Dow Corning 268 Structural Silicone Sealant Building Weatherproof Glazing Sealant
Brand Name:Junbond
Certification:ISO 9001
Model Number:JB9500
Minimum Order Quantity:500 cartons
Delivery Time:5-10 workdays
Payment Terms:L/C, T/T, Western Union
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Location:
Shanghai Shanghai China
Address:
802 Building 11 No.518 Xinzhuan Road,Xinqiao Town,Songjiang Dist,Shanghai,China
Supplier`s last login times:
within 34 hours
Product Details
Company Profile
Product Details
Features
1.Excellent weatherability, virtually unaffected by sunlight, rain, snow, ozone.
2.Super extension/compression movement capability.
3.Excellent unprimed adhesion to a wide variety of construction material.
4.The cured sealant can maintain its elasticity from -50ºC to 150ºC
Parameters
1.Excellent weatherability, virtually unaffected by sunlight, rain, snow, ozone.
2.Super extension/compression movement capability.
3.Excellent unprimed adhesion to a wide variety of construction material.
4.The cured sealant can maintain its elasticity from -50ºC to 150ºC
Parameters
| Property | Unit | Result |
| Flow (sag or slump) | inches (mm) | 0 |
| Extrusion Rate | ml/minute | 238 |
| Working Time | minutes | 2 |
| Tack-free Time, 77°F, 50% RH | minutes | 28.8 |
| Curing Time at 77°F (25°C ) and 50% RH | days | 1-2 |
| Application Temperature | °C | 4-40 |
| Specific Gravity | - | 1.51 |
| Durometer Hardness, Shore A | points | 25 |
| Elastic recovery capacity | % | 99 |
| Joint Movement Capability | % | ±35 |
| Service Temperature | °C | -50-150 |
3 Structural Silicone Sealant Data sheet
| Item | Technical requirement | Test results | |
| Sealant type | Neutral | Neutral | |
| Slump | Vertical | ≤3 | 0 |
| Level | Not deformed | Not deformed | |
| Extrusion rate,g/s | ≤10 | 8 | |
| Surface dry time,h | ≤3 | 0.5 | |
| Durometer haardness (JIS Type A) | 20-60 | 44 | |
| Max tensile strength elongation rate, 100% | ≥100 | 200 | |
Stretch adhesion Mpa | Standard condition | ≥0.6 | 0.8 |
| 90ºC | ≥0.45 | 0.7 | |
| -30ºC | ≥ 0.45 | 0.9 | |
| After soaking | ≥ 0.45 | 0.75 | |
| After UV light | ≥ 0.45 | 0.65 | |
| Bond failure area,% | ≤5 | 0 | |
Heat aging | Thermal weight loss,% | ≤10 | 1.5 |
| Cracked | No | No | |
| Chalking | No | No | |
4 Realated Products
5 Customer feedback
6 Our factory
SHANGHAI JUNBOND BUILDING MATERIAL CO., LTD Located in Shanghai,
China.
Our company is a large group in the production of silicone
sealants;
The main products are structural silicone sealant, stone silicone
sealant, weather-resistant silicone sealant, two-component silicone
sealant, and other products;
The factories are located in 6 different provinces in China,
relying on raw material supply bases to produce professional
silicone sealants.
7 Professional Prodution Process And Strict Quality Control
Safety:
It has no toxicity after entirely cured. Avoid eye contact it when operating. If happened, rinse opened eye under running water for several minutes. During the curing process, sealant will release a small amount of organic molecules. Construction should ensure good ventilation. If necessary, take protective measures. Please keep out of reach of children.
Package:
300ml cartridge or 590ml sausage or 200L Drum/Barrel
Color:
black, white, grey and other colors customer required
Transport and storage:
This product is flammable but not explosive, and can be delivered by normal means of transportation.
The products must be stored under 27 degree, in the cool and dry place.
Shelf life: 12 months from the manufacturing date under 27 degree.
8 Custom Color
9 Packaging & Delivery
10 Certificate
11 Exhibition
Dow Corning 268 Structural Silicone Sealant Building Weatherproof Glazing Sealant
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