Macroplast UK 178A

Two-component Polyurethane Adhesive

Material Supplier:

Henkel

Industry:

Filtration

Application:

Two-component polyurethane adhesive for spiral wound membrane bonding

Material Specs:

  • MACROPLAST® UK 178A & B

MACROPLAST UK 178 is the preferred choice for spiral wound reverse osmosis filters. This adhesive has already established itself in the USA and Asia in water purification and gas cleaning filters. MACROPLAST UK 178 meets the highest standards and has been certified in accordance with the U.S. drinking water standard NSF 61. As this product has been very successful overseas, Henkel is now introducing this adhesive in Germany as well.

Typical Properties:

  • Ratio (A:B) by volume: 1:1
  • Ratio (A:B) by mass: 0.9:1
  • Viscosity:
    • Polyurethane resin 178A: 18,000-26,000 cps
    • Hardener 178B: 18,000-26,000 cps
    • Mixed Viscosity: 18,000 cps-30,000cps
  • Chemistry:
    • Two-component polyurethane adhesive
  • Flow rate: up to 576 cc’s per minute
  • Gel Time: 200ml, 75°F, 1:1 mix ratio 40-60 minutes
  • Color: Amber

Graco PR70 Fixed Ratio Meter, Mix and Dispense System

Configuration

  • Part Number: PR7EBBYBYDA9A94821N2NNNNNNN
  • Red Side (A) Pump: 960 mm
  • Blue Side (B) Pump: 960 mm
  • Material Tank(s): 8 liter PE tank with desicant dryer (Qty 2)
  • Hose(s): 3/8 in x 15 ft (19 mm x 4.5 m) stainless steel braided (Qty 2)

Delivery Method

  • Hand held MD2 dispense valve with standard 1:1 nose
  • 1/2 in (12.7 mm) x 24 element mixer

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. 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.

Precision Dispense

The PR70 is a compact, reliable benchtop fixed and variable ratio meter, mix and dispense system that accurately meters, mixes and dispenses two-component medium to high-viscosity materials for a broad range of applications including bonding, sealing, potting, gasketing, encapsulation and syringe filling. Standard features include electric controls, digital shot entry, gel timer, purge and preventative maintenance counters.

Posi- Ratio by Positive Displacement

The Graco PR70 uses positive displacement pumps to deliver unmatched consistency with ratio accuracy to ± 1% and 2X increase in Mean Time Before Failure (MTBF). Multiple configurations support a wide variety of applications with a ratio range from 1:1 to 24:1 with variable drive and shot sizes from 2 to 70m cc’s. Stainless steel design reduces the chance of a material incompatibility while long-lasting wear parts mean lower cost of ownership. Learn more about the PR70.

 

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PR70 - Benchtop Meter, Mix & Dispense System

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