ForMatter/Materials/wood/Baltic Birch Plywood
mat_birch_baltic

Baltic Birch Plywood

engineered hardwood plywood, void-free · Baltic birch, Russian birch ply, BB/BB grade plywood
highlast updated 2026-04-26

The plywood of the design school: thin layers of birch glued cross-grain into sheets that are stiff, flat, and void-free. Cuts cleanly on a CNC or laser, exposes a striped edge that's become an aesthetic in its own right. The standard for furniture prototypes, jigs, and visible-edge architectural work.

All-birch-veneer plywood (no fillers, no softwood core layers) bonded with phenolic or urea-formaldehyde resin. Standard sheet 1525×1525 mm in metric thickness 4–24 mm. Void-free core makes screw and edge-machining reliable. Origin Baltic states (Latvia, Estonia, Finland) historically; supply has been disrupted post-2022 sanctions.

Mechanical

  • density · kg/m³680
  • modulus of elasticity · GPa10.0
  • modulus of rupture · MPa75
source: manufacturer datasheets (Latvijas Finieris, UPM)

Sustainability

  • embodied carbon · kg CO₂e/kg0.85
  • recyclabilitymoderate — wood content is biodegradable but adhesive content limits clean reuse; chip and reuse as particleboard feedstock common
  • biodegradableTrue
  • certificationsFSC, PEFC, CARB Phase 2 (formaldehyde emissions)
  • localityhistorically Baltic states; since 2022 sanctions, supply tightened — Finnish, Polish, and Chinese mills filling the gap with mixed quality
source: Editorial 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.
visual
pale yellow face veneer, characteristic striped edge of alternating veneer plies
tactile
smooth face, slightly fuzzy edge until sanded
weight perception
moderate
acoustic
drum-like tap, especially on thinner sheets

PBR starter values

finish · woodgrain — open for table, JSON, host snippets, downloads

Principled BSDF defaults derived from the sphere woodgrain finish. Reasonable seed for Blender, Substance, Keyshot, Rhino — tune per material. Or grab the whole library at once: ForMaterials library →

# finish:                   woodgrain
albedo                      #dcc098
metallic                    0.00
roughness                   0.60
ior                         1.45
transmission                0.00
clearcoat                   0.00
sheen                       0.00
anisotropic                 0.60
copy as JSON 
{
  "albedo": "#dcc098",
  "metallic": 0.0,
  "roughness": 0.6,
  "ior": 1.45,
  "transmission": 0.0,
  "clearcoat": 0.0,
  "sheen": 0.0,
  "anisotropic": 0.6
}
Blender 4.x Python 
# Blender 4.x — Principled BSDF
# Baltic Birch Plywood · finish: woodgrain
import bpy
mat = bpy.data.materials.new(name="mat_birch_baltic")
mat.use_nodes = True
bsdf = mat.node_tree.nodes["Principled BSDF"]
bsdf.inputs["Base Color"].default_value         = (0.7157, 0.5271, 0.314, 1.0)
bsdf.inputs["Metallic"].default_value           = 0.000
bsdf.inputs["Roughness"].default_value          = 0.600
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       = 0.000
bsdf.inputs["Anisotropic"].default_value        = 0.600
KeyShot Python (lux) 
# KeyShot 11+ — lux Python API, Generic material
# Baltic Birch Plywood · finish: woodgrain
# Run from Window → Scripting Console
import lux
mat = lux.createMaterial(name="mat_birch_baltic", materialType="Generic")
mat.setProperty("diffuse",      (220, 192, 152))   # 8-bit sRGB
mat.setProperty("metallic",     0.000)
mat.setProperty("roughness",    0.600)
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": "Baltic Birch Plywood \u00b7 finish: woodgrain",
  "baseColor": {
    "r": 0.7157,
    "g": 0.5271,
    "b": 0.314
  },
  "metallic": 0.0,
  "roughness": 0.6,
  "ior": 1.45,
  "opacity": 1.0,
  "anisotropyLevel": 0.6,
  "_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_birch_baltic",
      "pbrMetallicRoughness": {
        "baseColorFactor": [
          0.7157,
          0.5271,
          0.314,
          1.0
        ],
        "metallicFactor": 0.0,
        "roughnessFactor": 0.6
      },
      "extensions": {
        "KHR_materials_ior": {
          "ior": 1.45
        }
      }
    }
  ]
}
USD Preview Surface 
# USD Preview Surface — UsdShade.MaterialLook prim attributes
# Baltic Birch Plywood · finish: woodgrain
def Material "mat_birch_baltic" {
    token outputs:surface.connect = </mat_birch_baltic/PreviewSurface.outputs:surface>

    def Shader "PreviewSurface" {
        uniform token info:id = "UsdPreviewSurface"
        color3f inputs:diffuseColor = (0.7157, 0.5271, 0.314)
        float   inputs:metallic     = 0.000
        float   inputs:roughness    = 0.600
        float   inputs:ior          = 1.450
        float   inputs:opacity      = 1.000
        float   inputs:clearcoat    = 0.000
        token   outputs:surface
    }
}
↓ download glTF material

CNC milling on swarf

surface speed (carbide)1500–3000
chipload per tooth10–20 (1/4-inch 2-flute upcut; downcut for clean top edge on visible faces)
coolantdust collection mandatory
swarf-compatible toolsend 1/8end 1/4end 3/8ball 1/4ball 3/8vee 1/8drill 1/8drill 1/4

Premium prototyping plywood — denser plies, fewer voids, cleaner edges than construction-grade. Routs near the limits of soft hardwoods. Use the vee tool for engraved typography (signage, labels); use ball mills for furniture-grade surfaces.

Onsrud Cutter plywood / hardwood feeds & speeds; commonly cited industry feeds for Russian / Baltic birch ply.

→ try this material in swarf
ProcessCNC Milling · Laser Cutting · Adhesive Bonding
Used inChair · Prototype / Concept Model
Substitutes
White Oak (Quercus alba)
Eastern White Pine (Pinus strobus)
Laminated Bamboo
Finishes that suit this material
Hard wax oil (Osmo / Rubio Monocoat) · satin
Polyurethane varnish · polished

Second life

repairabilitymoderate — patch-and-fill techniques work; ply-edge cleanliness is the premium feature, and damaged edges are visible.
recyclabilitylow — phenolic-bonded plies preclude wood recycling.
disposal pathconstruction debris.
typical longevity40 years (typical)
failure modes
  • edge-water ingress causing delamination
  • face-ply UV degradation outdoors
  • screw-edge stripping in furniture joints under sustained load

USDA Forest Products Lab plywood section; commonly-cited Russian / Baltic birch ply industry specifications.

Citations