- PID
- 3100020
PP pellet, Plastic Resin PP, PolyPropylene
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Detailed Description
⊙ Features
① Specific gravity of PP is low with less than 0.9 and it is transparent and its crystallization is 95%.
② It is used as a molding material by its hardness.
③ At high temperatures, it shows high impact-resistance while at low temperatures below -5 ℃, it needs grades with high impact-resistance.
④ It retains heat-proof with high anti-abrasion.
⑤ Water and air cannot permeate PP films.
⑥ It has high electric features, water-proof and anti-chemicals.
⑦ When combusted, it smells petrol and loses its adhesive and printable properties.
⑧ It deteriorates gradually by sunshine and heat.
⊙ Applications
① Daily Life Products: Home Sink Appliances, Bath Tubs, Transparent Packaging Films
② Electricity-Related: TV, Radio Cases, Table Tops, Home Electronics Cases
③ Cords: Oriented Monofilament, Bands, Straps, Ropes
? Automobile Parts: Bumpers, Machine Parts, Doors, Pipes, Seats, Fabrics, etc
⊙ Handling Instructions
① When PP is used at low temperatures, low-temperature grades should be used.
② Not so high anti-corrosion, it is not suitable for outdoor or window frames, etc.
③ Its crystallization is quite good and modest temperatures are enough for hot sealing
⊙ Typical Properties
|
Classification |
Standard |
Anti-Shock |
Biaxial Oriented Film |
Inflation Film |
|
Specific Gravity |
0.90 |
1.04 |
0.09 |
0.89 |
|
Tensile Strength(㎏/㎠) |
350 |
260 |
1,600 |
500 |
|
Tensile Elongation(%) |
600 |
500 |
60 |
600 |
|
Tensile Modulus(㎏/㎠) |
- |
- |
13,000 |
6,500 |
|
Impact Strength(㎏·㎝/㎝) |
4 |
20 |
- |
- |
|
3 |
11 |
- |
- |
|
|
Hardness(Rockwell R) |
95 |
82 |
- |
- |
|
Thermal Deflection Temperature(℃) |
115 |
100 |
- |
- |
|
Tearing Strength(㎏/㎝)Length |
- |
- |
5 |
10 |
|
(Elmendorf)Width |
- |
- |
3 |
30 |
|
High Potential Voltage(㎸/㎜) |
30 |
30 |
30 |
30 |
|
Absorption Rate(%) |
0.03 and less |
0.03 and less |
0.03 and less |
0.03 and less |
|
Melting Point(℃) |
167 |
165 |
- |
- |
|
Shrinkage Rate률(%) |
1.6 |
1.8 |
- |
- |
|
Anti-Abrasion(Taper)(㎎) |
20 |
17 |
- |
- |
|
Abrasion Coefficient |
- |
- |
0.4 |
0.2 |
⊙ Processing Conditions
|
Classification |
HOMOPOLYMER |
COPOLYMER |
GF40% |
||
|
Molding Methods |
injection |
extrude |
injection |
extrude |
injection |
|
Molding Temperatures |
205~290 |
205~260 |
205~290 |
205~260 |
260~290 |
|
Molding Pressures(㎏/㎠) |
700~1,400 |
700~1,400 |
700~1,700 |
||
|
Molding Shrinkage(㎝/㎝) |
0.02-0.025 |
0.02~0.025 |
|||
