Expanded Vermiculite

Silver White Vermiculite – Specifications

1. Raw Vermiculite (Un-expanded / 原矿蛭石)

• Particle Size:

  1–3mm, 2–4mm, 3–5mm, 5–8mm

• Color: Silvery white, golden silver

• Moisture: ≤3%

• Bulk Density: ≈ 80–130 kg/m³

2. Expanded Vermiculite

Thermal Insulation Grade 

• Sizes:

  0.5–1mm, 1–3mm, 2–4mm, 3–6mm, 5–8mm

• Bulk Density:

  60–130 kg/m³

• Thermal Conductivity:

  0.04–0.06 W/(m·K)

• Melting Point:

  1200–1350 ℃

Horticultural Grade

• Sizes:

  1–3mm, 2–4mm, 3–5mm

• Features:

  Good water retention, air permeability, clean and dust-free

Pet & Hatching Grade 

• Sizes:

  1–3mm, 2–4mm，3-6mm,5-8mm

• Features:

  Sterilized, low dust, good heat & moisture retention

Industrial Filler Grade 

• Sizes:

  10-40mesh,40–60 mesh, 60–100 mesh, 100–200 mesh

• Applications:

  Brake pads, plastics, coatings, rubber filling

3. Common Mesh Sizes (常规目数)

• 5-8mm

• 3-6mm

• 2-4mm

• 1-3mm

• 10-40 mesh

• 40–60 mesh

• 60–100 mesh

• 100–200 mesh

• 200 mesh fine powder

4. Packaging (包装)

• 10kg / 15kg / 20kg / 25kg PP bags

• 50L / 70L / 100L compressed bales

• Custom packaging available