Graco Inc.

Helioseal® PVS 800  Elastomer Based Hot Melt Material

Material Supplier:

ADCO Kömmerling


Solar Photovoltaic


Junction box potting and back hole sealing

Material Specs:

HelioSeal® PVS 800 is a hot melt, pumpable elastomer based material designed for use as a back hole and J-Box pottant/sealant.

Typical Properties:

  • Single-component hot melt material
  • Viscosity:
    • 45,000 cps at 300°F (149°C)
  • Set time: 5 minutes
  • Application pumping temperature: 275°F to 325°F (135°C to 163°C)
  • Color: Black

Graco Therm-O-Flow® 20 Bulk Hot Melt Supply System

  • Part numbers for Therm-O-Flow 20:
    • T621FB
    • T621FS
  • Both Therm-O-Flow 20 models offer:
    • 23:1 ratio
    • NXT® Air Motor
    • Check-Mate® 800 lowers
    • Finned platen
    • Six zone heat control
    • Dynamic air regulator
    • Heated material hose

Graco PGM™ Metering System

  • Part number: PG0221
  • The Graco PGM 6 Precision Gear Metering System features a PLCbased controller, direct mount EnDure® Dispense Valve, automation I/O cable, dispense needle.

All written and visual data are based on the latest product information available. Graco reserves the right to make changes at any time without notice. Graco Material Test: DR244

All other brand names or marks are used for identification purposes and are trademarks of their respective owners. Exact equipment configuration will vary and depend on factors such as rate of output, length and size of hoses, bead size desired, and container sizes.

Highest Throughput Capacity in the Industry

Graco Therm-O-Flow® bulk hot melt adhesive systems consistently outperform the competition and provide the best performing industrial bulk hot melt supply systems on the market. Therm-O-Flow provides a throughput capability over 200% better than the leading competitor when using PSA and butyl hot melt adhesives.

Therm-O-Flow’s advanced temperature control capability and melt-on-demand process virtually eliminates overheated material, resulting in better adhesive quality and reduced rework due to degraded material. Learn more about the Therm-O-Flow 200.

Precision Fluid Dispense

The Graco PGM Metering System provides precision gear metering and ultimate control for smooth, consistent bead and ribbon dispensing – even with high-viscosity materials. With a capacity for higher flow rates, the Graco PGM helps manufacturing facilities dramatically improve production capacity and ROI. Learn more about the PGM Metering System.

Unmatched Quality, Performance & Support

Graco systems are engineered and built to deliver consistent performance, outperform the competition and help improve to your bottom line. With Graco’s ongoing investment in new technologies, you are assured a world-class product offering that helps maximize your plant’s production capacity. Graco is dedicated to providing the highest level of service through our knowledgeable, qualified global team of distributors. 

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