ForMatter/Materials/textile/Industrial Wool Felt
mat_felt_wool_industrial

Industrial Wool Felt

non-woven matted wool fiber · pressed wool felt, F-1 felt, SAE felt
mediumlast updated 2026-04-26
metallic 0.00
hue shift +0°

Wool fiber matted together by heat, moisture, and pressure — no weaving, no stitching. Cuts cleanly with a laser or knife. The dense, slightly springy material of piano hammers, gasket strips, sound-deadening panels, and a generation of designerly product surfaces.

Non-woven textile formed by mechanical agitation and heat pressing of carded wool. Felts are graded by density (F-1 hard, F-3 medium, F-7 soft per SAE J314). Densities span 240 g/m² (soft) to 520 g/m² (hard). Sound-absorbent in the 1–4 kHz range; modest thermal insulator.

mechanical

  • density_kg_m3360
  • tensile_strength_mpa4
  • elongation_at_break_pct60
source: SAE J314 felt grade specifications

Sustainability

  • embodied carbon kg co2e per kg16.5
  • sourceEditorial estimate from ICE / Granta CES EduPack class databases — industry mean, with cradle-to-gate boundary unless otherwise noted. Embodied carbon for any specific product depends on supplier mix, recycled content, and energy grid; verify against a primary source before using these numbers in a sustainability claim.
  • recyclabilitymoderate — mechanical reclaim or compost; mothproofing chemicals limit some paths
  • biodegradableTrue
  • certificationsRWS for component wool
visual
matte, opaque, depth of color in dyed grades, fuzzy edge unless laser-cut
tactile
warm, slightly springy, dense underfingers
weight perception
light to moderate
acoustic
absorbs sound — the hush a felt-lined room produces

PBR starter values

Principled BSDF defaults derived from the sphere fibrous finish. Reasonable seed for Blender, Substance, Keyshot, Rhino — tune per material.

# finish:      fibrous
albedo        #7a7268
metallic      0.00
roughness     0.70
ior           1.45
transmission  0.00
clearcoat     0.00
sheen         0.70
anisotropic   0.50
copy as JSON 
{
  "albedo": "#7a7268",
  "metallic": 0.0,
  "roughness": 0.7,
  "ior": 1.45,
  "transmission": 0.0,
  "clearcoat": 0.0,
  "sheen": 0.7,
  "anisotropic": 0.5
}
Blender 4.x Python 
# Blender 4.x — Principled BSDF
# Industrial Wool Felt · finish: fibrous
import bpy
mat = bpy.data.materials.new(name="mat_felt_wool_industrial")
mat.use_nodes = True
bsdf = mat.node_tree.nodes["Principled BSDF"]
bsdf.inputs["Base Color"].default_value         = (0.1946, 0.1683, 0.1384, 1.0)
bsdf.inputs["Metallic"].default_value           = 0.000
bsdf.inputs["Roughness"].default_value          = 0.700
bsdf.inputs["IOR"].default_value                = 1.450
bsdf.inputs["Transmission Weight"].default_value = 0.000
bsdf.inputs["Coat Weight"].default_value        = 0.000
bsdf.inputs["Sheen Weight"].default_value       = 0.700
bsdf.inputs["Anisotropic"].default_value        = 0.500
KeyShot Python (lux) 
# KeyShot 11+ — lux Python API, Generic material
# Industrial Wool Felt · finish: fibrous
# Run from Window → Scripting Console
import lux
mat = lux.createMaterial(name="mat_felt_wool_industrial", materialType="Generic")
mat.setProperty("diffuse",      (122, 114, 104))   # 8-bit sRGB
mat.setProperty("metallic",     0.000)
mat.setProperty("roughness",    0.700)
mat.setProperty("indexOfRefraction", 1.450)
mat.setProperty("transparency", 0.000)
mat.setProperty("coatingWeight", 0.000)
Substance pbrMetalRough 
{
  "_format": "Substance Designer / Painter \u2014 pbrMetalRough constants",
  "_about": "Industrial Wool Felt \u00b7 finish: fibrous",
  "baseColor": {
    "r": 0.1946,
    "g": 0.1683,
    "b": 0.1384
  },
  "metallic": 0.0,
  "roughness": 0.7,
  "ior": 1.45,
  "opacity": 1.0,
  "anisotropyLevel": 0.5,
  "_notes": "Channels listed are the standard Substance pbrMetalRough output. Drop into a Uniform Color node per channel, or as the constant input on a layered stack."
}
glTF 2.0 Metallic-Roughness 
{
  "asset": {
    "version": "2.0",
    "generator": "ForMatter"
  },
  "materials": [
    {
      "name": "mat_felt_wool_industrial",
      "pbrMetallicRoughness": {
        "baseColorFactor": [
          0.1946,
          0.1683,
          0.1384,
          1.0
        ],
        "metallicFactor": 0.0,
        "roughnessFactor": 0.7
      },
      "extensions": {
        "KHR_materials_ior": {
          "ior": 1.45
        },
        "KHR_materials_sheen": {
          "sheenColorFactor": [
            1.0,
            1.0,
            1.0
          ],
          "sheenRoughnessFactor": 0.7
        }
      }
    }
  ]
}
USD Preview Surface 
# USD Preview Surface — UsdShade.MaterialLook prim attributes
# Industrial Wool Felt · finish: fibrous
def Material "mat_felt_wool_industrial" {
    token outputs:surface.connect = </mat_felt_wool_industrial/PreviewSurface.outputs:surface>

    def Shader "PreviewSurface" {
        uniform token info:id = "UsdPreviewSurface"
        color3f inputs:diffuseColor = (0.1946, 0.1683, 0.1384)
        float   inputs:metallic     = 0.000
        float   inputs:roughness    = 0.700
        float   inputs:ior          = 1.450
        float   inputs:opacity      = 1.000
        float   inputs:clearcoat    = 0.000
        token   outputs:surface
    }
}
↓ download glTF material
ProcessLaser Cutting · Adhesive Bonding
Substitutes
Worsted Wool

Citations