Parylene Advantage
Parylene is considered by many to be the ultimate conformal coating for the protection of devices,components and surfaces in the electronics, instrumentation, aerospace, medical and engineering industries.
Coatings perform well as dry lubricants: static and dynamic friction coefficients are equal and comparable to fluoropolymers with the advantage that they also have good wear and abrasion resistance.
1. A Poly-para-Xylylene coating film
formed by the chemical vapor deposition (CVD) process.
2. Parylene is a conformal protective polymer coating material utilized to uniformly protect any component configuration on such diverse substrates as metal, glass, paper, resin, plastic, ceramic, ferrite and silicon.
3. Parylene provides exceptional protection for the most extreme environmental conditions.
4. The Parylene film is chemically inert, no acid or alkaline material will attack it in any significant manner.
5. Usages for the Parylene coating
includes, implantable devices, fish tags, circuit boards (SMT, Thruhole, or mixed technology) sonar applications, ultrasonic applications, surgical devices, and elastomers.
6. Parylene coatings are completely conformal, of uniform thickness and pinhole free.
7. Parylene has no curing cycle, unlike other conformal coating materials. Once deposited, it is ready to go to work.
8. Parylene has chemical resistance similar to Teflon. It resists attack and is insoluble in all organic solvents up to iS00C and is resistant to permeation by most solvents with the exception of aromatic hydrocarbons.
Poly-Para-Xylylene
Versions
For example, Parylene N
provides particularly high dielectric strength and a dielectric constant that is independent of frequency.Because of its high molecular activity in the monomer state, Parylene N has the highest penetrating power of the Parylenes, with the ability to coat deep recesses and blind holes.
Parylene C
has a chlorine atom on the benzene ring, and this results in modified electrical and physical properties including very low permeability to moisture and corrosive gases.The Parylene C deposition rate is substantially faster than that of Parylene N, resulting in reduced crevice penetration ability.
Parylene D
, with two chlorine atoms on the benzene ring, has the highest degree of thermal stability.
More information please view our web:https://www.hnsolarchem.com/
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