YS 575 Silicon Carbide YY Weight Cloth Belt

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YS 575 is a silicon carbide belt on YY-weight heavy polyester with semi-open coat, made for wide-belt linishing of laminate, MDF, particle board, and veneered panel. YY-weight designation is the critical specification here — standard Y-weight polyester elongates under the high belt tension of wide linishing machines and causes belt wander, breaking the scratch pattern uniformity that high-gloss laminate and UV-coated surfaces cannot tolerate.
Key Specifications
Dimension Custom
Abrasive Grains Silicon Carbide
Coating Semi-open coat
Backing Material YY - weight polyester
Grit Ranges
24
36
40
50
60
80
100
120
150
Brand: CUMI

Information Material:

Additional Details

Speciality Wet / Dry
Bond Type Resin
Grit Range Extra Coarse to Fine

Product Information

Features
- Closely graded silicon carbide grain on YY-weight heavy polyester backing
- Semi-open coat, wet and dry compatible, wide belt linishing and satin finishing machine compatible
- Engineered for laminate, MDF, particle board, and veneered panel processing on high-tension wide-belt machines
Benefits
- YY-weight polyester resists elongation under wide-belt machine tension — belt tracks true and scratch pattern stays uniform across the full board width
- Closely graded SiC delivers consistent scratch geometry across laminate and veneered panel — critical before UV coating or film lamination
- Semi-open coat resists loading on the bonding resin systems in MDF and particle board, extending belt life per run
Advantages
- YY-weight specification was chosen because belt wander from elongation is the dominant quality failure in wide-belt laminate processing — Y-weight is not sufficient for this application
- Silicon carbide's sharper fracture pattern produces a finer, more consistent scratch than Aluminum Oxide at equivalent grit on composite substrates — better coating adhesion surface

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