The FFD series of Furan resin for foundry is produced with national machine department standard JB-T1527-1994 and foreign advanced technology and Formula and have the advantages of low free formaldehyde content, weak flavour and high adhesion etc. All of its technological index lead within this field.
Quality Standard (Standard way JB-T1527-1994)
|
|
FFD-103 |
FFD-105 |
FFD-102 |
FFD-104 |
FFD-111 |
FFD-121 |
FFD-131 |
|
Appearance |
Yellow-red clear liquid |
Brown-red semi clear Liquid |
Yellow thicky liquid |
|
Density
(20℃) g/cm3 |
1.10-1.20 |
1.10-1.20 |
1.10-1.20 |
1.10-1.20 |
1.15-1.25 |
1.15-1.25 |
1.15-1.30 |
|
Viscosity
(20℃)mpa.s |
≤15-20 |
≤20-30 |
≤15-20 |
≤20-30 |
≤20-50 |
≤30-80 |
≤50-800 |
|
PH value |
7.0±0.5 |
7.0±0.5 |
7.0±0.5 |
7.0±0.5 |
7.0±0.5 |
7.0±0.5 |
7.0±0.5 |
|
free-formaldelyde % |
≤0.05-0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.2 |
≤0.3 |
|
Nitrogen % |
0.5-2.0 |
3.0-4.0 |
0 |
2.5-3.0 |
1.8 |
≤4.0 |
10-12 |
|
24hr. tensile strength Mpa ≥ (Only for reference) |
1.5 |
1.5 |
1.2 |
1.5 |
1.2 |
1.0 |
0.8 |
|
Storage time |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
|
Aplication |
Iron steel and ductile iron castings |
Iron graphite
iron castings |
steel and high-alloy castings |
Alloy castings |
Iron and steel castings |
Iron castings |
Iron and nonferrous metal castings |
Strength test condition: Use China Dalin Standard sand, Indoor degree of humidity 30-70%, Join Resin 1.5% to Sand.
