Ductile Iron Pipe Protection Sleeve

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Specification

1. Product produced according to ISO8180

2. Thiciness 200um, 400um and other thickness is available upon request

3. Black color, other color is available upon request

4. Corbon black content 2-3

5. Puncture Resistance ≥900

6. Breack strength ≥20

7. Breack elongation ≥500

8. Tear resistance ≥20

Usage:

For Ductile iron pipe DN80-DN2000.

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Q:What does "stress hardening" of plastic molding mean?
Plastic stress hardening phenomenon, refers to the plastic molding process, with the orientation of the increase of intermolecular forces increased, causing the polymer viscosity, the polymer showed "hardening" tendency, the deformation tends to be stable and no development. This phenomenon of orientation process becomes "stress hardening"".
Q:Scope and characteristics of plastics No. 7
Pay special attention to the use of this plastic container. Bisphenol A residues in PC, the higher the temperature, the faster speed of release. Therefore, hot water should not be used in PC bottles. If your kettle number is 07, the following methods can reduce the risk: do not heat when using, do not direct in the sun. Don't use a dishwasher and a bowl machine to clean the kettle. Before using for the first time, rinse with baking soda and warm water and dry naturally at room temperature. If the container has any falls or breakage, it is recommended not to use it because the surface of the plastic is prone to contain bacteria if there are fine pits. Avoid repeated use of aged plastic appliances
Q:What are the shapes of plastic parts?
The die structure of the side parting and core pulling mechanism not only improves the design and manufacture cost of the die, but also leaves the flying edge on the parting surface, thus increasing the amount of post processing work. The die structure can be simplified if some plastic parts are changed properly so that the lateral core pulling mechanism can be avoided.
Q:What are the main features of plastics?
Some plastic as hard as stone, steel, such as paper, some soft leather; from the plastic hardness, tensile strength, elongation and impact strength and other mechanical properties, wide distribution, great use of choice. Because of the small proportion and high strength of plastics, they have higher specific strength. Compared with other materials, plastics also have obvious disadvantages, such as easy combustion, poor stiffness, high metal resistance, poor aging resistance, and non thermal resistance.
Q:Does high strength polyurethane belong to plastics?
But now there are some materials that are both plastic and rubber, and it's difficult to identify which category, such as TPO, TPV, elastomer nylon (material for car tires)
Q:Is there a difference between recycled plastics and new ones?
PS: after regeneration, the color becomes yellow, so the recycled polystyrene is usually painted. The degradation degree of recycled material is proportional to the number of times of regeneration, and the fracture strength has no obvious change when the amount of admixture is less than 60%, and the limit viscosity has no obvious change when the amount of admixture is less than 40%.
Q:How do you glue a broken plastic basin?
Find you a soft plastic, burn it, drop the drop of plastic in the dew place!!
Q:The concept, classification and distinction of modified plastics and plastic raw materials.
Classification: modified plastic products are mainly a variety of flame retardant resins, toughening resin, plastic alloy, functional masterbatch etc..
Q:What are the advantages and disadvantages of plastic wallpaper?
Easy to paste, plastic wallpaper than other types of the wallpaper paste is more convenient, the plastic paper base wallpaper with the ordinary 107 adhesive agent or emulsion paste can turn white, not only has the advantages of simple construction and good air permeability, convenient replacement; plastic wallpaper wet state strength is also good, can be directly adhered to also not dry on the wall, also won't cause appeared, peeling of the drum.
Q:How to remedy plastic deformation?
Quality solutionsIn general family conditions, basically impossible to recover the original shape. Because the plastic in the thermal deformation, because after cooling contraction may not according to the original look, we know that the sheet metal after heating cooling becomes uneven, you repeat heating and cooling, it is impossible change back to the original flat state.

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