceutical uses.

Do not use in direct contact with fuels such as gasoline or diesel fuel.

SURFACE PREPARATION & APPLICATON:

Sila-Seal High Temperature Silicone Sealant is supplied ready-to-use. It flows readily from its container under pressure. The paste-like consistency makes it easy to work with; a spatula or wooden paddle can be used to tool the surface.

Tack-Free Time: Curing progresses inward from the surface.  At conditions of 77°F (25°C) and 50% relative humidity, a tack-free skin forms within 10-20 minutes. Tooling should be completed immediately after application. If masking tape is used to mask an area, it must be removed before the tack-free skin forms.

Cure-Time: Cure time is affected by relative humidity, degree of confinement and cross-sectional thickness of the sealant.  In applications where Sila-Seal High Temperature Silicone Sealant may be partially or totally confined during cure, the time required for proper cure is generally lengthened by the degree of confinement. Every application involving confinement during cure should be thoroughly tested before production commences. Curing time increases with the thickness of the sealant.

CAUTION:

Use in well ventilated areas and avoid breathing vapors. On contact, uncured sealant irritates eyes. Flush eyes with lukewarm water. Call physician. Avoid skin contact and do not ingest. Keep out of reach of children. For complete safety information, consult the Material Safety Data Sheet. Sealant releases acetic acid (vinegar odor) during cure.

PACKAGING & COLORS:

Sila-Seal High Temperature Silicone Sealant is available in a 300 ml (10.1 fl oz), all-plastic caulking cartridge with nozzle, which fits manual or air operated caulking guns.  Sila-Seal High Temperature Silicone Sealant is available in RED only.

SHELF LIFE & STORAGE:

Shelf life is 12 months from date of shipment from our facility when stored in a clean, dry area with temperatures between 40°F to 90°F (4°C to 32°C). For best results, keep the sealant in tightly closed containers when not in use.

WARRANTY INFORMATION:

Sila-Seal, Inc. warrants only that its product will meet its specifications. Sila-Seal shall in no event be liable for incidental or consequential damage. Sila-Seal’s liability, expressed or implied, is limited to the stated selling price of any goods found to be defective.

TYPICAL PROPERTIES:

These values are not intended for use in preparing specifications. Spec Writers: please contact Sila-Seal, Inc. before writing specifications if any further information is required.

Method               Test                                          Unit                       Result

As Supplied

ASTM C 679         Tack-Free Time

                           at 77°F (25°C), 50% RH     minutes          10-20

                           Tooling Time                             minutes                  5-10

ASTM C 639          Flow, Sag or Slump                                                Nil

As Cured – 7 days at 77°F (25°C) and 50% RH

ASTM D 2240        Durometer Hardness, Shore A    points             26

ASTM D 412          Ultimate Tensile Strength           psi (MPa)               310 (2.1)

ASTM D 624          Tear Strength                            ppi (kN/m)              22 (3.9)

ASTM C 794          Peel Strength                            pli (kN/m)               22 (3.9)

ASTM C 603          Extrusion Rate                          g/min                     370

DISCLOSURE:

The information and data contained herein is BASED ON INFORMATION WE BELIEVE TO BE RELIABLE.  We assume no responsibility for the use of theses statements, recommendations or suggestions, nor do we intend them as recommendation for any use which would infringe any patent or copyright.

Sila-Seal, Inc.

5167 East 65th Street

Indianapolis, IN 46220

(800) 968-4131