PVC
List of Plastic Material
List of Elastomer & Rubber
List of Metal Material
Price
$$$$$
Strength
Durability, chemical resistance, lightweight, and low cost
Weakness
Vulnerability to high temperatures, not biodegradable, easily brittle
Common Application
Gears, pumps and pump impellers, fan and blower blades, automotive switches, electrical switch components, buttons, knobs
| Property | Plasticized (Flexible) PVC | Unplasticized (Rigid) PVC |
|---|---|---|
| Density | 1.3 - 1.7 g/cm³ | 1.35 - 1.5 g/cm³ |
| Shore Hardness D | 15-70 | 65-90 |
| Min Temp. Air | -40~-5°C | -10~1°C |
| Max Temp. Air | 50-80 °C | 50-80 °C |
| Flammabilitiy, UL94 | HB | V0 |
| Elongation at Break | 100-400% | 25-80% |
Pros and Cons of Flexible PVC & Rigid PVC
| Strength | Weakness | |
|---|---|---|
| Flexible PVC |
1. Bend and flex without breaking;
2. Resistant to impact and abrasion. |
1. Lower mechanical strength and dimensional stability;
2. Prone to plasticizer migration |
| Rigid PVC |
1. Higher mechanical strength;
2. Dimensional stability. |
1. Lacks the flexibility and impact resistance;
2. Pprone to cracking under certain conditions |
*Please Note: Material properties are for reference only and may vary by brand.
How Additives Improve PVC Properties？
PVC can be modified to enhance its properties or adapt it to specific applications with injection molded pvc, When adding additives to PVC, it’s essential to consider their compatibility and potential impact on the material’s properties.
- Plasticizers can increase its flexibility and resilience.
- Impact modifiers improves the impact resistance of PVC, reducing its tendency to fracture or shatter.
- Stabilizers can prevent degradation caused by heat, light, or chemical exposure.
- Flame retardant additives in PVC formulations improves its fire resistance
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Is PVC material recyclable?
PVC is recyclable. Mechanical recycling is the most common method for recycling PVC, where the material is ground into small pieces and then melted to form new products. However, PVC recycling rates are relatively low compared to other plastics.
Is PVC material toxic?
PVC itself is not inherently toxic, but certain additives used in PVC production, such as plasticizers and stabilizers, can pose health risks. However, stringent regulations and proper handling can mitigate these risks.
Can PVC be used for outdoor applications?
PVC is commonly used for outdoor applications due to its durability, weather resistance, and low maintenance requirements. PVC products such as pipes, siding, window frames, and decking are often used in outdoor construction and infrastructure projects.
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