Ⅰ. Product Features
- Targeted Performance: As a premier Water Repellent MQ Silicone Resin, the 604 series utilizes a polysiloxane compound with a compact double-layer spherical structure to provide outstanding water repellency and film-forming properties across diverse industrial environments.
- Superior Durability: Exhibits excellent heat resistance, aging resistance, and UV radiation resistance, ensuring long-term protection for critical components.
- Versatile Bonding & Reinforcement: Functions as a powerful tackifier for silicone pressure-sensitive adhesives and construction sealants, while also serving as a reinforcing additive to improve the mechanical strength of silicone rubber.
Ⅱ. Product Details
| Model | 604 series methyl MQ silicone resin | ||
| Index | 604P | 604S | 604N |
| Appearance | White Powder | Colorless Transparent Liquid | Colorless transparent viscous liquid |
| Viscosity(25℃) | – | 15-30S (4# cup) | ＞10000 cp [1] |
| Solid content% | ＞99 | 65±2 | ＞99 |
| M/Q value | 0.6-0.9 [2] | 0.6-0.9 [2] | 0.6-0.9 [2] |
| Note: 1. [1] (Viscosity parameter of 604N) and [2] (M/Q value for all 604 series models) are customizable based on customer requirements, allowing tailored performance for specific application scenarios | |||
Ⅲ. Primary Applications
Adhesives & Sealants: Tackifier for silicone pressure-sensitive adhesives, construction sealants, and epoxy adhesives, as well as mobile phone button bonding.
Electrical Insulation: Used in high-temperature coatings for the insulation, bonding, and sealing of Class H motors.
Daily Chemical Industry: Provides waterproof protection in products such as lipstick.
Industrial Additives: High-quality raw material for making release agents and defoamers to improve foam inhibition.
Ⅳ. Packaging and Storage
Packed in 25kg cardboard drums or 200kg lined plastic iron drums. Room temperature sealed storage, solution for half a year, powder and silicone oil type for one year. If the storage time exceeds the expiration date indicated on the label, it does not mean that the product cannot continue to be used. But in this case, retesting is necessary.
Ⅴ. Instructions
1.Used as tackifier for silicone pressure-sensitive adhesive;
2.High temperature resistant coatings, used for insulation, bonding, sealing, etc. of Class H motors
3.Reinforcing additive in condensation silicone rubber, to enhance color, transparency and mechanical strength
4.Waterproof coatings in daily chemical industry, such as lipstick
5.It can be used as a raw material for making release agents;
6.Raw material for defoamer to improve defoaming and foam inhibition ability.