Material data sheet for Furan-Direct-Binding (FDB) …...Molding material Type Medium grain size...

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Molding material Type Medium grain size (µm) Application Loss on ignition (weight %) Layer thickness (µm) Bending strength (N/cm²) Gas permeability Material data sheet for Furan-Direct-Binding ( FDB ) sand molds MOLDING MATERIALS TECHNICAL DATA FOR SAND MOLDS MATERIAL DATA SHEET FURAN DIRECT BINDING (FDB) SAND MOLDS Build platform Molding material Binder-type Binder-content Layer thickness Accuracy Bending strength 4,000 x 2,000 x 1,000 mm Silica sand of different grain size Cold hardening furan resin adjustable, standard 1,2 % 300 – 400 µm; standard 300 µm + 0,1 % (min. + 1,5* layer thickness) From 220 N/cm² (depending on sand and/or binder used) MATERIAL DATA SHEET FURAN-DIRECT- BINDING (FDB) Silica sand GS 14 140 Molds and cores with high surface requirements ≤ 1.9 300 ≥ 220 ≥ 80 GS 19 190 Cores with highest gas permeability ≤ 1.9 300/400 ≥ 220 ≥ 180 GS 25 250 Cores with highest gas permeability ≤ 1.9 300 ≥ 250 ≥ 300 Cerabeads Cerabeads 200 High thermal resistance, low thermal extension, good packag- ing, good strength and surface, alternative to Chromite, Kerphal- ite or Zircone ≤ 1.5 300 ≥ 300 ≥ 150

Transcript of Material data sheet for Furan-Direct-Binding (FDB) …...Molding material Type Medium grain size...

Page 1: Material data sheet for Furan-Direct-Binding (FDB) …...Molding material Type Medium grain size (µm) Application Loss on ignition (weight %) Layer thickness (µm) Bending strength

Molding materialTypeMedium grain size (µm)Application

Loss on ignition (weight %)Layer thickness (µm)Bending strength (N/cm²)Gas permeability

Material data sheet for Furan-Direct-Binding (FDB) sand moldsMOLDING MATERIALS

TECHNICAL DATA FOR SAND MOLDSM

ATER

IAL

DAT

A S

HEE

T

FURA

N D

IREC

T BI

ND

ING

(FD

B) S

AN

D M

OLD

S

Build platformMolding materialBinder-type Binder-content Layer thicknessAccuracyBending strength

4,000 x 2,000 x 1,000 mmSilica sand of different grain sizeCold hardening furan resinadjustable, standard 1,2 %300 – 400 µm; standard 300 µm+ 0,1 % (min. + 1,5* layer thickness)From 220 N/cm² (depending on sand and/or binder used)

MATERIAL DATA SHEET FURAN-DIRECT- BINDING (FDB)

Silica sandGS 14140Molds and cores with high surfacerequirements

≤ 1.9300≥ 220≥ 80

GS 19190Cores with highest gas permeability

≤ 1.9300/400≥ 220≥ 180

GS 25250Cores with highest gas permeability

≤ 1.9300≥ 250≥ 300

CerabeadsCerabeads200High thermal resistance, low thermal extension, good packag-ing, good strength and surface, alternative to Chromite, Kerphal-ite or Zircone≤ 1.5300≥ 300≥ 150

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