November 16,2023
Bedrijfsnaam
De kit heeft een zeer sterke hechting en presteert goed, zelfs op glas en aluminium. Na uitharding blijft de kit flexibel en vertoont geen scheuren. Perfect voor onze gevelprojecten.
September 24, 2026
When it comes to long-lasting, weather-resistant sealing in construction, NP bouwkwaliteit siliconenkit stands out as a reliable material for professionals managing complex building projects. From curtain wall systems to roofing joints, this one-part RTV acidic silicone sealant bonds to glass, aluminum, concrete, ceramic tile, and plastic steel with consistent performance. With a surface drying time of just 30 minutes, a movement capability of 25%, and a temperature stability range of -50°C to +150°C, it meets the technical thresholds demanded by engineers and procurement managers alike. Here are the top five applications where this sealant delivers measurable results.
Every day, the outside of buildings is hit by UV rays, wind-driven rain, ozone, and changes in temperature. This kind of stress breaks down most caulking within two to three years, which means they need to be re-sealed many times, which costs a lot of money. A building-grade silicone sealant that is made to be used outside stays flexible and adheres well even after decades of being exposed to harsh conditions.
Jiaobao's exterior silicone sealant meets ASTM C 1248 for pollution resistance, which means it won't stain nearby stone or masonry surfaces, which is very important for high-end facade projects. Its zero-sag performance (0.79 mm flow per ASTM C 679) makes sure that the material doesn't slump during placement on vertical joints.
The American Institute of Architects says that more than 70% of building flaw claims are due to envelope failures. That risk is directly lowered for both workers and building owners when an approved, high-movement-capability sealant is chosen during the planning phase.

As the temperature changes, structural parts get bigger and smaller. Differential movement can be measured in concrete panels, metal curtain wall frames, and precast facades. If the caulk can't handle that movement, it will crack, come loose, or let water in during a single yearly cycle. NP bouwkwaliteit siliconenkit is formulated to absorb this thermal movement, keeping joints sealed through repeated expansion and contraction cycles.
In this case, the polysiloxane backbone of silicone works better than polyurethane substitutes. Polyurethane seals break down over time when they are exposed to UV light for a long time. They become weak and chalky. GB 13477 testing standards show that a silicone-based joint filler keeps its Shore A 30 hardness and 0.7 MPa tensile strength even after years of use outside.
Here are the main reasons why this sealant works so well and is a good choice for expansion joints:
Because of these benefits, procurement teams can safely choose one grade of sealant for multiple joint types in the same project. This makes managing specifications and supplies easier.
Air leaks and water getting in through gaps around window and door frames are very common in both commercial and residential buildings. The thermal performance of double-glazed units is lowered when the frame border is not properly sealed. This also makes the HVAC load higher across the building.
On most non-porous surfaces, NP silicone caulk sticks well to vinyl, metal, wood, and brick substrates without the need for a primer. When the acidic cure method is used, it makes a waterproof, bendable bead that can be opened and closed many times without breaking or peeling off the base.
One important difference is that NP building grade silicone cures with acid, which means it can be used on glass and metal window frames but not on zinc, copper, or some natural stones that react with acetic acid. Before making a specification for a new project, procurement managers should check the technical information to make sure that the material is compatible. An acid-free cure variant would work best for those substrates.

Joints, flashings, and entry places in the roof are always open to water getting in. When water gets into the base, it breaks down insulation, rusts structural parts, and grows mold, which needs expensive cleanup. Applying a waterproof glue that hardens quickly at the first sign of joint failure can stop that chain of damage from happening at all. NP bouwkwaliteit siliconenkit delivers exactly this fast-curing, waterproof protection for critical roof and envelope details.
Building grade silicone from Jiaobao tack-dries in 30 minutes and is fully waterproof in 7 to 14 days, depending on the temperature and humidity of the room. When the seal is fully cured, it doesn't break down when exposed to UV light, ozone, or repeated changes in temperature. These are things that break down asphalt-based roofing compounds in just a few seasons.
The 300 ml and 600 ml cartridge and sausage packing forms make it easy for procurement managers who are in charge of maintenance contracts at multiple sites to keep track of the exact amount needed for each repair scale. When kept in cool, dry places out of direct sunlight, the 12-month shelf life means that you can buy in bulk and not waste any food.
For HVAC ducts, pipe penetrations, and mechanical system housings, you need sealants that can stand up to humidity, cleaning chemicals, and changes in temperature that would break down regular elastomeric compounds. Silicone is the best material for these conditions because it doesn't react with chemicals.
Jiaobao's silicone sealant can withstand temperatures as high as +150°C and as low as -50°C. It keeps its seal around hot water pipes, air handler units, and mechanical systems on rooftops. Its VOC content of less than 80 g/L according to GB 13477 helps it meet indoor air quality standards, which is becoming a requirement for more and more commercial buildings in the US.
When buying seals for facilities management contracts, procurement workers can get a single product that does both weatherproofing and mechanical system sealing. This simplifies the SKU process and makes working with suppliers easier.
A good building silicone sealant always works better than other options when it comes to sturdiness, flexibility, and compliance. It can be used for weatherproofing, expansion joints, sealing windows and doors, roof care, and mechanical systems. The NP bouwkwaliteit siliconenkit from Jiaobao has been proven to meet ASTM and GB standards and has the consistent quality and reliable supply that large-scale construction projects need. You can protect your project timeline and your professional image by choosing a sealant with test data that has been recorded, whether you are in charge of curtain wall contracts in the Middle East or business retrofit projects across the United States.
At 25°C and 50% relative humidity, the surface dries in 30 minutes. It usually takes between 7 and 14 days for the joint to fully cure, but this depends on how deep it is and how wet and warm it is outside. Conditions with more heat and moisture speed up the curing process. Conditions with less heat and moisture slow it down. A depth-to-width ratio of 1:2 makes sure that deep joints cure all the way through.
Polysiloxane, which is at the core of silicone, is permanently resistant to UV light and flexible. Polyurethane seals, on the other hand, can be painted and have higher tear strength, but they break down after long-term sun exposure. Long-term weather resistance and adhesion retention are better with silicone than with polyurethane for exterior glazing and façade joints that are open to the elements.
Yes, Jiaobao has 300 ml and 600 ml sizes in cartridge and sausage packaging, and it takes one to two weeks to make them. The product comes in white, black, gray, and custom colors, and OEM/ODM choices are available to meet the labeling and performance needs of a particular project. Get in touch with dorashen@cnjiaobao.com to talk about terms for large orders.
Most surfaces that aren't weak can be stuck together without a primer. If the concrete is very thin or weak, a filler makes the surface stick together better and the bond stronger. Before full-scale application, an ASTM C1521 field adhesion test should be done.
Sinds 2013 verenigt Jiaobao has been making certified silicone sealants for contractors and procurement teams in Asia, the Middle East, and other places. As a confirmed producer of NP bouwkwaliteit siliconenkit, we offer ISO and CE approved products, OEM/ODM services, lead times of 1–2 weeks, and a quality assurance policy that lets you return or exchange products within the shelf life. Email dorashen@cnjiaobao.com today to get your product information, technical certification package, or bulk quote.

1. American Society for Testing and Materials. ASTM C920: Standaardspecificatie voor elastomere voegafdichtingsmiddelen . ASTM International, 2022.
2. American Institute of Architects. Building Enclosure Design Guide: Water Management. AIA Press, 2021.
3. Internationale Organisatie voor Standaardisatie. ISO 11600: Bouwconstructie — Voegproducten — Classificatie en eisen voor afdichtingsmiddelen . ISO, 2020.
4. Wolf, A.T. Duurzaamheid van bouwafdichtingsmiddelenRILEM Publications, 2019.
5. Klosowski, JM, & Wolf, AT Afdichtingsmiddelen in de bouw, 2e druk. CRC Press, 2015.
6. Sheet Metal and Air Conditioning Contractors' National Association. SMACNA Architectural Sheet Metal Manual, 7th ed. SMACNA, 2012.
November 16,2023
Bedrijfsnaam
De kit heeft een zeer sterke hechting en presteert goed, zelfs op glas en aluminium. Na uitharding blijft de kit flexibel en vertoont geen scheuren. Perfect voor onze gevelprojecten.
November 16,2023
Bedrijfsnaam
Stabiele kwaliteit over alle batches heen. Onze klanten waarderen vooral de soepele applicatie en de consistente extrusie. Dit draagt bij aan een kortere installatietijd op locatie.
November 16,2023
Bedrijfsnaam
Ik heb het gebruikt voor het afdichten van de badkamer. Uitstekende waterdichte prestaties en tot nu toe geen problemen met schimmel. Het houdt zich zeer goed staande in vochtige omstandigheden.
November 16,2023
Bedrijfsnaam
De neutrale siliconenkit werkt goed op gevoelige materialen zonder te corroderen. Zeer geschikt voor industriële toepassingen die stabiele prestaties vereisen.