Renewable Energy For The World Needs
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Renewable Energy For The World Needs
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About YSMTC
Yuan-Shin Materials Technology Co., Ltd. (YSMTC) was established in 2004 with the full support of Taiwan Styrene Monomer Corporation (TSMC). Using TSMC’s R&D laboratory as the basis for process design and scale-up capabilities, and in collaboration with Taiwan’s national research institutes, YSMTC has developed commercial production technologies for organofluorine compounds over the past few decades. YSMTC has been granted 24 patents in the United States, Japan, China and Taiwan, covering the synthesis of Parylene AF4 (also known as Parylene HT) and its precursors. The purity of YSMTC Parylene AF4 is the highest on the market, and the quality has been certified by world-renowned companies.

Products
Yuan-Shin offers two grades of YSMTC Parylene AF4 dimers: GR and EP grades. The purity of YSMTC parylene AF4-EP is the highest on the market, and the quality of YSMTC parylene AF4 has been certified by world-renowned companies.
YSMTC Parylene AF4 Dimer
CAS No.: 3345-29-7
1,1,2,2,9,9,10,10-Octafluoro-p-cyclophane


Advantages of Parylene AF4 Coating
In addition to the known properties of parylene nano coating, such as pin-hole free conformal coating, waterproof, salt spray resistance, etc., parylene AF4 nano coating also has the following advantageous properties:
- Superior crevice penetration, high aspect ratio (50).
- Light transmission enhancement, birefringence.
- Non-wetting property, low surface energy.
- Thermal stability up to above 450 °C.
- High oxidative resistance.
- UV resistance.
- Solvent resistance, acid and alkali resistance.
- Low water absorption, hydrophobic/non-wetting properties.
- Low gas permeability.
- Biocompatibility and bio-stability.
- Electrical insulation, high dielectric strength.
- Low dissipation factor (DF), low dielectric constant (κ).
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