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Material Selection Guide

Caps / Plugs / Custom Molded Masks

Process/ MaterialStandard VinylHi-Temp VinylEPDMSilicone
Maximum Temperature225° F (107° C)446° F (230° C)475° F (246° C)600° F (316° C)
Painting -Air DryLowest cost alternative.Functions well.
Higher cost alternative.
Functions well.
Costly alternative.
Functions well.
Costly alternative.
Painting with Bake up to 350°Will withstand some low-cure processes.Works in most processes at significantly less cost than Silicone or EPDM.Typically only used if Hi-Temp vinyl does not perform.Functions well.
Costly alternative.
Powder CoatingLess effective then
Hi-Temp vinyl.
Works in some processes especially when using large masks. One time use. Wash caps to remove any mold release.Works in most processes.
Fewer passes than Silicone products.
Works in nearly every process. Get multiple passes as powder is easily cracked off.
E-CoatingTypically will not withstand bake temperatures.Low cost alternative.
Specify industrial wash to eliminate mold release.
Works in most processes.
Fewer passes than Silicone products.
Works in nearly every process. Get multiple passes as powder is easily cracked off.
PlatingLowest cost alternative, but some chemicals may break them down.N/AGreat chemical resistance makes these a safe choice for most plating processes.Costly alternative.

 

Tapes / Discs / Custom Die Cuts

ProcessMaterial
Painting with Bake up to 325°Hi-Temp Crepe 325° (163°) for 20 minutes.  
Powder Coating2 mil. Green Polyester resists up to 400° (204°) for 20 minutes.
Industry standard.
1 mil. Polyimide Kapton™ resists up to 500° (260°) for 20 minutes.Non-Adhesive, Self-Fusing Silicone Tape resists up to 500° (260°).
E-Coating2 mil. Green Polyester resists up to 400° (204°) for 20 minutes.
Industry standard.
 
PlatingVinyl Platers Tape. 
     
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