| Phenolic moulding compound Series
“Hongguang” brand thermosetting plastic molding compound of phenolic which exhibits good flammable resistance, arc & high heat resistance, pressure resistance, high insulation resistance, good appearance, high safety and reliability, Which are widely used in molding electrical appliance and household appliance. It can be molded by compression or injection.
The qualities are complying with GB1404-1995.It has obtained the certificate of ISO9002, HG-6431J and HG-6061J are authorized to use the UL symbol.
Product model number:
Phenolic Molding Compound Specifications
STANDARD OF MOULDING CONDITION
(Compression Moulding)
|
Preheating temperature |
90-120℃ |
Mold temperature |
150-180℃ |
Molding pressure |
150-300kgf/cm2 |
|
Packing: In compound paper bag line with plastic bag or fiber bag line with plastic bag, each bag for 25kgs; 20 meteric tons loaded in 1X20’ FT container.
Storage: In a cool and dry place, keeping away from fire, heating and sunshine. The temperature must be under 35℃. The storage life for one year.
Transportation:
The products should avoid damp, heat, and breakage during transportation.
|
Phenolic Molding Compound Specifications (Injection Types)
STANDARD OF MOULDING CONDITION
(Injection Moulding )
|
Flow |
Weight (g)/ Shot |
Mould Temperature |
Cylinder temperature |
Screw revolution |
Front |
Rear |
Stiff-medium |
Under 300 |
160-180℃ |
85-95℃ |
60-80℃ |
40-60rpm |
Soft |
Above 300 |
165-190℃ |
85-95℃ |
55-75℃ |
40-60rpm |
|
Packing: In compound paper bag line with plastic bag or fiber bag line with plastic bag, each bag for 25kgs; 20 meteric tons loaded in 1X20’ FT container.
Storage: In a cool and dry place, keeping away from fire, heating and sunshine. The temperature must be under 35℃. The storage life for one year.
Transportation:
The products should avoid damp, heat, and breakage during transportation.
|
For maldehyde
Category:
Basic Organic Chemicals
Specification:
Standard:GB/T 9009-1988 |
Item |
Index |
Excellent Products |
Top Grade Products |
Qualified Products |
Density (p20) ,g/cm3 |
1.075-1.114 |
Formaldehyde content,% |
37.0-37.4 |
36.7-37.4 |
36.5-37.4 |
Acid value (by formic acid),% max |
0.02 |
0.047 |
0.05 |
chroma, Hazen unit (platinum-cobalt Nuber) max |
10 |
- |
Iron content,% max |
0.001 |
0.0003(Tank packed) |
0.0005(Tank packed) |
|
0.0010(Pail packed) |
0.0010(Pail packed) |
Methanol content,% |
|
Negotiable |
|
Molecular Formula:HCHO
Relative molecular mass:30.03(by 1995 international relative atomic mass)
Applications:
This standard is suitable for the industrial formaldehyde solution made by Methanol oxidation process. It is widely used in medicine, synthetic fiber synthetic resin,plastic preservative and reducing agent.
Storage
In well-ventilated and dry places, in a suitable temperature of 12-25℃ ,and it must not be stored in a temperature below 10℃ to avoid polymerization.
Packaging
Packed in zinc-plated drums or in tanks, with net weight of 200kg for each drum..
Appearance:
It is clear liquid without suspending matters. There is white cloudiness at low temperature. |
If there is any other colour required, It can be produced accordingly.
Packing: in fiber bags/ compound paper bags, net weight for 25kgs per bag.
Storage: in a cool and dry place, keeping away from fire and heating or shinning, storage life for one year |