Factory directly provided SV-999 Structural Glazing Silicone Sealant for Mali Manufacturer
Short Description:
Description SV – 999 silicone structural sealant is a one-component, neutral curing, designed for glass curtain wall, aluminum curtain wall, glass daylighting roof and metal structural engineering structural assembly silicone sealant. Show the effective physical properties and bonding performance Key Features 1. 100% silicone 2. No sag 3. Strong bonding strength 4. Water & weatherproof 5. Primerless adhesion to most building materials 6. 25% movement capability Basic Application...
With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of
Factory directly provided SV-999 Structural Glazing Silicone Sealant for Mali Manufacturer, we are now looking forward to even greater cooperation with overseas customers based on mutual benefits. If you are interested in any of our products, please feel free to contact us for more details.
Description
SV – 999 silicone structural sealant is a one-component, neutral curing, designed for glass curtain wall, aluminum curtain wall, glass daylighting roof and metal structural engineering structural assembly silicone sealant. Show the effective physical properties and bonding performance
Key Features
1. 100% silicone
2. No sag
3. Strong bonding strength
4. Water & weatherproof
5. Primerless adhesion to most building materials
6. 25% movement capability
Basic Application
1.Glass curtain wall, aluminum curtain wall structure adhesive seal
2.Glass daylighting roof, metal structure engineering
3.Insulating glass bonding
Technical data sheet
Test standard | Test project | Unit | value |
Before curing——25℃,50%R.H. | |||
specific gravity | g/ml | 1.40 | |
GB13477 | Flow, sagging or vertical flow | mm | 0 |
GB13477 | Operating time | min | 15 |
GB13477 | surface drying time(25℃,50%R.H.) | min | 40-60 |
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 | 40 |
The ultimate tensile strength | Mpa | 1.3 | |
GB13477 | Tensile strength(23℃) | Mpa | 0.8 |
GB13477 | Tensile strength(90℃) | Mpa | 0.5 |
GB13477 | Tensile strength(-30℃) | Mpa | 0.9 |
GB13477 | Tensile strength(flooding) | Mpa | 0.6 |
GB13477 | Tensile strength(flooding – ultraviolet) | Mpa | 0.6 |
Certification
GB 16776;ASTM C1184
Color
Black
Package
300ml in cartridge * 24 per box, 500ml 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.
Original post on our site with additional information, plans, questions & comments:
https://www.thewoodwhisperer.com/videos/shellac-under-polyurethane/
I have heard countless times that you should never put polyurethane over waxed shellac. From books to magazine articles to forums to DVD’s, the message is always the same. Even the back of the shellac can itself says not to use polyurethane. Now I have always taken the “better safe than sorry” route, simply avoiding regular waxed shellac. But there have been so many occasions where I have heard of people accidentally using waxed shellac under polyurethane with no detrimental effects. And frankly, I have never heard a first hand account of a terrible finishing disaster using this combination of supposedly incompatible finishes. So what’s the deal?
To answer that question, I decided to do a little experiment for myself. I wanted to see if I could find any evidence of a weakened bond between polyurethane and waxed shellac, when the shellac is used in the typical manner as a sealer. My test is simple and completely non-scientific. There are just too many variables at play to answer this question with any real degree of certainty. But my results gave me enough confidence to say that if you are using the finish as a sealer coat (2lb cut or less), I see no reason not to use whatever shellac you have on hand, even if it has wax in it.
This is a topic that I will continue to watch. And hopefully we’ll hear from some folks who have had experiences, good and bad, with this finish combination.
**EDIT** It was immediately suggested that I do a Scotch Tape lift test. I still had the samples in the shop so I jumped in and did a few more tests. Using both duct tape and Scotch tape over a grid work of slices made with an X-acto knife, no lifting of the finish was observed on any of the boards. I even put tape over the area where the epoxy drops were and no lifting was observed there either. These finishes are holding on for dear life!
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The best ways to determine the good quality of a roofing contractor ‘s work is to look at his previous jobs. When you are selecting a roofing company , many will gladly provide you a list of references if they believe that their work speaks for itself. You need to ask for references that are a few years old, so that you can assess how durable the crucial questions.
Here are the four vital questions you should ask ahead of picking roofing contractors to look at your roofing projects at your property:
Question 1 – are they covered?
Is the roofing contractor licensed to operate a business in your State? Does the roofing contractor have Public Liability and Workers’ Compensation Insurance? If so, how much insurance coverage do they have?
Question two – are they reliable?
Does the roofing company have a great reputation? Most roofing contractors will readily provide you with a list of references, which must ideally be a minimum of three years old.
Query 3 – are you covered?
Is the roofing contractor prepared to provide you with a good workmanship warranty? This warranty should shield against any defects in the roof and need to final a minimum period.
Question four – what’s included?
Does the roofing contractor completely inspect the roof and explain his findings?
Does he provide a written estimate, and does it include:
1. A detailed description of the work that is contracted?
2. Possible added work, with a price tag?
3. Clean up of all rubbish and debris?
Further inquiries
Does the roofing contractor have an emergency phone number? Will the roofing company be accessible on weekends? Is the roofing company going to supervise the different phases of the project and supply a final inspection?
Find out if the roofing contractor is going to hire sub-contractors? If so, any sub-contractors needs to meet the exact same criteria.
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