Description
SEM 150mm 800 Grit Sanding Disc (50pk) | Boat Supply Store
For meticulous finishing on marine substrates, SEM's 150mm (6") sanding discs employ a semi-open ceramic blend with an 800-grit rating for efficient material removal and a uniform scratch pattern. The film backing provides durability, while SEM's 'precision grain technology' ensures extended disc life, making them ideal for gelcoat polishing or preparing hull surfaces for paint application before a trip across Galveston Bay. This box of 50 discs facilitates consistent results across multiple projects.
Key Features
- Fast cutting with a ceramic blend for efficient material removal.
- Extended disc life due to precision grain technology.
- Uniform finish for professional-grade results.
- Exceptional edge wear enhances durability during use.
- Consistent scratch pattern ensures predictable outcomes.
- Film backing provides robust support for sanding.
- 800 Grit rating ideal for fine finishing and defect removal.
- Box of 50 discs offers value and supply continuity.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 150mm (6") |
| Grit | 800 |
| Quantity per Box | 50 |
| Backing Type | Film |
| Abrasive Blend | Semi-open ceramic blend |
| Grit Grade | Standard P grade |
Who This Is For
Marine professionals, boat builders, and restoration specialists demanding high-quality, consistent abrasive performance for critical finishing stages. DIY boat owners seeking professional results on various marine substrates will also find these discs highly effective.
How It Compares
| Feature | SEM 150mm 800 Grit Sanding Disc (50pk) | Competitor |
|---|---|---|
| Diameter | 150mm (6") | 6 inch |
| Grit | 800 | 800 |
| Abrasive Type | Ceramic Blend | Aluminum Oxide |
| Backing Type | Film | Film |
| Quantity per Box | 50 | 25 |
Common Concerns Answered
Are these discs suitable for marine use, given they're designed for automotive repairs?
Yes, the durable ceramic blend and precision grain technology in SEM's 150mm 800 Grit discs provide excellent performance and durability on common marine substrates like fiberglass, gelcoat, and painted surfaces, offering professional-grade finishes.
How does dust extraction compare to other disc types?
While these discs feature a film backing for durability and a consistent finish, some users may prefer net-backed discs for superior dust extraction in heavily dusty environments. However, the semi-open ceramic blend does aid in reducing loading.
Is SEM a widely available brand for marine sanding supplies?
SEM is a respected brand in abrasive technology, known for quality. While major brands might have broader distribution, these SEM discs are readily available at BoatSupplyStore.com, ensuring you can acquire them for your critical projects.
Frequently Asked Questions
What is the grit rating of the SEM 150mm Sanding Disc?
The SEM 150mm (6") Sanding Discs are rated at 800 Grit.
How many sanding discs are included in a box?
Each box contains 50 SEM 150mm (6") Sanding Discs.
What type of backing do the SEM Sanding Discs feature?
These SEM sanding discs utilize a durable film backing.
Can you explain SEM's 'precision grain technology'?
SEM's 'precision grain technology' refers to their proprietary method of uniformly distributing and shaping abrasive grains, which enhances cutting efficiency, disc longevity, and the consistency of the finished surface.
What marine substrates are these 800-grit discs best suited for?
These 800-grit discs are excellent for fine finishing and surface preparation on gelcoat, fiberglass, painted surfaces, and other composite materials commonly found on boats.