
680 Weatherproof Neutral Silicone Sealant is for glass, metal, wood, and other building materials. This sealant can be used as a sealing agent of small glass curtain walls and aluminum plates. Adopted high-quality material formula, 680 Weatherproof Neutral Silicone Sealant has excellent long-term performance, making it the ideal choice for indoor or outdoor joint sealing of most construction materials.
Product | Weatherproof Neutral Silicone Sealant |
Model No. | 680 |
Type | One-component, Neutral, Weatherproof |
Color | Black, White, Gray, Clear or as request |
Usage temperature | +5ºC~+35ºC |
Working temperature | -40ºC~+150ºC |
Packing | 300ml/bottle, 24 bottles/carton; 590ml/sausage, 20pcs/carton; 200ml/drum |
Shelf life | 12 months from the date of manufacture |

Advanced Exterior Sealant With All Weather Protection
1. 100% silicone, NO white oil.

TYPICAL USES:
2. Metal&steel, aluminium
3. Masonry substrates like stone, marble, granite, and concrete
4. Aluminium window&door, vinyl window, cladding
5. Roofing &plumbing, facade panels
6. Sanitary wares, fittings&kitchen bathroom




Main Applications:
- Suitable for caulking (joint width within 1 cm to 1.5 cm, if exceeds 1.5 cm, it requires test before used in a large area);
- Weather-resistant sealing for all kinds of glass curtain wall;
- Weather-resistant sealing for aluminum panels and ceramic curtain wall;
- Joint filing of sunshine room, external wall;
- Door and window installation;
- Joint sealing of concrete, marble (granite), brick and tile, ceramic, plastic, and metal plate;
- Other building and industrial uses;
- Compatibility test is recommended before use.

Item | Standard | Test Result | ||
1 | Appearance | Smooth paste without bubble or particles. | Smooth paste without bubble or particles. | |
2 | Sag, mm | Vertical | ≤3 | 0 |
Horizontal | None | None | ||
3 | TFT, h | ≤3 | 1 | |
4 | Extrudability, s | ≤10 | 1.5 | |
5 | Shore A | 20-60 | 46 |

- ISO9001:2015 International Quality Management System Certification
- Member of the China Construction Metal Structure Association
- Certified enterprise of The China Building Materials Product Quality Certification Center (CTC)
- National Construction Silicone Structural Sealant Production Certification Enterprise
1. Free Samples?
Free sample, but only free shipping to cooperative customers.
The MOQ is 50 cartons for our logo; 200 cartons for your logo.
3. OEM Service?
OEM service is welcome, but MOQ shall be 200 cartons
4. Quality Management?
ISO 9001:2015 certification & CTC-certified enterprise
5. Delivery Time?
Within 7-14 days after the receipt of the deposit and confirmed designs.
6. Payment Terms?
30%T/T deposit and 70% balance or L/C at sight.