General Purpose Acetic Silicone Sealant GP
Topsen 516GP is a ready-to-use silicone sealant for general purpose sealing applications (indoor and outdoor). It is an acetoxy silicone sealant suitable for sanitary or other construction sealing applications. Good adhesion to a variety of non-porous substrates, resistant to ultra-violet radiation, waterproof, good chemical resistance, excellent elasticity.
| Product | General Purpose Acetic Silicone Sealant |
| Model No. | 516 (Grade A/B/C/D) |
| Type | Acetic Curing |
| Color | Clear, Black, White, or as customized |
| Usage temperature | +5ºC~+40ºC |
| Applicated temperature | -40ºC~+150°ºC |
| Packing | 280/300ml/Cartridge, 24pcs/Carton; 200L Barrel |
| Shelf life | 9 months |
Features:
1. Fast curing speed, durable seal;
2. Good adhesion and compatibility to most building materials;
3. Excellent weather ability and high resistance to UV radiation, heat, humidity, ozone, and high temperature.
4. The formed silicone rubber maintains excellent properties in the temperature range of -40ºC to +150ºC. 
Use Limitations:
1. All the surfaces that bleed oils, plasticizers, or solvents.
2. Non-corrosion-resistant substrates such as concrete, porous stones (like marble), coated glass, copper, lead, and galvanized materials;
3. The mucilage shall not be completely isolated from the air before fully curing;
4. The frosty or moist surface;
5. Cannot be used for structural bonding.
| Acetic General Silicone Sealant | ||||
| Performance | Standard | Measured Value | Testing Method | |
| Test at 50±5% RH and temperature 23±2ºC | ||||
| Density (g/cm³) | ±0.1 | 0.95 | GB/T 13477 | |
| Tack-free Time (min) | ≤180 | 10 | GB/T 13477 | |
| Extrusion g/5S | ≥40 | 102 | GB/T 13477 | |
| Tensile Modulus (Mpa) | 23ºC | ≤0.4 | 0.28 | GB/T 13477 |
| -20ºC | or ≤0.6 | 0.3 | ||
| 105ºC weight loss, 24hr % | / | 55 | GB/T 13477 | |
| Slumpability (mm) Vertical | ≤3 | 0 | GB/T 13477 | |
| Slumpability (mm) Horizontal | 0 | 0 | GB/T 13477 | |
| Curing Speed (mm/d) | 2 | 2.5 | / | |
| As Cured-after 21 days at 50±5% RH and Temperature 23±2ºC | ||||
| Hardness (Shore A) | 20-60 | 22 | GB/T 531 | |
| Tensile Strength under Standard Conditions (Mpa) | / | 0.12 | GB/T 13477 | |
| Elongation of Rupture (%) | / | 500 | GB/T 13477 | |
| Movement Capability (%) | 12.5 | 12.5 | GB/T 13477 | |
