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Smooth / Medium Grade

C-150Smooth Medium-Grade Flake for Uniform-Spray Protective Systems

C-150 delivers a tighter particle-size distribution around a 140 μm median, producing a smoother cured-film surface than C-90 while retaining strong barrier performance. Ideal where finish quality and spray uniformity are as important as protection.

C-150 smooth medium-grade glass flakes — narrow PSD C-glass platelets D50 140 μm for uniform-finish spray coatings
C-150 glass flakes — macro view of precision-milled platelets (C-Glass substrate).

Key Specifications

Median Diameter (D50)
140 μm
Nominal Thickness
5 ± 2 μm
Bulk Density
0.5 g/cm³
Typical Aspect Ratio
80–280 : 1
Product Overview

About C-150

C-150 is a narrow-distribution C-glass flake with 75% of mass falling between 300 μm and 45 μm, a D50 of 140 μm, and 5 ± 2 μm thickness. The tighter PSD — compared with C-90 — means fewer coarse outliers, which translates to a visibly smoother cured-film surface and improved spray consistency through airless equipment. C-150 is the preferred grade for mid-range protective coatings where appearance, recoatability, and sealing performance matter equally: architectural anti-corrosion coatings, floor topcoats, and chemical-contact sealers.

Surface Treatment Options

Available Variants

C-150N
Untreated — decorative polymer and FRP applications.
C-150V
Silane-treated for vinyl-ester resins — chemical-contact topcoats.
C-150E
Silane-treated for epoxy resins — premium mid-range protective systems.
Particle Size Distribution

PSD Profile

1700–300 μm5%
300–45 μm75%
<45 μm20%
Technical Data

Full Specifications

Median Diameter (D50)140 μm
Nominal Thickness5 ± 2 μm
Bulk Density0.5 g/cm³
Typical Aspect Ratio80–280 : 1
Glass TypeC-Glass (calcium-aluminosilicate)
Surface TreatmentsN (none) · V (vinyl-ester) · E (epoxy)
Recommended Loading18–28 wt%
Recommended DFT200–400 μm
Surface FinishSmoother than C-90 — suitable for decorative topcoats
Packaging20 / 25 kg moisture-proof paper bag
MOQ1,000 kg
Lead Time2–4 weeks from order confirmation
Trade TermsFOB Tianjin · CNF · CIF
Recommended Use

Typical Applications

Mid-range architectural anti-corrosion coatings
Industrial floor topcoats and decorative-barrier finishes
Chemical-contact sealers for concrete and steel
Potable-water and food-contact certified coating systems (application-specific)
Secondary containment & spill-berm sealers
Recoat and maintenance-coat applications over weathered glass-flake primers
Formulation Compatibility

Recommended Coating Systems

  • Epoxy mid-range protective systems (use C-150E)
  • Vinyl-ester chemical-contact topcoats (use C-150V)
  • Two-coat systems where C-150 serves as the appearance-grade topcoat over C-90 primer
  • Polyester gel-coats with barrier enhancement
Compare Grades

Related Products

C-28
Coarse / Bulk-Fill Grade
View details →
C-90
Mid-Range / Spray Grade
View details →
C-400
Ultra-Fine / Pigment Grade
View details →
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Request C-150Sample & Quotation

Free sample kits shipped worldwide — you only cover freight, which may be discounted on your first order. Typical MOQ 1,000 kg; lead time 2–4 weeks.

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