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Hdpe Jars Buy Empty Plastic Bottles .pdf

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Hdpe Jars Buy Empty Plastic Bottles

PBM Company is a Plastic Bottle Manufacturers, Plastic Water Bottle Manufacturers, Custom
Plastic Water Bottles Suppliers, HDPE Bottle Manufacturers, Plastic Bottle Cap Manufacturers

Website: www.plastic-bottle-manufacturers.com
1, PET in the melt rheology better than the effect of pressure on the viscosity temperature is large,
therefore, mainly from pressure to proceed to change the melt flow.
1, since the PET plastics processing macromolecules containing aliphatic group having a certain
hydrophilic, the pellets at high temperatures sensitive to water, when the moisture content exceeds
the limit, in the processing of PET molecular weight decreases, products with color, brittle.
Therefore, before processing the material must be dried, the drying temperature is 150 ℃, more
than 4 hours, usually 170 ℃ , 3-4 hours. Available methods of air-launched test material is
completely dry. The proportion of recycled material is generally not more than 25% recycled
material and should be thoroughly dried.
2, injection molding machines (my company selected the famous German brand Demag) choose
PET because the melting point of stability after a short time, and high melting point, and therefore
the need to use more temperature control section, when plastics from less friction and heat
injection systems and products (including materials outlet) can not be less than the actual weight
of the machine injection volume 2/3.
3, mold and gate design is generally hot runner PET preform molding, injection molds and
machine template between the best insulation panels have a thickness of about 12mm, and
insulation boards must be able to withstand high pressures. Exhaust gas must be sufficient to avoid
local overheating or broken, but the vent depth is generally not more than 0.03mm, or prone to
4, melt temperature measurement method can be used air-launched. 270-295 ℃ range, enhanced
levels GF-PET can be set to 290-315 ℃ and the like.
5, injection speed is generally faster injection, injection to prevent premature solidification. But

excessive shear rate the material brittle. Plunger is usually complete within 4 seconds.
6, back pressure as low as possible, so as not to wear. Generally not more than 100bar. Usually no
need to use.
7. Never use a long residence time residence time, in order to prevent the molecular weight
decreases. Avoid temperatures above 300 ℃. If the shutdown is less than 15 minutes. Only for air
emission treatment; if more than 15 minutes, then use a clean viscosity PE, and the barrel
temperature was lowered to PE temperature until then boot up. PET material for the production of
plastic bottles higher, so the company both in the choice of equipment, or in the staff assessment,
are rigorously screened.
Interesting plastic bottles Activities Intent: With the improvement of people's living standards,
around us more and more garbage, waste materials are everywhere, in the finished exhausted,
often fling trouble, so the more I reflect Features garden, I would like to combine waste plastic
bottles to inspire young children to recycling waste materials to be understanding, but also for
young children environmental education and knowledge of penetration, and we are young children
to protect the environment awareness. Turning waste into treasure can develop children's creative
spirit, inspire children to imagine, combinations, try to experience the fun of creative design.
1, to guide children to learn about plastic bottles may be turning waste into wealth consciousness.
2, the use of plastic bottles and organized sports games handmade activities, give full play to
children's imagination, creativity, and improve the children's interest research. 3, children learn to
use plastic bottles and choose different materials for creative production. Activities to prepare a
large number of plastic bottles, plastic bottles make use of the works, a letter, VCD discs, colored
paper, cardboard, wool, paper cups, caps, cardboard and other various shapes. Marker, colored
pencil, oil pastel, scissors, tape, and so on. Active process play music (open to the car) to drive the
car to the children. First, the initial attempt to use plastic bottles to play the game. We ask the kids
to get off of it, today's teachers would like to share a special toy want to know what?

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