DOWSIL™ 888 Silicone Joint Sealant
Uses:
- New construction, repair or remedial applications
Benefits:
- Can be extruded from -20 to 120°F.
- May be used in joints that are not uniform in width.
- Movement capability 100% extension and 50% compression.
- Low modulus.
- Weather and UV resistant.
- Fuel resistant-short term exposure. Refer to Dow form number 62-207 for more information.
- One component, cold applied, ready-to-use as supplied; dispensed directly from the bulk container into the joint by hand or with an air-powered pump.
- Unprimed adhesion – primer is not required for bonding to Portland cement concrete. For optimum adhesion, the surface must be clean, dry and frost-free.
- Cure time – typically, the sealant will have a skin-over time of one hour or less at standard conditions.
Properties
These values are not intended for use in preparing specifications.
Typical Properties
- Adhesion to Yes No Concrete, Masonry
- Appearance Yes No Opaque
- Application Temperature Range Yes No -29 to 49 °C
- Chemistry Yes No Neutral
- Color Yes No Grey
- Cure System Yes No 1-Part Cure
- Durometer - Shore A Yes No 15 Shore A
- Elongation Yes No > 1000 %
- Flow Yes No NonSag
- Full Adhesion Time Yes No 14 to 21 Days
- Modulus @ 150% Elongation, maximum Yes No 28 psi
- Movement Yes No Medium
- Number of Parts Yes No One
- Primerless Adhesion Yes No Primerless
- Resistance Type Yes No Fuel Resistance, Jet Fuel Resistance, Ozone Resistance, Thermal Resistance, UV Resistance, Water Resistance
- Room Temperature Cure - Days Yes No 7 to 14 Days
- Shelf Life Yes No 360 Days
- Specific Gravity @ 25°C Yes No 1.48
- Substrate Yes No Porous
- Tack-Free Time-50% RH Yes No 60 Minutes
- Water Resistant Yes No true
- Where Used Yes No Job Site
No Safety Data Sheets are available online for this material Please Contact Dow for additional information.
No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.
No Food Contact Letters are available online for this material Please Contact Dow for additional information.
No Food Contact Letters are available online for this material
Please Contact Dow for additional information.
No sales specification could be found for this material in selected language
All products must have the same delivery date
All products must be in the same product family
All products must be purchased on the same order
All products must be shipped from the same plant
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