Product Description
Dow Corning 790 Silicone Building Sealant
Ultra-low-modulus sealant for new and remedial construction joint
sealing applications
Silicone sealant Description
Suitable for new construction or remedial applications, Dow Corning 790 Silicone Building Sealant provides excellent performance, even in building joints that experience extreme movement. It places a low stress on the sealant/substrate bond line to minimize failures in moving joints.
Features & CZPT efits
Excellent performance even in building joints that experience extreme movement
Suitable for new and remedial construction
Extension/compression capability of +100/-50 percent
Excellent weathering properties and resistance to sunlight, rain, snow, and temperature extremes
Excellent unprimed adhesion to masonry, concrete substrates
Easy application over a wide temperature range
Applications
Dow Corning® 790 Silicone Building Sealant offers outstanding unprimed adhesion to masonry and is particularly effective for sealing expansion and control joints, precast concrete panel joints, Exterior Insulation and Finish Systems (EIFS) joints, curtainwall joints, mullion joints, stone pavers, and many other construction joints.
When used in accordance with Dow Corning application and testing recommendations, the sealant forms a durable, flexible, watertight bond with many common building materials, including combinations of stone, concrete, masonry, granite, marble, aluminum, painted substrates, and glass.
Parameter
| Test | Property | Unit | Result |
| As supplied | |||
| ASTM C679 | Tack-free time,50%rh | Hours | 1 |
| Curing time,50%rh, at 25ºC(77°f), 3/8″ depth | Days | 7-14 | |
| Full adhesion, cured joint | Days | 14-21 | |
| ASTM D2202 | Flow, Sag, or Slump | None | |
| CTM 98 | Working Time | minutes | 10-20 |
| EPA Method 24 | VOC Content, maximum | g/L | 23 |
| As Cured – After 7 days at 25°C (77°F) and 50% RH | |||
| ASTM C661 | Durometer Hardness, Shore A | points | 15 |
| ASTM D412 | Tensile strength ,maximum | psi (kg/mm2) | 100 (0.070) |
| ASTM C 794 | Peel CZPT | lb/in (kg/cm) | 25 (4.46) |
| ASTM C 1135 | Tensile at 25% extension | psi (kg/mm2) | 15 (0.571) |
| Tensile at 50% extension | psi (kg/mm2) | 20 (1.015) | |
| ASTM C 719 | Joint Movement Capabilities Extension/Compression |
% | +100/-50 |
| ASTM C 1248 | Staining, CZPT substrates | None | |
Related products
Company profile
ZheJiang CZPT way Curtain Material was established in 2005, The registered capital was 200 million RMB. CZPT was 800 million RMB. We are the seventh-largest silicone sealant production group, the largest silicone 107 monomer production base, 130 large building curtain wall companies and More than 7,500 projects choose us.
We have 80kt/a organic silicon monomer plant, 12kt/a 107 adhesive device, 30k/a high temperature adhesive device, 30kt/a silicone sealant equipment and part of the comprehensive utilization of by-products plant. Guarantee a more complete industry chain and quality control from raw material to the user.
We are key CZPT Research CZPT of ZHangZhoug Province, ZHangZhoug Province technology progress Prize, 2008, 60,000 tons of organic silicon project won the national chemical industry CZPT Award.
Our company has adopted ISO 9,001:2008, ISO 14,001:2004, GB/T 28001-2011 safety quality environment management system certification, ISO/TS16949 quality management system certification, as well as numerous domestic and international authority on product certification: UL, TUV, SGS, CE, CABR, CECC.
Silicone sealant factory overview
We are professional silicone sealant supplier with 16 years experience.
Our factory founded in 2006. Now, we are NO.7 silicone sealant manufacturer in CZPT .
1/ Located in HangZhou city of ZHangZhoug province in CZPT .
2/ Factory area: 200000 square meters
3/ Registered capital:200000000RMB. Total investment: 800000000RMB.
4/ Workers: More than 500.
5/ Annual output value: 100000 ton.
6/ Equipment:100000 ton organic silicon monomer device;30000 ton 107 glue device; 30000 ton 110 glue device; 3200 ton gas white carbon black device and so on.
Test & Certification
FAQ
What confused you about silicone sealant purchasing?
1. Free Samples?
Free sample, but the CZPT er need to bear the freight.
2. MOQ?
The MOQ is 50 cartons,24 cartridges/carton,20 sausages/carton.
3. CZPT service?
OEM service is CZPT , but MOQ shall be 200 cartons
4. Delivery Time?
Within 7 days after the receipt of deposit and confirmed designs.
5. Payment Terms.
30%T/T deposit and 70% balance or L/C at sight.
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