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UREA FORMALDEHYDE MOULDING COMPOUNDS
(GB 13454-92)
|
No |
Item |
Unit |
UF1P |
Test method |
|
1 |
Appearance |
Smooth & brilliant |
||
|
2 |
Boiling water resistance |
After 0.5 h in boiling water, No paste, slight fade and fold allowed. |
GB 13454 |
|
|
3 |
Specific gravity |
d25≤ 25, |
1.6 |
GB 1033 |
|
4 |
Specific volume |
ml/g, ≤ |
3 |
|
|
5 |
Volatile matter |
％，≤ |
4 |
GB 13455 |
|
6 |
Water absorption (cold) |
mg, ≤ |
100 |
GB 1034 |
|
7 |
Molded Shrinkage |
％ |
0.60~1.00 |
GB 13454 |
|
8 |
Deflection temp |
℃, ≥ |
115 |
GB 1634 |
|
9 |
Flow ( Raschig ) |
mm |
140~200 |
GB 13454 |
|
10 |
Impact strength (notched) |
KJ/m2,≥ |
1.8 |
GB 1043 |
|
11 |
Flexural strength |
M Pa, ≥ |
80 |
GB 9341 |
|
12 |
Insulation resistance after 24h in water |
MΩ，≥ |
104 |
GB 1410 |
|
13 |
Electric strength |
MV/m,≥ |
9.0 |
GB 1408 |
|
14 |
Incandescence resistance |
Grand |
I |
GB 2407 |
Standard molding conditions
|
Mold temperature |
℃ |
140~150 |
|
Molding pressure |
M Pa |
25~40 |
|
Curing time |
min/mm |
0.5~1.0 |
Package: Plastic knitting bag with inner thin film bag of one or two layers.
Storage: Stored in dry and cool room with ventilation.
Storage period: six months from the date when the product is manufactured. It exceed limit, test should be undertaken. It can be used if test shows good.
Transportation: Avoid moisture, heat, dirt and damage.
Usage：
a, Spares of electrical appliance: switch, fittings, sockets, shell of electrical appliances.
b, Machinery spares: knob, handle spares of spinning machine, instrument shell, clock-shell.
c, Ornament: imitation pearl, button, pin.
d, Vessel: all kinds of commercial bottles, box and cover.
e, Others: toy, Mahjong pieces, chess, ashtray, ball cover of closs tool.