SR High Speed PVC Insulating Compound

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Shanghai
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3000 Tons kg/month
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SR High Speed PVCInsulating Compound

I.                  Type andapplication

Type

Product

Application  and Cable Specification

2701N

70℃  PVC insulating compound

PVC insulating compound for programmable  exchanger wires. The extrude speed could be more than 1200m/min

2801N

80℃PVC  insulating compound

PVC insulating compound for programmable  exchanger wires. The extrude speed could be more than 1200m/min

5801N-SR-1

80℃semi-hard  PVC insulating compound

Applied to jumper wire of BT net 7000,  8000 and 9000 as insulation.

5801N-SR

80℃semi-hard  PVC insulating compound

UL80℃semi-hard  PVC as insulation.

II.               Productdescription

High speedPVC insulating compound for programmable exchanger wires, based onPVC resin, is made into granula by mixing, plastification and granulation withadding plasticizer, stabilizing agent, lubricant, modifying agent and etc.

III.            Processing

It is recommended that compound should beprocessed with common extruder having a minimum L/D ratio of 20.

The following temperature(℃) profile of extruder is recommended:

Zone

Zone 1

Zone 2

Zone 3

Zone 4

Head

Die

Temperature  

150

165

175

180

180

175

IV.             Storageand transport

Packaging:25kg/bag,PE membrane inside bag and Kraft outside bag.

Storage and transport: Avoiding in directsunlight and weathering. The storage place should be in clean, cool, dry, andventilated conditions.

V.                Properties

Table

Item

Unit

Standard Value

2701N

2801N

5801N-SR-1

5801N-SR

Tensile Strength

≥ MPa

18.0

18.0

30.0

24.0

Elongation at Break

≥   %

150

150

100

150

Impact Brittleness Temperature

 

-15

-10

Volume Resistivity, at 20

≥Ωm

1.0×1012

1.0×1012

1.0×1012

1.0×1011

Volume Resistivity, at 70

≥Ωm

1.0×109

1.0×1010

Dielectric Strength

≥ MV/m

22

22

20

20

Thermal Stability Time

at 200

≥  min

60

80

120

80

Hot Deformation

≤   %

40

40

40

40

Thermal Aging

Aging Temperature

100±2

120±2

80±2

113±1

Aging Time

h

168

168

168

168

Tensile Strength after aging

≥ MPa

18.0

18.0

Variation on Tensile Strength

  %

±20

±20

≥80

≥80

Elongation at Break after aging

≥   %

150

150

Variation on Elongation at Break

  %

±20

±20

≥80

≥75

Loss of Mass after aging

≤  g/m2

20

20

10


Q:How can you increase the hardness of PE plastics?
Use of polyethylene plastic stiffening agent. The chemistry and physics of the special effect, in the use of a small amount of conditions, can effectively increase the PE plastic, including LDPE, HDPE, PE flame retardant PE, mineral filler and reclaimed PE plastic hardness, flexural modulus and mechanical properties, suitable for various molding process and plastic products such as pipe, sheet, injection molding products, the use of convenience, safety and environmental protection, by Ma'anshan Keli chemical technology development and production company. In addition, there are ABS plastic reinforced agent and PP plastic reinforced rigid agent and so on. They have the same function.
Q:
Yes, there are specific regulations and guidelines for using olive nets. These regulations may vary depending on the country or region, but generally, they focus on ensuring the proper installation, maintenance, and removal of nets to minimize potential harm to olive trees and the environment. Guidelines may include using nets made of materials that do not damage the trees, ensuring proper tension to avoid entanglement of wildlife, and adhering to specific timeframes for net installation and removal to prevent damage to the trees. It is essential for olive growers to familiarize themselves with the specific regulations and guidelines applicable to their location to ensure responsible and sustainable olive net usage.
Q:
The time it takes to install an olive net can vary depending on the size of the area, the number of trees, and the proficiency of the individuals performing the installation. On average, it can take a few hours to a full day to install an olive net properly.
Q:
An olive net can positively affect the overall nutrient management in an olive grove by protecting the fallen olives from being contaminated by soil and debris. This helps to preserve the quality of the olives and reduce the risk of nutrient loss through leaching or decomposition. Additionally, the net can also prevent birds and other animals from consuming the olives, ensuring that all the nutrients remain within the grove and are available for the trees' growth and development.
Q:
One way to prevent olive nets from causing damage to surrounding vegetation or wildlife is by using properly designed and installed nets. These nets should have a fine mesh size that prevents small animals or birds from getting entangled and should be securely fastened to avoid them being blown off by wind or causing any unintentional harm. Additionally, regular monitoring and maintenance of the nets can help identify any potential issues or damages, allowing for timely repairs or adjustments to minimize any negative impact on the surrounding environment.
Q:
No, olive nets are primarily used for harvesting olives and protecting the fruit from birds, not for soil moisture control.
Q:
To remove an olive net after harvest, start by carefully detaching the net from any surrounding structures or supports. Next, gently lift the net, ensuring that no olives or debris are caught underneath. Slowly roll up the net, being cautious not to damage the olives or branches, and secure it with ties or clips. Finally, store the net in a dry and clean area until the next harvest season.
Q:
The average lifespan of an olive tree is typically between 500 to 600 years.
Q:
Olive nets prevent olive fly infestation by acting as a physical barrier that prevents the flies from reaching the olive fruits. The nets are placed over the olive trees to cover the entire canopy, effectively blocking the access of the flies to the fruits. This reduces the chances of the flies laying their eggs on the olives and prevents damage and infestation.
Q:What is the role of calcium carbonate in plastics?
Improving the dimensional stability of plastic productsThe addition of calcium carbonate plays a skeleton role in plastic products, and has a great effect on the stability of plastic product size.

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