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3M Thermally Conductive Acrylic Interface Pad 5590H vs Thermal Grizzly Minus Pad Extreme: Comparison
What is the difference between 3M Thermally Conductive Acrylic Interface and Thermal Grizzly Minus Pad Extreme?
Compound type is the dividing line, 3M Thermally Conductive Acrylic Interface Acrylic Pad against Thermal Grizzly Minus Pad Extreme Silicone-Based Pad. There is a split on reapplication interval as well, No reapplication needed; self-adhesive one-time application on the 3M Thermally Conductive Acrylic Interface versus One-time use recommended by Thermal Grizzly; fit fresh pads... on the Thermal Grizzly Minus Pad Extreme.
Which should you buy, 3M Thermally Conductive Acrylic Interface or Thermal Grizzly Minus Pad Extreme?
Buy the 3M Thermally Conductive Acrylic Interface for silicone-sensitive assemblies near optics, displays or connectors and power electronics and battery gap filling, though it is the wrong buy for high-end GPU memory or VRM cooling. It is the wrong buy for builds where silicone pads are acceptable and higher conductivity is wanted. The Thermal Grizzly Minus Pad Extreme is the one to take for high-end GPU memory and VRM repads and overclocked cards where pad heat transfer is the limit, though it is not built for reusing pads after a teardown; Thermal Grizzly recommends one-time use and very uneven gap heights, where Minus Pad Pro conforms better. Our rating of the 3M Thermally Conductive Acrylic Interface (6.6/10): an industrial acrylic interface pad from an established materials manufacturer, aimed at OEM and repair use rather than enthusiast builds. Our rating of the Thermal Grizzly Minus Pad Extreme (7/10): A high-density filler pad from Thermal Grizzly's Minus Pad line, good for gap-filling where a paste isn't practical.
Frequently asked questions
Do the 3M Thermally Conductive Acrylic Interface and Thermal Grizzly Minus Pad Extreme differ on viscosity?
Yes. Viscosity reads Firm, tacky acrylic polymer sheet on the 3M Thermally Conductive Acrylic Interface versus 0 Pa-s on the Thermal Grizzly Minus Pad Extreme.
Is the Electrical Conductivity the same on the 3M Thermally Conductive Acrylic Interface and Thermal Grizzly Minus Pad Extreme?
It is. Both are listed at Insulating, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- 3M
- Thermal Grizzly Minus Pad Extreme
- Thermal Grizzly
Compound Type
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- Acrylic Pad
- Thermal Grizzly Minus Pad Extreme
- Silicone-Based Pad
Model
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- 5590H
- Thermal Grizzly Minus Pad Extreme
- Thermal Grizzly Minus Pad Extreme
Electrical Conductivity
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- Insulating
- Thermal Grizzly Minus Pad Extreme
- Insulating
Package Size
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- Sheets and die-cut shapes, 0.5/1.0/1.2/1.5/2.0mm thick
- Thermal Grizzly Minus Pad Extreme
- 120x20mm or 100x100mm sheets, 0.5/1/1.5/2/3mm thick, +/-0.1mm tolerance
Recommended Use
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- Battery cooling, power electronics and HMI displays (general electronics gap filling)
- Thermal Grizzly Minus Pad Extreme
- High-end CPU/GPU
Reapplication Interval
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- No reapplication needed; self-adhesive one-time application
- Thermal Grizzly Minus Pad Extreme
- One-time use recommended by Thermal Grizzly; fit fresh pads after any teardown
Safety Notes
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- Non-conductive acrylic pad; no special handling precautions required
- Thermal Grizzly Minus Pad Extreme
- Cut to size with scissors; non-conductive
Viscosity
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- Firm, tacky acrylic polymer sheet
- Thermal Grizzly Minus Pad Extreme
- 0 Pa-s
Paste Segment
- 3M Thermally Conductive Acrylic Interface Pad 5590H
- Pad
- Thermal Grizzly Minus Pad Extreme
- Pad
Which one should you pick?
Choose 3M Thermally Conductive Acrylic Interface Pad 5590H if you already have it on hand or find it at a lower price.
Choose Thermal Grizzly Minus Pad Extreme if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | 3M Thermally Conductive Acrylic Interface Pad 5590H | Thermal Grizzly Minus Pad Extreme |
|---|---|---|
| Amazon | View on Amazon | |
| Newark | View on Newark | |
| Thermal Grizzly | View on Thermal Grizzly |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
3M Thermally Conductive Acrylic Interface Pad 5590H
6.6 / 10 Expert Rating
An industrial acrylic interface pad from an established materials manufacturer, aimed at OEM and repair use rather than enthusiast builds.
Thermal Grizzly Minus Pad Extreme
7 / 10 Expert Rating
A high-density filler pad from Thermal Grizzly's Minus Pad line, good for gap-filling where a paste isn't practical.