PLEXUS PC120 - Primer/Conditioner IP120 For MA Adhesives
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Plexus® PC-120 Cleaner Conditioner is a fast-drying surface treatment designed to improve the long-term durability of Plexus adhesive bonds on aluminum and stainless steel assemblies. It cleans light surface contaminants while leaving behind active ingredients that help bonded metal structures resist exposure to water and saltwater environments.
PC-120 can be applied by wiping, brushing, or spraying. Its red dye provides a visual application indicator—a light, even red tint shows that enough product has been applied. Once dry, the prepared parts are ready for bonding, typically within 1 to 3 minutes under ambient conditions.
Key Features
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Improves the long-term durability of aluminum and stainless steel bonds
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Cleans metal surfaces before adhesive application
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Helps bonded assemblies resist long-term saltwater exposure
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Fast drying at ambient temperatures
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Apply by wiping, brushing, or spraying
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Red tint helps confirm complete and even coverage
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May replace routine solvent cleaning in many applications
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Requires only a thin, even film
Recommended Applications
Use Plexus PC-120 to prepare:
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Aluminum
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Stainless steel
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Metal assemblies exposed to water, humidity, or saltwater
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Surfaces being bonded with compatible Plexus structural adhesives
Compatible Plexus Adhesives
Recommended for use with the following Plexus adhesives when bonding metals:
MA300, MA310, MA320, MA420, MA425, MA530, MA550, MA560-1, MA590, MA830, MA832, MA920.
Application Instructions
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Remove excess oil and visible contaminants with a clean cloth.
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Apply PC-120 in a thin, even layer by wiping, brushing, or spraying.
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Confirm that a light red tint is visible across the bonding area.
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Allow the cleaner conditioner to dry before applying adhesive.
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Bond the parts within the specified working time of the selected Plexus adhesive.
Do not apply a heavy or deep-red coating. Excess product may reduce bond performance. PC-120 should be used as a cleaner conditioner rather than as a thick-film primer.
Product Specifications
| Specification | Details |
|---|---|
| Product | Plexus PC-120 |
| SKU | IP120 |
| Product Type | Cleaner and conditioner |
| Container Size | 944 mL |
| Appearance | Red liquid |
| Odor | Solvent |
| Primary Solvent | Isopropyl alcohol |
| Density | Approximately 0.81 g/cm³ |
| Flash Point | Approximately 53.6°F / 12°C |
| Application Methods | Wipe, brush, or spray |
| Coverage | Approximately 250 sq. ft. per 500 mL |
| Shelf Life | 12 months in unopened containers |
| Recommended Storage | 59°F–86°F / 15°C–30°C |
Safety and Handling
Danger: Highly flammable liquid and vapor. Causes serious eye irritation and may cause drowsiness or dizziness.
Use only outdoors or in a well-ventilated area. Keep away from heat, sparks, open flames, hot surfaces, and other ignition sources. Keep the container tightly closed and wear appropriate protective gloves and eye or face protection. Review the Safety Data Sheet before handling or use.
Storage
Store tightly closed in a cool, dry, well-ventilated location away from direct sunlight, heat, sparks, open flames, strong oxidizers, acids, chlorine, and isocyanates. The stated shelf life is 12 months when stored unopened between 59°F and 86°F.
Important Use Note
Always test the selected adhesive and substrate combination under anticipated service conditions before production use. Product performance can vary depending on surface condition, application method, storage, handling, and operating environment.