Description
SEM 80 Grit 150mm Sanding Discs (50pk) | Boat Supply Store
For demanding marine surface preparation and finishing, these SEM 150mm 80 Grit sanding discs deliver aggressive material removal and a consistent scratch pattern. Engineered with 'precision grain technology', the semi-open ceramic blend offers superior cutting speed and an extended disc life, ensuring a uniform finish across fiberglass hulls and gelcoat. Ideal for prepping surfaces before painting or applying protective coatings on vessels navigating challenging coastal waters.
Key Features
- Fast cutting due to semi-open ceramic blend
- Long disc life with precision grain technology
- Uniform finish across marine substrates
- Exceptional edge wear for durability
- Consistent scratch pattern for predictable results
- 150mm (6") diameter for standard DA sanders
- 80 Grit for effective material removal
- Pack of 50 discs for extended projects
Specifications
| Product Specifications | |
|---|---|
| Diameter | 150mm (6") |
| Grit | 80 |
| Quantity per Box | 50 |
| Backing Material | Film |
| Abrasive Type | Semi-open ceramic blend |
| Grit Grade | Standard P grade |
Who This Is For
Marine professionals and DIY boat owners undertaking surface preparation, sanding, and finishing tasks on boat hulls, decks, and components. Particularly effective for aggressive material removal and achieving a consistent scratch pattern.
How It Compares
| Feature | SEM 80 Grit 150mm Sanding Discs (50pk) | Competitor |
|---|---|---|
| Diameter | 150mm (6") | 6 inch, 6 inch |
| Grit | 80 | 80, 80 |
| Backing Material | Film | Paper, Net |
| Abrasive Type | Ceramic Blend | Aluminum Oxide, Aluminum Oxide |
| Quantity per Box | 50 | 50, 50 |
Common Concerns Answered
Will these discs load up on soft materials?
While effective on most marine substrates, these discs may load up faster on extremely soft or gummy materials compared to specialized discs designed for those specific applications. Consider alternative grits for initial heavy removal on very soft surfaces.
Are these discs aggressive enough for heavy material removal?
The 80 grit combined with the ceramic blend provides aggressive cutting. However, for extremely heavy material removal, users may opt for an even coarser grit for the initial stages of the sanding process.
How do these compare to other well-known abrasive brands?
SEM's 'precision grain technology' offers a competitive advantage in cutting speed and disc life. While other brands utilize aluminum oxide, SEM's ceramic blend is engineered for superior performance and durability in marine environments, delivering a consistent finish.
Frequently Asked Questions
What grit is this sanding disc?
These sanding discs are 80 Grit, suitable for aggressive material removal and surface preparation.
How many sanding discs are in a box?
Each box contains 50 sanding discs.
What is the diameter of these sanding discs?
The diameter of these sanding discs is 150mm, which is equivalent to 6 inches.
What type of backing do these discs have?
These discs feature a durable film backing, designed for hook and loop attachment.
What is 'precision grain technology'?
'Precision grain technology' refers to SEM's method of uniformly spacing and orienting abrasive grains to maximize cutting efficiency, extend disc life, and ensure a consistent finish across the entire surface of the disc.
