LDPE Factory Supplies/ Pure Low Density Polyethylene Price

Min.Order: 1

Product origin: Xingtai, Hebei, China

Infringement complaint:

Complaint

US$ 700 ~ 1300

Description

1.PRODUCT DESCRIPTION

LDPE (low density polyethylene)
is the lightest kind of polyethylene resin. It has good softness, extensibility, electrical
insulation, transparency, easy processing and certain air permeability. It has good chemical stability, alkali resistance and
general organic solvent resistance.
Grade: Film
HDPE used for packaging film, rope, woven bags, fishing nets, water pipe; Injection moulding lowgrade commodity and shell, the
load bearing components of glue box, turnover box;
1. HDPE Film grade is widely used in the production of packing bag, film etc.
2. Blow Molding grade is for making various bottles, cans, tanks , barrels.
3. Injection Molding grade is for making food cases, plastic trays, goods container
PP Features
1. The relative density is small, only 0.89-0.91, which is one of the lightest varieties in plastics.
2, good mechanical properties, in addition to impact resistance, other mechanical properties are better than polyethylene, molding processing performance is good.
3. It has high heat resistance and the continuous use temperature can reach 110-120 °C.
4, good chemical properties, almost no water absorption, and does not react with most chemicals.
5, the texture is pure, non-toxic.
6, electrical insulation is good.

2.PRODUCT PARAMETERS

Melt temperature: 220-280ºC

Constant temperature of barrel: 220ºC Mold temperature: 20-70ºC

Injection pressure: with good flow performance, avoid using too high injection pressure 80-140mpa (800-1400bar); Some thin-walled containers can reach 180MPa (1800bar).

Pressure retaining pressure: to avoid shrinkage of the product, it takes a long time to preserve the pressure of the product (about 30% of the cycle time); About 30% to 60% of the injection pressure. Back pressure: 5-20 mpa (50-200bar).

Injection speed: high injection speed (with accumulator) is required for thin-walled packaging containers; Medium injection speed is often more suitable for other types of plastic products.

Screw speed: High screw speed (linear speed of 1.3m/s) is allowed as long as the plasticizing process is completed before the end of the cooling time. Measuring stroke: 0.5-4D (minimum to maximum); It is important that the 4-d metering stroke provides sufficient residence time for the melt. Ok.

Pre-drying: not required; Storage conditions are not good, drying at 80ºC for 1h can be.

Recovery rate: 100% recovery.

Shrinkage rate: 1.2-2.5%; High degree of contraction; Will not shrink after 24h (after molding)

Gate system: point burning or multi-point burning, heating type hot runner, heat preservation type hot runner, inner burning sleeve; The position of the nozzle is at the thickest point of the product, otherwise large shrinkage is easy to occur.

Barrel equipment: standard screw, standard use of three-section screw; For packaging and container products, mixing section and cutting section have special geometry (L:D=25:1), straight-through nozzle, check valve.

Machine downtime: no need to use other materials for special cleaning

3.PACKING DETAILS
25kg/ carton or 25kg/bag, or per your requirement

25kgs net weight in PP woven or PE plastic bag about 20 tons for 20" container

4.Application:

1.Fiber ( Carpet, Textiles, Upholstery, etc.)
2.Film ( shopping bags, casting film, multilayer film, etc.)
3.Blow Molding ( Medical & Cosmetic container, Lubricant & Paint container, etc)
4.Extrusion Molding ( Sheet, Pipe, Wire & Cable, etc.)
5.Injection Molding ( Automotive, Electronic, Construction, House wares, Furniture,
Toys, etc.)

F&Q

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