Popular Design for SV-777 silicone sealant for stone to Cancun Factories
Short Description:
Description SV-777 silicone sealant for stone, is an elastomer sealant in modulus, single. Waterproof joints need to be sensitive to natural stone, glass and metal building clean appearance panel for sealing design, it to the moisture in the air after curing in contact, the formation of elastic rubber sealing performance, durability, weather resistance, good combination with most building materials. Key Features 1. 100% silicone 2. Minimized fluid migration 3. Low dirt pick up 4. Water &...
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Description
SV-777 silicone sealant for stone, is an elastomer sealant in modulus, single. Waterproof joints need to be sensitive to natural stone, glass and metal building clean appearance panel for sealing design, it to the moisture in the air after curing in contact, the formation of elastic rubber sealing performance, durability, weather resistance, good combination with most building materials.
Key Features
1. 100% silicone
2. Minimized fluid migration
3. Low dirt pick up
4. Water & weatherproof
5. Primerless adhesion to most building materials
6. 25% movement capability
Basic Application
1.Stone curtain wall sealing
2.Engineering ceramic sealing
3.Stone and other materials such as glass, metal seam sealing
4.Other uses
Technical data sheet
| Test standard | Test project | Unit | value |
| Before curing——25℃，50%R.H. | |||
| ASTM C 679 | Flow, sagging or vertical flow | mm | 0 |
| VOC | g/L | ＜80 | |
| GB13477 | surface drying time（25℃，50%R.H.） | min | 30 |
| Curing time（25℃，50%R.H.） | Day | 7-14 | |
| Sealant curing speed and operating time will have different with different temperatures and temperature, high temperature and high humidity can make sealant curing speed faster, rather low temperature and low humidity are slower.21 days after curing——25℃，50%R.H. | |||
| GB13477 | Durometer Hardness | Shore A | 30 |
| GB13477 | The ultimate tensile strength | Mpa | 0.7 |
| Temperature stability | ℃ | -50~+150 | |
| GB13477 | Movement capability | % | 25 |
| ASTM C 1248 | Pollution / oil, natural stone | No | |
Certification
25HM GB/T 23261-2009；ASTM C920-2011
Color
Black，White，Gray
Package
300ml in cartridge * 24 per box, 590ml in sausage *20 per box
Shelf life
12 months
Note
If you want the TDS or MSDS or other details, please contact with our sales person.
1. Silicone rubber for gypsum mold making application:
RTV silicone can be used for production of different sizes of plaster moulds,stone moulds,resin moulds,polyresin moulds,PU resin moulds,wax moulds,stone moulds ,epoxy moulds,acrylic moulds,polyester moulds making
A. Decorative items: cornices moulding ,columns moulding,ornaments moulding,statues molding…..
B. Casting of funiture and decoration crafts molding
C. Construction: prefabrication of decrative features molding,pavement molding,paving stone moulding,urban
furniture molding,concrete products molding
D. Soap moulding,candles crafts moulding,toys moulding,sculpture moulding
2. Silicone rubber for gypsum mold making of TDS:
Model
630#
Appearance
white
Mixing ratio (%)
5%
Operating time ( hours )
30~40
Curing time( hours )
3~4
Hardness (A°)
30
Density ( g/cm 3)
1.08
Viscosity (25 C°,mPa.s)
22000~ 24000
Tensile-strength
( kgf/cm2 )
40
Tear-strength (kgf/cm )
25
Elongation-break(%)
≥ 420
Retractility(%)
≤0.25
3. Silicone rubber for gypsum mold making main features:
1. Good characteristics of easy-operation
2. Light viscosity and good flowability
3. Low shrinkage
4. Excellent tensile and tear strength
5. Favorable hardness
6. High temperature resistance, acid and alkali-resistance and ageing resistance
7. High duplication times
4. Silicone rubber for gypsum mold making frequently asked question:
Why does the silicone molds appeared striately and unsmoothly?
It is because the appearance of the product or the model itself is not perfect, and it has not been polished before the further operation. So when you make silicon molds, firstly you should polish the product, spray the mold spray evenly on the product. In this case, the problem can be avoided.
To recommend suitable product for your application, we would be much appreciated to have your following information:
1. What is the material of your product?
2. What is the size of your product?
3. How do you make silicone mold, by pouring or brushing?
Any questions of Silicone rubber for gypsum mold making, please feel free to
contact Aaron:
Homepage: www.szrl.net
TEL: 086-755-89948006
FAX: 086-755-89948030
MOBILE:086-18938867535
Email:hyjf@szrl.net
A single component silicone sealant which when properly cured becomes a permanently elastic compound. Can withstand high temperature extremes and provides excellent adhesion to G I sheet,glass, ceramics and sanitary ware.
