PPG Semco® Model 388 Semkit® Package Mixer — Automated Precision Mixing | 115 VAC | 90 PSI
Automated mixing precision — engineered to eliminate operator fatigue and deliver consistent, thorough results across every Semkit® package, every time.
The PPG Semco® Model 388 Semkit® Package Mixer delivers fully automated precision mixing for all filled Semkit® packages — eliminating operator fatigue, ensuring superior mix consistency from kit to kit, and providing dependable, repeatable performance across the most demanding professional and aerospace applications.
⚠️ Safety Notice: Always follow applicable safety protocols and manufacturer guidelines when operating mixing equipment. Ensure power and pneumatic supply compatibility before use. Do not exceed recommended operating pressures or mixing cycle parameters.
At a Glance — Standard Configuration (221269)
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Automated
Mixing Operation
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2.5 / 6 / 8 oz
Cartridge Sizes
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Technical Specifications — Standard Configuration (221269)
| Specification |
Detail |
| Brand |
PPG – Semco® |
| Model |
388 Semkit® Package Mixer |
| Configuration / Part No. |
Standard — 221269 |
| Operation Type |
Fully Automated |
| Power Supply |
115 VAC Electrical |
| Pneumatic Supply |
90 PSI Air Supply |
| Compatible Cartridge Sizes |
PPG Semco® 2.5 oz, 6 oz, and 8 oz Semkit® Cartridges |
| Additional Variants |
Available for alternative cartridge sizes & fully pneumatic environments |
| Compatible With |
All Filled PPG Semco® Semkit® Packages |
Choosing the Right Semkit® Mixer
Model 285-A — Semi-Automatic
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→Operator-assisted vertical stroke |
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→Built-in bell timer cycle alert |
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→115 VAC only — no air supply needed |
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→Ideal for lower-volume operations |
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Model 388 — Fully Automated ← You Are Here
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→Fully automated — zero operator effort |
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→115 VAC + 90 PSI pneumatic operation |
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→2.5 oz, 6 oz & 8 oz cartridge compatibility |
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→Engineered for high-volume production |
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Key Features & Benefits
🤖 Fully Automated Mixing
Unlike semi-automatic systems, the Model 388 delivers fully automated mixing operation — eliminating operator involvement in the blend cycle entirely and ensuring consistent, repeatable results from the very first kit to the very last.
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🎯 Kit-to-Kit Consistency
Engineered to achieve consistent, thorough mixing from kit to kit — eliminating the variability of manual or semi-automatic methods and guaranteeing uniform material properties for reliable application performance every time.
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💪 Zero Operator Fatigue
Full automation completely eliminates the physical demands of manual mixing — reducing operator fatigue to zero and enabling sustained high-volume production without compromising mix quality or worker productivity.
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⚡ Dual Power Operation
The standard configuration (221269) operates on both 115 VAC electrical and 90 PSI pneumatic air supply — providing robust, reliable power for continuous automated mixing in professional production environments.
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📦 Multi-Size Cartridge Compatibility
Standard configuration (221269) is compatible with PPG Semco® 2.5 oz, 6 oz, and 8 oz Semkit® cartridges — covering the most widely used package sizes across aerospace and industrial applications.
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🏭 Production-Grade Reliability
Engineered for dependable performance in demanding production environments — built to withstand the rigors of continuous high-volume operation while maintaining consistent mixing quality and operational uptime.
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Why Automated Mixing Matters
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Manual Mixing Risks
Operator-dependent variability, inconsistent blend ratios, fatigue-driven errors, and unreliable cycle times — leading to non-conforming material properties and costly rework
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⚠️
Inconsistent Mix Quality
Incomplete mixing leads to improper cure, adhesion failures, and sealant performance that fails to meet aerospace or industrial quality standards — jeopardizing structural integrity
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Model 388 Solution
Full automation delivers zero-fatigue, kit-to-kit consistent blending — eliminating variability and ensuring every package meets your exact material performance requirements
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Additional Model 388 Variants Available
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Need a Different Cartridge Size or Fully Pneumatic Operation?
Additional Model 388 variants are available for alternative cartridge sizes and fully pneumatic environments where electrical power is unavailable or restricted. Contact your local PPG Aerospace Application Support Center for specialized configuration guidance.
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📞 PPG Aerospace
Application Support Center
Contact your local representative
for specialized configurations
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Aerospace Assembly High-Volume Production Lines Two-Part Sealant Mixing Two-Part Adhesive Preparation MRO Operations Commercial Aircraft Manufacturing Military Aircraft Assembly Quality-Critical Material Blending
Complete Your Workflow
⚠️ Required Components
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Semco® Semkit® Cartridge Packages
Filled 2.5 oz, 6 oz, or 8 oz Semkit® packages — compatible with standard configuration 221269
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115 VAC Power Supply
Standard electrical outlet required for mixer motor operation
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90 PSI Compressed Air Supply
Pneumatic air supply required for automated mixing cycle operation
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⭐ Recommended Accessories
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Dispensing Guns
Pneumatic or manual guns for precise, controlled material application after mixing
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Precision Nozzles
Targeted material delivery nozzles — available in multiple tip configurations for specific applications
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Professional Application Tools
Spatulas, brushes, and finishing tools for professional material application and surface preparation
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Quality You Can Count On
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Fully Automated Precision
Zero operator involvement in the blend cycle — consistent, repeatable results every time
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🎯
Kit-to-Kit Consistency
Uniform material properties guaranteed across every package in your production run
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💪
Zero Operator Fatigue
Full automation sustains productivity across high-volume operations without physical strain
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🏭
Production-Grade Reliability
Engineered for dependable performance in the most demanding industrial environments
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Tips for Best Results
✓ Verify air supply is at 90 PSI and electrical supply is 115 VAC before initiating any mixing cycle
✓ Confirm your Semkit® cartridge size (2.5 oz, 6 oz, or 8 oz) is compatible with standard configuration 221269 before loading
✓ Allow the full automated mixing cycle to complete — do not interrupt the cycle to ensure thorough, homogeneous material blending
✓ Dispense mixed material promptly after cycle completion — follow material manufacturer's pot life guidelines to ensure optimal application performance
✓ For alternative cartridge sizes or fully pneumatic environments, contact your PPG Aerospace Application Support Center for the correct Model 388 variant
PPG Semco® Model 388 Semkit® Package Mixer — Automated precision mixing engineered for professional performance, consistency, and productivity.
Standard Configuration 221269 — Compatible with 2.5 oz, 6 oz & 8 oz Semkit® cartridges. Additional variants available.
⚠️ Safety & Compliance Notice: Always follow applicable safety protocols and manufacturer guidelines when operating mixing equipment. Ensure power and pneumatic supply compatibility before use. Do not exceed recommended operating pressures or mixing cycle parameters.
Semco® and Semkit® are registered trademarks of PPG Industries. Specifications subject to change without notice. For specialized configurations, contact your local PPG Aerospace Application Support Center.
