13 best plastic injection molding companies

Plastic injection molding companies play a crucial role in the manufacturing industry, producing a wide range of plastic products and components, including those related to household sensors, alarms, safety, and security equipment. Here's what you should know about these companies:

  1. Injection Molding Process: Plastic injection molding is a manufacturing process that involves injecting molten plastic material into a mold cavity. The material is then cooled and solidified to form a specific shape or part. This process is highly versatile and capable of producing complex and precise components.

  2. Customization: Plastic injection molding companies can create custom-designed plastic parts based on the unique requirements of their clients. This allows for the production of a wide variety of components used in household sensors, alarms, and safety devices.

  3. Materials: These companies work with a range of plastic materials, each with different properties such as strength, durability, and resistance to environmental factors. The choice of material depends on the intended application of the product.

  4. Quality Control: To ensure the highest quality, plastic injection molding companies implement strict quality control measures throughout the manufacturing process. This includes inspecting molds, monitoring the injection process, and performing post-production checks on finished parts.

  5. Cost-Efficiency: Injection molding is a cost-effective manufacturing method for producing large quantities of plastic parts. The process is highly automated, reducing labor costs and minimizing material waste.

  6. Tooling and Mold Design: Tooling and mold design are critical aspects of plastic injection molding.These companies have expertise in designing molds that are precise, durable, and cost-effective. Mold design impacts product quality and production efficiency.

  7. Capacity and Scalability: Plastic injection molding companies can handle large production runs, making them suitable for mass production. They can scale production up or down to meet the client's needs.

  8. Lead Times: Lead times for injection molding projects can vary depending on factors like mold design, material availability, and project complexity. However, the process is generally faster than other manufacturing methods once the molds are created.

  9. Secondary Operations: Many plastic injection molding companies offer secondary operations such as assembly, printing, and packaging, providing clients with a one-stop solution for their manufacturing needs.

  10. Environmental Considerations: Some plastic injection molding companies are conscious of environmental sustainability and use recycled materials or implement eco-friendly practices in their operations.

When looking for a plastic injection molding company for manufacturing household sensors, alarms, or safety and security components, it's important to consider factors like their experience, reputation, capabilities, and their ability to meet quality standards and deadlines. Effective collaboration with such companies can result in the production of reliable and high-quality plastic parts for various applications in the Tools, Home Improvement, Safety, and Security sectors.

Below you can find our editor's choice of the best plastic injection molding companies on the market
  

Plastic Injection Molding: Manufacturing Startup and Management

Based on 3 reviews Check latest price

Secrets of Building a Plastic Injection Molding Machine

Based on 38 reviews Check latest price

Plastic Injection Molding: Manufacturing Process Fundamentals

Based on 14 reviews Check latest price

Plastic Injection Molding: Mold Design and Construction Fundamentals (Fundamentals of Injection Molding) (2673) (Fundamentals of injection molding series)

Based on 2 reviews Check latest price

Plastic Injection Molding: Product Design & Material Selection Fundamentals (Vol II: Fundamentals of Injection Molding) (Fundamentals of injection molding series)

Based on 2 reviews Check latest price

Injection Molding Advanced Troubleshooting Guide: The 4M Approach

Hanser Publications

Based on 5 reviews Check latest price

Handbook of Polycarbonate Science and Technology (Plastics Engineering 56)

Introduction to the Plastic Injection Molding Process

Based on 1 reviews Check latest price

HE3D Open Source Ciclop DIY 3D Systems Scanner Kit for 3D Printer Advanced Laser Scanner, Injection molding Plastics Parts

HE3D

Based on 80 reviews Check latest price
  • Totally open source 3D scanner for 3D printing , free to get the software
  • Easy to assemble and use
  • Full kits, it include all the parts for the scanner
  • Injection molding red plastics parts, not printed! that make the scanner more beatiful, you won't encouter the problem caused by not precision size
  • Upgrade to new intergrated motherboard

User questions & answers

Question: Is there a site to get the assembly and set up instructions and software
Answer: yes, you can visit our Youtube channel "3d printer HE3D" to see the assembling video and calibration video ! you also can add our facebook to get all the links to the instructions and software
Question: The board Cannot connect to pc i will give this a bad rating and sugetion to not buy if i cannot get a answer
Answer: Hi , please contact us , we will supply after-sale service! on the checker , you can find our facebook QR, please scan it , we can give you anwser there! Must install USB driver! if your computer is windows, please download the USB driver in this link https://drive.google.com/file/d/0B8opGltFUVLQN0NocUtwQkV0M2s/view?usp=sharing If your computer is MAC system , please download the USB driver is this link https://drive.google.com/file/d/1d8ZvO4q-c2h2KF7QlT1u90xkz8w90-5Y/view?usp=sharing
Question: Does it include the calibration checkerboard
Answer: Yes, it include the calibration checkerboard
Question: Is this the entire scanner kit or just the molded red pieces
Answer: This is full kit for 3D scanner ,including the motherboatd ,molded pieces,frame ,motor and so on

Product features

Beautiful red DIY 3D scanner

This scanner belongs to desktop 3D scanners, which can not match with industrial standard scanners, and it is not suitable for scanning irregular and complex objects, only scan nearly cylindrical object, the effect will be more ideal, there are many factors affect scan result. like scanned objects, environment and light. there is a big relationship between them, so we recommend you scan in Constant Light Studio, scanning results will be better.

This Scanner is easy to scan:

1, object space volume is bigger than 5*5cm

2, object space volume is smaller than 20.3cm*20.3cm

3. object weight is less than 3kgs

4. still object

5. opaque object

FAQ: which things are hard to scan or can not scan ?

1.object space volume is smaller than 5*5cm

2.transparent oject (glass or organic plastics)

3.luminous object or highly reflective objects

4.dark object and fuzzy object(such as plush toys )

5.object space volume is bigger than 20.3*20.3cm

6.object weight is more than 3kgs

7.moving object

Package List



1 Intergrated motherboard X1 piece

2 USB wire X1 piece

3 C270 HD webcam X1 piece

4 42 stepper motor X1 piece

5 Laser X2 pieces

6 12V 1.5A Power supply X1 set

7 8mm Bobbin X1 piece

8 M3*12 self-tapping screw X4 pieces

9 M3*20 self-tapping screw X2 pieces

10 M3*10 screw X10 pieces

11 M3 nut X6 pieces

12 M8 nut X28 pieces

13 M8 washer X18 pieces

14 Hexagon wrench 2.5mm X1 piece

15 M8*30 screw X3 pieces

16 16014 bearing X1 piece

17 M8*382mm Screw X2 pieces

18 M8*302mm Screw X1 piece

19 M8*152mm Screw X4 pieces

20 Injection molded plastics parts X11 pieces

21 Calibration checkered paper X1 piece

22 Calibration board (3mm acrylic plate) X1 piece

23 Countertop (7mm acrylic plate) X1 piece

24 black non-slip mat for the acrylic plate X1 piece



Red injection molded plastics parts

The advantage of plastic injection molding.

1. The surface of injection molding plastic parts is more smooth and clean.

2. Compared with printed plastic parts, You do not need to fix it.

3. It is more durable than printed plastic parts.

Two big advantages of the new design.

1. it is more easy to install.

2. you can stable the board on this plastic parts.

G-Box Kids Face Masks, Children's Face Masks Disposable, 3-Layer, Cute Cartoon Patterns(50-pcs) (Plain Pink)

Guangdong G-Box Holdings Co., LTD

Based on 1 reviews Check latest price

Product description

Kids Face Masks Daily Use; 50 pcs

-Disposable

-Size specifically designed for kids: 5.5 X 3.54 inches

-Fit 4-12 years old children (boys & girls)

-Especially for kids who attend school, play outdoor, shop, camp and other group activities



3-PLY for better protection

Outer and inner layers are made of waterproof non-woven fabric, the middle layer is a melt-blown filter



3D Design

3D design, suitable for various face shapes, easily build a three-dimensional protective space, effectively reduce air leakage and fog on your little one's glasses



Safe Protection

Used active printing and dyeing technology, no fluorescent agent, no formaldehyde, safe friendly, and harmless



Adjustable Nose Clip

Soft & adjustable metal nose piece, flexible adjustment to ensure that it can fully fit and cover your child's face.



No Pain on Kid's Ears or Face

High elasticity and soft ear loops with moderate elasticity can avoid pain and reduce a trace on children's faces after taking off masks for extended use.



For Kids Protection

Our children should also be professionally protected, so we have customized special sizes and breathable designs for children, even children who do not like to be wearing will not feel uncomfortable wearing it.



Manufacturer: GuangDong G-Box Holdings Co., LTD

Founded in 2005, G-Box is a plastic injection molding company producing high quality and hygienic disposable takeout plastic food containers that are microwave safe and high quality face masks for adults and children. G-Box is the first environmentally plastic container listed company in NEEQ (National Equities Exchange and Quotations). Its public stock name is G-Box and ticker symbol is 838961. G-Box has passed BRC, BSCI, ISO9000, and ISO14000 international quality management system certifications.

  • 3-Ply Daily Protection -- G-Box kids face masks offer premium non-woven & melt-blown layers providing optimal protection against dust & pollution
  • Soft & Durable Earloops -- G-Box kids face masks' soft elastic earloops will not put pressure on kids' ears and will not break off
  • Adjustable Metal Nose Piece -- G-Box kids face masks come with built-in flexible metal nose piece that can be molded to create a good seal
  • One Size -- G-Box kids face masks are 5.5 X 3.54 inches that fit snugly for most children 4-12 years old
  • Manufactured by G-Box, a public traded company. Satisfaction guaranteed.

User questions & answers

Question: what county are these made
Answer: Box in the amazon pictures clearly indicates, China.
Question: are these medical grade
Answer: It states that it isn't medical grade.
Question: Are these thin? I'm looking for ones that are easy to breathe in for my 4 year old
Answer: They are easy to breathe in. I actually wear them because I have a smaller face. They are a little big even on my 6 year old though.
Question: Where are they made
Answer: China

G-Box Children's 5-Layer Disposable Particulate Respirators (25-pcs, Individually Wrapped) (Blue Panda)

GuangDong G-Box Holdings Co., LTD

Based on 283 reviews Check latest price

Product description

Kids Daily Use; 25 pcs

-Disposable

-Size specifically designed for kids

-Fit 4-12 years old children

-Especially good for kids who attend school, play outdoor, shop, camp and other group activities



5-PLY for better protection and peace of mind

Outer and inner layers are made of waterproof non-woven fabric, the middle layers are two melt-blown filters and one cotton filter



3D Design

3D design, suitable for various face shapes, easily build a three-dimensional protective space, effectively reduce air leakage and fog on your little one's glasses



Safe Protection

Used active printing and dyeing technology, no fluorescent agent, no formaldehyde, safe friendly, and harmless



Adjustable Nose Clip

Soft & adjustable metal nose piece, flexible adjustment to ensure that it can fully fit and cover your child's face.



No Pain on Kid's Ears or Face

High elasticity and soft ear loops with moderate elasticity can avoid pain and reduce a trace on children's faces after taking off masks for extended use.



For Kids Protection

Our children should also be professionally protected, so we have customized special sizes and breathable designs for children, even children who do not like to be wearing will not feel uncomfortable wearing it.



Manufacturer: GuangDong G-Box Holdings Co., LTD

Founded in 2005, G-Box is a plastic injection molding company producing high quality and hygienic disposable takeout plastic food containers that are microwave safe and high quality face masks for adults and children. G-Box is the first environmentally plastic container listed company in NEEQ (National Equities Exchange and Quotations). Its public stock name is G-Box and ticker symbol is 838961. G-Box has passed BRC, BSCI, ISO9000, and ISO14000 international quality management system certifications.

  • 5-Ply: 5 layers of protection for better peace of mind.
  • Individually wrapped for extra hygiene and convenience.
  • Ultra Soft Ear Loops & Adjustable Metal Nose Piece.
  • Non-medical & Non-NIOSH.
  • Manufactured by G-Box, a public traded company. Satisfaction guaranteed.

User questions & answers

Question: Does this mask come with a plastic respirator
Answer: No. This is a standard KN95 in a children's size. They fit great on my 7 year old daughter. Ones with a respirator aren't effective for viruses and bacteria as they just blow all of your air out around you in a puff(unless they have a secondary bfilter like a half 3M mask.. They might be helpful for the individual, but harmful for those surrounding you.
Question: What age range are these masks for? Some labeled for kids but are big for kids
Answer: Hi, we would recommend these to primary and middle school-aged children. Based on reviews, children as young as 6-7 fit nicely.
Question: The picture for the black color looks different than the others. Are they the same
Answer: Yes they are the same just different colors and patterns
Question: After how many hours wearing one mask should we substitute for another
Answer: Generally 4 hours, but these can be reused under ultraviolet light or heating to I believe 150°F.

Silicone Resin Measuring Cups Tool Kit- Reusable Nicpro 250 & 100 ml Measure Cups, Silicone Popsicle Sticks, Pipettes, Finger Cots for Epoxy Resin Mixing, Molds, Jewelry Making, Waxing, Easy Clean

Nicpro

Based on 170 reviews Check latest price

Product description

4pcs 100ml Silicone Cups

4pcs 10ml Epoxy Resin Cups

4pcs Silicone Stire Sticks

1Pcs 8oz Graduated Silicone Cup

20 Finger Cots

5 transfer pipettes

  • Valued Package:Come with one graduated 250 ml measure cups, 4 pcs 100ml measure cups, 4 pcs resin cup and 4 pcs silicone sticks, 20 finger cots and 5 pcs transfer pipettes.Perfect for resin art craft, glitter tumblers making
  • 250 ml & 100ml Measure Cups: Made of silicone,flexible and durable,non toxic, smooth and non-stick, with angled diversion port design, make the pouring easier,more accurate and prevent the liquid from remaining on the outer wall of the cup and keep it clean.
  • 4 PCS Silicone Sticks: Our stir stick are made of silicone material, with a good anti-skid & non-stick surface, resistant to high temperature, easy to peel off the resin,safe and non-toxic,more convenient than traditional wooden stir .
  • 4 PCS Resin cups: Approximately with an volume around 10ml, perfect for small amount liquid, resin, paint mixing, with a long and deep spout for precise transfer purpose.
  • Transfer Pipettes & Finger Cots:The capacity 3ml, length 6.1” pipettes are ideal tools to quickly and easily move resin from original containers to mixture.12pcs free sized finger cots to keep liquids contaminate from skin

DIY Mold Test, Mold Testing Kit (3 tests). Lab Analysis and Expert Consultation included

Based on 1 reviews Check latest price

Product description

If you have recently been worried about a mold issue or have had water damage, then you understand how troubling it can be to not know if you have a mold growth in your home. No one wants to deal with the stress of an unknown health issue and to make matters worse hiring a “Professional” can cost 4 to 5 hundred dollars. Put your mind at ease and use our test to be sure. Mold and the toxins they produce can be dangerous and they can also be hidden. Don't be fooled by instant check kits that only test for 3 different mold types. Our kit tests for all mold types. We include a guide to help you understand how to properly inspect your property for signs of mold and water damage. This is what sets our tests apart. Inspections are a very important and often overlooked aspect of mold testing. Without properly inspecting your property you could miss a huge issue and never know it. We strive to show you how to identify problems and how to use our mold test kit properly. Our product contains 3 tape lift samples(surface test), a quick start guide, and a mold inspection booklet. The tape lifts can be used to test surfaces that you suspect may be mold growth. The inspection booklet will tell you where to look for mold. Once you have collected the samples you will mail them to the lab (shipping to lab not included). Your mold samples will be sent to an experienced Lab that has processed more than 50,000 mold tests. The lab will analyze your samples and produce an illustrated data report that you will receive through email. All of the results are confidential and only you and the lab will see them unless you request otherwise. You can then reach out to us at your convenience for an expert consultation to help you understand the mold test results. In fact you can reach out to us during any stage for consultation and help with any questions you have about taking samples.** Texas residents or samples collected from Texas must submit $24 fee for Lab analysis**

  • Easy, Safe and Simple to use (quick start guide and full booklet included)
  • Get Peace of Mind and protect your family from harmful Mold and mycotoxins
  • Lab Fees and detailed report included in Price (except in Texas)
  • Expert Consultation to explain results and discuss inspection included
  • Save money vs hiring a Professional home mold inspector (3 surface tests included)

User questions & answers

Question: Is there an additional cost to have the results analyzed
Answer: Hello, Our lab technicians have processed more than 50,000 of these types of tests and also have extensive experience working in accredited Labs. The only way to be 100% sure results are accurate is to send the same set of samples to multiple labs and compare. With any test there are many variables that can alter the outcome such as : collection methods, human error, and etc. This makes it difficult to be 100% sure about any test even if it comes from an accredited lab. After working in a commercial accredited lab I am confidant that our results are as accurate or more accurate than theirs.
Question: Is this kit certified by the american industrial hygiene association
Answer: I just listened to a talk by a functional health-care worker who treats mold related illnesses, Evan Brand. Says he's had hundreds of patients do "plate" tests to test household air that he believes are reliable. (I guess some say plates are not reliable.) These are petri dishes you put out to collect airborne molds. His website sells the ImmunoLytics Mold Test Kits. I found them available on Amazon, and directly from the manufacturer too. Unfortunately there are no reviews and they're pricy ($35/1 plate, around $95/3). This includes analysis. I'm on the fence about these due to the price (and possible effectiveness). Here's the rub... ImmunoLytics appears to do the same thing as the spot tests sold here does, just in a different collection medium. They sell the petri dishes for $3, so the cost is in the analysis. Why it it less than half the cost for the tests here, versus an air sample? The price seems excessive compared to these test strips.
Question: I see here it says lab is unaccredited, how can I be sure the results are accurate
Answer: Hello, I’ve been using Mold Kits for half a year so far. And every time I have prepared and set the test kit, it has given me 100% on each test. Even if you can not see mold it will detect it. Follow instructions when you get it. It will tell you what when how why etc. the test is more of a airborne test. You have the choice to do a swap test also. Product works 100% in my opinion
Question: Would this test help us find out if there is black or harmful mold in our house, not from a specific spot but just in general in the air
Answer: From the time they receive it in the mail,48 hours to have a lab result sent to you via email.

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