plastic injection for Pet product In the process of filling the mold cavity of TPE products, if the filling performance of the product is not good, the pressure drop will be too large, the filling time will be long, and the filling will be unsatisfactory, which will cause the product to have quality problems. Let me share with you some things that need to be paid attention to in the TPE molding process. TPE injection molding The matters needing attention in the TPE molding process are as follows: Coloring: The color masterbatch carrier should be compatible with the selected TPE material. For SBS-based TPE, PS or EVA-based colors are more appropriate, while SEBS-based TPEs use PE or PP-based colors. The color is more suitable, the color with EVA as the base has poor thermal stability, and the color with PVC as the base cannot be used for TPE. In order to make the dispersion process easier, the color masterbatch should have a lower viscosity than the basic TPE composite material ( higher melt flow index). For many overmolding materials, the use of a polyethylene (PE) carrier may adversely affect adhesion, and if the wax content in the color masterbatch is high, adhesion may also be reduced. Shrinkage rate: The shrinkage rate of TPE material depends on the formula. In the range of 0.5-2%, the shrinkage rate of the melt flowing into the mold in the reverse direction will be higher. Generally speaking, the shrinkage rate of SBS is smaller, while that of SEBS is smaller. The shrinkage rate of materials with higher density will be slightly larger than that of materials with lower density. In addition, processing conditions such as mold temperature, melt temperature, injection speed and product thickness will affect the product shrinkage rate. Drying: TPE generally does not have hygroscopicity and does not need to be dried. However, excessive moisture in the secondary injection molding material or matrix will have an adverse effect on the adhesion. For varieties that need to be dried, the moisture content is required to be 0.1. %the following. Cooling time: The required cooling time depends on the melt temperature, the wall thickness of the workpiece and the melt index of the material. Harder varieties set faster than softer varieties and are easier to demould. Due to the poor thermal conductivity of the plastic matrix, the TPE can only be cooled from one side, so the overmolded workpiece needs a longer time to cool. The cooling time required for an overmolded workpiece is typically 20-40 seconds per 0.100" of overmolded layer thickness.
Mould Base Standard: LKMBrand,Hasco,DME etc; Cavity/Core Material: S136,P20; Cavity Qty: 1-96 cavities; Gate: Pneumatic pin-point valve gate with shut-off&free-cut or tail or long tail. Cooling System: Spiral independent cooling system for each single core,cavity and valve gate.
We have plastic injection molding machine for Sale Please follow the specifications : Model Year : JUNE 2017 Clamp Tonnage : 10800 KN MODEL NO. : IA10800II POWER : 181.8 KW POWER SUPPLY: 380 V, 60Hz
We customize plastic injection mold with standard mold base per customers' requirements. Mold base steel, cavity, runner can be customized.
china factory manufacture high quality customized plastic injection mould for household commodity Pet bowl Related Products Our factory can design and manufacture high quality customized plastic injection mould for all sort of Household Daily Commodity products like: Cup lid Bottle cap, Fork spoon, Pet bowl, lunch box, Chilled lunch box, Microwave oven lunch box, Children's stool, Storage box, Toilet lid, bucket basin, Coat hanger, Wine bottle opener, umbrella, Tool carrier, stool, piggy bank...etc.
2Lians Recycling Pte Ltd can supply below scrap product: PP Injection Granules White Plastic Scrap MATERIAL: PP Injection Granules White CATEGORY: PP TYPE: Granules GRADE: Injection SPECIFICATION: 100% Recycled ,Injection moulding, MFI :18-22 Origin: Kuwait LOADING WEIGHT: 25 Tons FOB (USD/Ton): 1200-1400
PS Regrind Extrusion/Injection Grade Plastic Scrap MATERIAL: PS Regrind Extrusion/injection Grade CATEGORY: PS TYPE: Regrind GRADE: extrusion/injection SPECIFICATION: Material comes from thermoforming products, so basically Is extrusion grade, but it's suitable also for injection ORIGIN: Israel LOADING WEIGHT: 25 Tons FOB (USD/Ton) : 750-980
Product’s name: Injection mold Keyword: Injection mold,blow molding, rotary mold, roto mold. Specification: We offer to make molds for injection molding, blow molding, rotary molding roto molding. We also undertake injection, blow or rotary molding works from Toys to Big bins or water tanks, floating docks, road barrier etc. We can do custom design plastic parts or components. Water Tanks ( Roto Molding process)
PC Virgin Pellets Injection Grade Plastic Recycle For Sales MATERIAL : PC Virgin Pellets Injection Grade CATEGORY : PC TYPE : Pellets GRADE : Black SPECIFICATION : On going all the time 2-3 loads a month Melt flow is 63 MFR Notched Izod is 11.8 Tare Weight: 75 lbs/unit ORIGIN : US LOADING WEIGHT : 25 Tons FAS (USD/Ton): 1200-1400
Injection molded part, engineering plastic and liquid silicone (LIM/LSR)
Pet Bottle Lumps: Post industrial lumps Mixed color , Mainly clear and blue Bottle Grade , IV: 0.80 Loading weight: 22 Tons
2Lians Recycling Pte Ltd can supply below scrap product: A-Pet Bottle Flake Plastic Scrap MATERIAL: A-Pet Bottle Flake CATEGORY: Pet TYPE: Flake GRADE: A SPECIFICATION: washed by Alkaline, have neck inside ORIGIN: Japan LOADING WEIGHT: 24 Tons FOB (USD/Ton): 1000-1200
2Lians can supply Plastic scrap product as below: PET Preform Transparent Plastic Scrap MATERIAL: PET preform transparent CATEGORY: PET TYPE: Preform GRADE: Transparent SPECIFICATION: PET preform transparent ORIGIN: Japan LOADING WEIGHT: 20 Tons FOB (USD/Ton): 550-700
We are interested to supply 200 MT of PET Preform Scrap on a regular monthly basis. Place of Origin : Japan, US, Europe Materials : Polyethylene Terephthalate (PET) Color : Transparent and Mix Color Application : Fabric, bottle, Polyester,... Grade : Bottle Type : Post Industrial Waste Quality : Clean and less than 1% shortage Form : Preform FOB Price : $600.00 - $800.00 Minimum Order : 25 Tons Payment Term : T/T 50/50 and L/C 100% at sight Estimate Lead Time : 15 - 20 days Origin : Tokyo, Yokohama, Hamburg, New York, Long Beach Supplying Capacity : 200 tons/month Packaging : Jumbo Bag Interested PET Preform Scrap buyers, please do contact us. We are waiting to hear from you.
PET Roll Transparent Plastic Scrap MATERIAL : PET Roll Transparent CATEGORY : PET TYPE : Roll GRADE : Transparent SPECIFICATION : PET roll transparent, 2 full containers available ORIGIN : UK LOADING WEIGHT : 25 Tons FOB (USD/Ton) : 280-450
IV: 0.250 +/- 0.1 dl/g Bottle line production
Pet Bottle Preform Plastic Scrap MATERIAL: Pet Bottle Preform CATEGORY: Pet TYPE: Preform GRADE: Clear SPECIFICATION: 1 load ready ORIGIN: Australia LOADING WEIGHT: 15~16 Tons FOB (USD/Ton): 500-700
MATERIAL : PET Sheet regrind clear color CATEGORY : PET TYPE : Regrind GRADE : Clear SPECIFICATION : Post industrial IV : 76 100% no impurity, moisture ORIGIN : Australia LOADING WEIGHT : 22 Tons FOB (USD/Ton) : 400-550
PET Repro Green Plastic Scrap MATERIAL: PET Repro Green CATEGORY: PET TYPE: Repro GRADE: Green SPECIFICATION: "Pure green PET repro pellet, bottle grade Density: 1.35gm/cm3 Pellets size : 3*3 (mm), mesh screen spec 20+100+200+20 IV 0.66+/-0.02 48 tons supply monthly 24 ton per 20' container""" ORIGIN : Bangladesh LOADING WEIGHT : 24 Tons FOB (USD/Ton) : 670-870
