TDD HOME
Service
Shipping Logistics
Warehouse Services
Expo Services
Help Center
Supplier
Supplier Service
Supplier Center
Supplier Register
Investment Promotion
FAQ
Contact Us
English
English
Русский язык
Post My RFQ
Sign In
/
Join
Shopping Cart
Mall
Vehicles
Locomotive
Passenger cars
Bus
Truck
Container
Emergency Vehicle
Golf cart
Motorcycle and Bicycle
Special Transportation Vehicle
Train Cabin
Tricycle
ATV & UTV
Tyre
Natural Rubber
Passenger Car Tyres
Truck & Bus Tyre
Off-The-Road Tyre
Agricultural Tyre
Industrial tires
Motorcycle Tyre
Airplane Tyre
Auto Spareparts
Heavy truck Spareparts and Accessories
Railway Spareparts and Accessories
Other Car Accessories
EV Spareparts and Accessories
Motorcycle Spareparts and Accessories
Trailer Spareparts and Accessories
Cooling System
Container Spareparts and Accessories
Bus Spareparts and Accessories
Aviation Spareparts and Accessories
Automotive Transmission System
Automotive Suspension System
Automotive Steering System
Automotive Modification Spareparts
Automotive panel System
Train Spareparts and Accessories
Truck Spareparts
General Spareparts
Wheels and Accessories
Automotive Lighting System
Air Conditioning System
ATV & UTV Spareparts & Accessories
Automotive Braking System
Automotive Driving System
Automotive Electrical System
Automotive Engine
Material
Natural Rubber
Synthetic Rubber
Carbon Black
Steel Wire
Tyre Fabrics
Chemical Additives
steel wheel
steel plate
oil filter
Battery
brake pad
Jack
Galvanized tile
service
Warehouse Services
Integrated logistics
Expo Services
Trade Assurance
Wiki
Q&A
Industry info
Company news
Industrial e-commerce platform
Industrial information service platform
Digital technology service platform
Group dynamics
RFQ
Contact Us
Feedback
App
Download Cnauto App
Scan the QR code to download
TOP
KaySam
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Industry info
Wiki
Q&A
tags:
Edits:
0
Number of entries:
0
tags:
Edits:
0
Number of entries:
0
Q
what drives the formation of amyloid fibers
MerleJoseph
KaySam
Release Time:
June 25, 2024, 9:50 AM
Amyloid fibers form through a process driven by the misfolding of proteins. Proteins typically fold into specific three-dimensional shapes to function correctly. However, when a protein misfolds, it can aggregate with other misfolded proteins, forming stable, insoluble fibers known as amyloids. These aggregates disrupt cellular function and are implicated in various diseases, including Alzheimer’s, Parkinson’s, and type 2 diabetes. The exact triggers of protein misfolding are multifaceted, involving genetic mutations, environmental factors, and biochemical imbalances. The amyloid theory suggests that the accumulation of these fibers is a critical step in the disease process, leading to cell death and tissue damage. Therefore, understanding the mechanisms behind amyloid formation is crucial for developing therapeutic strategies to combat these conditions. The balance between protein synthesis, proper folding, and degradation determines the propensity for amyloid formation; d...
0
Q
naoh melting point
MorganMichelson
KaySam
Release Time:
June 25, 2024, 3:19 AM
Sodium hydroxide (NaOH), also known as lye or caustic soda, is a highly caustic metallic base and alkali salt. It is a white solid at room temperature and is available in pellets, flakes, granules, and as a 50% saturated solution. NaOH is widely used in the chemical industry, particularly in the manufacture of paper, textiles, detergents, and for water treatment. Its melting point is an important physical property, especially for its handling and industrial application. The melting point of NaOH is 318°C (604°F). This relatively high melting point ensures that NaOH remains solid under most ambient conditions, which is critical for storage and transportation. Handling NaOH requires careful consideration due to its highly corrosive nature, and understanding its melting point is crucial for setting proper safety and handling protocols in industrial settings.
0
Q
what is thin film stress
SarahColclough
KaySam
Release Time:
June 24, 2024, 10:47 AM
Thin film stress refers to the internal forces per unit area (stress) present within thin films, which are layers of material ranging from a few nanometers to several micrometers in thickness, deposited on substrates. This stress can occur due to various factors including differences in thermal expansion coefficients between the film and substrate, intrinsic stresses from the deposition process (e.g., sputtering or chemical vapor deposition), and extrinsic stresses induced by external forces or constraints. The stress can be tensile (pulling apart) or compressive (pushing together), affecting the film’s properties, performance, and reliability. Managing thin film stress is critical in semiconductor manufacturing, coatings, and other applications to ensure durability and functionality.
0
Q
best adhesive for hdpe pipe
ArchibaldGrant
KaySam
Release Time:
May 13, 2024, 4:32 AM
When joining HDPE (High-Density Polyethylene) pipes, traditional adhesives might not be effective due to HDPE’s chemical resistance and non-porous surface. The best adhesive for HDPE pipes is a two-part epoxy specifically designed for polyethylene materials. Such epoxies are formulated to create strong bonds despite the slick, chemically inert surface of HDPE. A crucial step before applying the adhesive is surface preparation, which involves cleaning and possibly roughening the HDPE surfaces to improve adhesion. In some cases, a primer designed for use with polyethylene might be advisable to enhance the epoxy’s effectiveness. Additionally, for a stronger, more reliable connection, using a method such as heat fusion or electrofusion is recommended, where applicable.
0
Q
does polypropylene smell sweet
HerbertBennett
KaySam
Release Time:
May 5, 2024, 8:21 AM
Polypropylene. a thermoplastic polymer. is widely utilized in various industries such as packaging and textiles. Its popularity can be attributed to its chemical resistance. elasticity. and toughness. Despite being known as odorless. certain polypropylene products may have a sweet taste or smell due to additives mixed in during manufacturing for color enhancement. flexibility. or durability. It’s important to note that this sweetness may not come from the polypropylene itself. but rather from residues of other substances with which the product has come into contact. While some stabilizers or plasticizers used in the production process may result in a slight odor. a strong sweetness is not typically associated with pure polypropylene materials.
0
Q
how to paint polypropylene tarp
PaulJoule
KaySam
Release Time:
May 4, 2024, 12:18 PM
Painting a polypropylene tarp requires a few crucial steps due to its non-porous nature, which makes adhesion challenging. First, clean the tarp thoroughly to remove dirt and grease. Scuffing the surface lightly with fine-grit sandpaper can help the paint adhere better. Use a primer designed for plastic surfaces; this is key to ensure the paint sticks and doesn’t peel off. When selecting paint, opt for acrylic or spray paints specifically formulated for plastic. Apply the paint in thin, even coats, allowing adequate drying time between layers. Be aware that even with these steps, the paint might not be as durable on a polypropylene tarp as on more porous materials.
0
Q
fundamentals of plastic injection molding
TammySidney
KaySam
Release Time:
May 4, 2024, 8:15 AM
Plastic injection molding is a manufacturing process for producing large volumes of identical plastic parts. It involves melting plastic granules and injecting them into a mold at high pressure. Once cooled, the part is ejected. Key benefits include high efficiency, excellent part repeatability, and the ability to use a wide range of materials. Factors critical to the process include mold design, material selection, and processing parameters like temperature and pressure. Challenges can include upfront costs for mold design and production. It’s widely used in various industries, from automotive to consumer goods, owing to its versatility and efficiency.
0
Q
how does a pipe work
GailLeigh
KaySam
Release Time:
May 2, 2024, 11:17 AM
A pipe functions as a conduit to transport fluids (liquids and gases) or, occasionally, fine solid materials from one point to another. The basic principle behind a pipe’s operation involves creating a pressure differential, where fluid flows from a high-pressure area to a low-pressure area. Material selection for pipes (such as PVC, steel, or copper) depends on the fluid’s nature, pressure, and temperature requirements. Modern pipelines might also include pumps or compressors to aid flow in long distances or where elevation changes. For gases and vapors, valves can regulate the flow or redirect it. The design and maintenance of a pipeline system consider factors like corrosion prevention, thermal expansion, and the necessity for joints or fittings to accommodate changes in direction or pipe diameter.
0
Q
cooling rate injection molding
TrudaWilliam
KaySam
Release Time:
April 30, 2024, 2:25 PM
In injection molding, the cooling rate is crucial for determining the quality and efficiency of the production process. The rate at which the molten plastic cools and solidifies in the mold directly affects the cycle time, dimensional accuracy, and mechanical properties of the final product. A faster cooling rate can lead to shorter cycle times and higher production rates but may increase residual stresses and potential for warping, especially in thicker sections. Conversely, a slower cooling rate ensures better dimensional stability and mechanical properties but can significantly lengthen the cycle time, reducing overall productivity. Optimization of the cooling rate involves a careful balance, often achieved through simulation software and experience, to ensure the best compromise between production speed and product quality. Cooling systems in the mold, such as conformal cooling channels that closely follow the part geometry, can offer more efficient cooling, leading to improved cyc...
0
Q
what is the difference between polyester and polyamide
ZonaEsther
KaySam
Release Time:
April 26, 2024, 5:59 PM
Polyester and polyamide are both synthetic fibers, but they feature different chemical structures, resulting in varied characteristics. Polyester, derived from petroleum, exhibits high strength, resilience, and is quick-drying, making it popular in activewear and everyday garments. It resists shrinking and wrinkles but can be prone to static and pilling. On the other hand, polyamides, including the well-known nylon, are known for their exceptional strength, elasticity, and abrasion resistance. Polyamides tend to feel softer and are more breathable than polyester, making them ideal for hosiery and swimwear. They also offer better moisture management, which is crucial for comfort in active apparel. However, polyamides may absorb more water and take longer to dry compared to polyester. In summary, the choice between polyester and polyamide depends on the specific requirements of the end-use, such as durability, comfort, and moisture management.
0
You May Like
BMW 5-SERIES F10 FRONT BUMPER
Product Name: Florescence Korea Agricultural Inner Tube Tractor Tyre Inner Tubes 14.9-24 16.9-30 710/70-42
Cabin filter
Air filter
Surround the front bumper plate plate
Material Division
Large surround foot pads
Q&A
•
are engine swaps legal
•
how to hand turn an engine
•
is ford 2.7 ecoboost a good engine
•
is the 6.0 diesel a good engine
•
how to test a coil on a small engine
Popular Information
•
Localization of EV parts without production scalability may not help cut EV price, says President, Amara Raja
•
Volkswagen, Mobileye expand autonomous driving collaboration
•
Stellantis to cut 400 engineering, technology jobs
•
JCTSL may turn bus stands into charging points for e-buses
•
China to challenge Biden’s electric vehicle plans at the WTO
Links
made-in-china
echemi.com
eurocarparts.com
made-in-china
echemi.com
eurocarparts.com
made-in-china
echemi.com
eurocarparts.com
made-in-china
echemi.com
eurocarparts.com
About Cookies On This Site
We use cookies to give you the best possible experience on our website. For more details including how to change your cookie settings, please read our
Cookies Policy
I understand
Cookie Settings