**HW-333 Neutral Silicone Sealant for Stainless Steel Engineering**
This product is a neutral oxime-cured, medium-modulus weatherproof silicone sealant specifically designed for the construction industry. It features exceptional weather resistance and high adhesion, making it an ideal solution for long-lasting, reliable sealing on most stainless steel construction materials.
**Applicable Materials**
- **Metal Surfaces:** Stainless steel glass doors, galvanized metal, stainless steel partitions, and indoor stainless steel decorative fixtures.
- **Glass and Ceramics:** Coated glass, ceramic products, and fiberglass.
- **Aluminum and Plastics:** Anodized aluminum, coated aluminum profiles, and most plastic panels.
- **Other Construction Materials:** Non-oily wood and common construction materials for assembly and sealing.
**Key Features**
1. **High Adhesion:** Offers strong bonding to stainless steel, glass, and various construction surfaces.
2. **Superior Weather Resistance:** Effectively withstands extreme weather and temperature fluctuations, ensuring long-term sealing performance.
3. **Eco-Friendly and Safe:** Neutral curing with no unpleasant odors; does not corrode substrates.
4. **Easy Application:** Single-component formula ready for use, no mixing required, with no shrinkage after curing.
**Usage Restrictions**
- Not suitable for applications where substrate surface temperature exceeds **50°C**.
- Not recommended for use in environments where the sealant is completely sealed off from air before curing.
**Packaging and Colors**
1. Available in **300ML cartridges, 600ML sausages, and 200L drums**.
2. Standard colors: **White, Transparent** (custom colors available upon request).
**Shelf Life**
Store in a dry, well-ventilated environment at temperatures not exceeding **25°C**.
The product has a shelf life of **12 months** from the date of manufacture.
| PERFORMANCE DATA |
|
|
|
| Test Parameter |
Unit |
Result Translucent Pigmented |
| As Supplied Tested at 23ºC and 50% RH |
| Specific Gravity |
g/ml |
1.41±0.02 |
1.72±0.02 |
| Flow (sag or slump) |
mm |
0 |
0 |
| Extrusion Rate |
ml/minute |
115 |
98 |
| Skin Time |
minute |
5~10 |
≤110 |
| Tack-free Time |
hour |
≤1.2 |
≤10 |
| Curing time (5mm) |
hour |
≤18 |
≤18 |
| As Cured-after 21 days at 23ºC and 50% RH |
| Durometer Hardness, Shore A |
Points |
20 |
29 |
| Elastic Recovery |
% |
85 |
87 |
| Movement Capability |
% |
±18 |
±19 |
| Tensile/Modulus at 50% Elongation |
% |
0.2 |
0.4 |
| Tensile/Modulus at 100% Elongation |
% |
0.28 |
0.5 |
| Ultimate Tensile Strength |
Mpa |
0.27 |
0.51 |
| Ultimate Elongation at Break |
% |
160 |
350 |
We use raw materials supplied by the world's leading chemical giants,
Chemical material inventory of thousands of tons or more.Have more production capacity than peers.
The adhesive manufacturing process is completely enclosed to prevent external temperatures and various uncontrollable factors from affecting the product quality.
FINISHED PRODUCT STORAGE WAREHOUSE
APPLICATION
Apply to clean, dry and grease-free surfaces. Cut the nozzle at 45°angle to the desired shape and size. For better appearance, cover outside of joint areas with masking tape before application.
Tool immediately after sealant application and remove masking tape before sealant skins.
Caution
Uncured silicone can irritate eyes and skin. If contact is made with eyes, flush with water for 15 minutes and seek medical advice. Use in well ventilated area and keep out of reach for children.
LIMITATIONS
1.Unsuitable for curtain wall structural applicatio
2.Do not use for below ground.
3.Do not use when substrate temperature is above 50ºC or surfaces that are wet, oily, greasy, dusty or dirty.
4.The surfaces coated with paint are unsuitable for sealant.
5.Do not clean or treat the sealant with materials, solvents or cleaning agents that may affect or discolor the sealant, particularly during sealant cure.
Scope of application and application scenarios
STAFF CONSTRUCTION SCENE
PROJECT CASE
HEALTH AND ENVIRONMENTAL INFORMATION
To support Customers in their product safety needs, HONGWAH has an extensive Product Stewardship organization and a team of Product Safety and Regulatory Compliance (PS&RC) specialists available in each area.
EXHIBITIONS
CARGO TRANSPORTATION
FAQ
1. Are you a manufacturer?
Yes. We are a manufacturer of silicone sealant with standardized modern production facilities in Guangdong Province, China. A top 5 high-tech company in the industry.
HONGWAH has a 395,000 square foot silicone sealant factory in Jiangmen, Guangdong, China with 16 years of experience in this manufacturing area.
With a total investment of 800 million RMB, we have provided very high quality services to customers from 50 countries.
Our commitment to product quality and professional production team's honest and uncomplicated manufacturing style ensure our customers' trust in our products' consistent performance and superior performance.
2.How soon can I get an updated quote?
We can provide a quote within no more than 24 hours, provided we know all the details of the requirements.
3. Do you accept private label OEM production?
Yes. We can do OEM for our customers.
4. Can I get a sample before I order?
Of course you can. Generally, we provide 1-5 pieces of free samples. The courier fee is borne by the customer. Thank you for your understanding.
5. How long will it take you to complete my order?
It depends on the quantity of your order. Generally, we only need 5 days to produce 20,000 pieces with a capacity of 1,600 tons a month, after receiving your payment.
6. How do you ensure quality?
We have a strict quality inspection system, from raw materials to finished products, the materials must be checked and signed by QC colleagues.
7.Can I visit your factory?
Welcome. Please let me know your travel plans and we will pick you up and book your hotel.
8.How to find the right sealant?
Please tell me the purpose of your application, the base material, the application method and all your requirements.
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