Dimer improves on coating thickness and uniformity.

Dimer improves on coating thickness and uniformity. PCS Dimer, produced by Parylene Coating Services Inc. (Katy, TX; 281/391-7665) contains few contaminants, thereby offering better protection for substrates. To create the chemical precursor (diparaxylylene) used in the polymer deposition process, two identical molecules combine and are then heated to form a gaseous monomer that deposits evenly over substrate surfaces, including those with edges or cavities.

February 1, 2002

1 Min Read
Dimer improves on coating thickness and uniformity.

PCS Dimer, produced by Parylene Coating Services Inc. (Katy, TX; 281/391-7665) contains few contaminants, thereby offering better protection for substrates. To create the chemical precursor (diparaxylylene) used in the polymer deposition process, two identical molecules combine and are then heated to form a gaseous monomer that deposits evenly over substrate surfaces, including those with edges or cavities. Two forms of PCS Dimer are available: Parylene C, used for its electrical and physical properties, and Parylene N, offering dielectric strength for applications requiring greater coating penetration. Both are ISO 10993-6 and USP Class VI compliant, and they meet the requirements for MIL-I-46058C.

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