25cst Methyl Hydrogen Silicone Oil (CAS 63148-57-2) is polymethylhydrosiloxane (PMHS) designed as hydrophobic treatment additive for powder coating. Thanks to active Si-H groups, it can form uniform hydrophobic film on coating surface. The product features good miscibility with powder coating systems, effectively boosting water repellency. It maintains good leveling performance of coatings, widely used for surface modification of different powder coatings.

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Product Overview

25cst Methyl Hydrogen Silicone Oil (CAS 63148-57-2) is polymethylhydrosiloxane (PMHS) with reactive silicon-hydrogen groups. It is a professional hydrophobic treatment additive specially developed for powder coating industry. This silicone oil can form a uniform hydrophobic film on the coating surface after curing. It has excellent compatibility with powder coating raw materials, significantly improving water resistance of coatings while preserving good leveling effect.

Key Features

Excellent hydrophobic modification effect, long-lasting water repellent property
Good compatibility with multiple powder coating systems
Will not adversely affect coating leveling and gloss performance
Low volatility, stable performance under coating curing temperature
Easy dispersion during powder mixing process

Main Applications

Hydrophobic additive for thermosetting powder coatings
Surface modifier for outdoor architectural powder coating
Water repellent agent for metal anti-corrosion powder coating
Functional auxiliary for various industrial powder coating formulations

Usage Guidance

Add and mix uniformly in the powder premixing stage. The recommended dosage depends on target hydrophobic requirements. Avoid overdosage to prevent surface defects. Keep isolated from catalysts that may trigger premature crosslinking.

Storage & Package

Store hermetically in cool, dry and ventilated warehouse. Keep away from high temperature, open flame and direct sunlight. Standard package: 25kg plastic drum, 200kg iron drum. Shelf life: 12 months under suitable storage conditions.

Service Support

Testing samples are provided for formulation verification. Stable bulk supply and technical guidance for powder coating manufacturers. Please contact us to get TDS, COA and factory direct quotation.

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.