Press release
What is the reason for PEEK products black spot problem, How to improve silicone powder
PEEK (polyether ether ketone) is a high-performance engineering plastic with a number of excellent physical and chemical properties that make it popular for a variety of high-end applications.
Properties of PEEK:
1. high temperature resistance: the melting point of PEEK is up to 343 , can be used for a long time at 250 without affecting its mechanical properties.
2. Chemical resistance: PEEK has excellent resistance to most chemical reagents such as acids, alkalis and organic solvents.
3. Mechanical properties: PEEK has excellent mechanical strength, impact resistance and wear resistance.
4. Self-lubricating: PEEK has a low coefficient of friction, making it suitable for use in the manufacture of bearings and other components that require a low coefficient of friction.
5. Biocompatibility: PEEK is non-toxic to the human body and is suitable for medical implants.
6. Processability: PEEK has good melt flow and can be processed by injection moulding, extrusion and other methods.
PEEK application areas:
Medical & Biopharmaceutical: Medical grade PEEK is resistant to a wide range of sterilisation methods and is suitable for use in surgical instruments, orthopaedic implants, and more.
Chemical handling: PEEK is resistant to a wide range of chemicals and is suitable for components in chemically aggressive applications.
Food, Beverage, Pharmaceutical, Packaging, Aerospace, Automotive and Transportation, etc.
As PEEK materials have a wide range of applications, so a single PEEK resin is difficult to meet the different requirements of use, in recent years the modification of PEEK has become one of the hot spots of domestic and foreign research, the main means of fibre-reinforced PEEK, PEEK particles filled with PEEK, PEEK surface modification, blending with polymers, etc., which not only reduces the cost of the products, but also improves the moulding and processing performance and usability of PEEK. Performance and use of performance. Due to the addition of different plastic modifiers, PEEK materials in the process of processing also encountered a lot of processing difficulties, PEEK products also appeared in the black spot and other common defects.
The reasons for black spots on PEEK products may include:
1. Raw material problem: Raw materials may be contaminated by dust, impurities, oil and other contaminants during production, transportation and storage, and these contaminants may be burnt due to high temperature during injection moulding, forming black spots.
2. Mould Problems: Moulds in the process of use, may be due to the release agent, rust inhibitor, oil and other residues, resulting in black spots. Mould design is unreasonable, such as too long runner, poor exhaust, etc., may also lead to the plastic in the mould to stay too long, resulting in scorching phenomenon, thus forming black spots.
3. Injection moulding machine problems: the screw and barrel of the injection moulding machine may accumulate dirt due to long-term use, and this dirt may be mixed into the plastic during the injection process, forming black spots. The temperature, pressure, speed and other parameters of the injection moulding machine are not set properly, which may also lead to burning of the plastic during the injection process and the formation of black spots.
4. Processing aids overheating decomposition: PEEK materials in the processing process, through the appropriate amount of processing aids will be added, but due to the processing temperature is too high, the traditional processing aids are not resistant to high temperatures, easy to overheating decomposition, the formation of carbide, resulting in black spots on the surface of the product.
How to solve the PEEK products appear black spot:
1. Strictly control the quality of raw materials, avoid the use of contaminated raw materials.
2. Regular cleaning and maintenance of the injection moulding, keep the cleanliness of the equipment, clean the barrel and screw, avoid the formation of carbide of PEEK rubber material for a long time by high temperature.
3. Reduce or evenly heat the barrel to make the temperature uniform, correct the gap between the screw and the melt barrel, so that the air can be smoothly discharged from the melt barrel.
4. Replacement of suitable processing aids: choose high temperature resistant processing aids to avoid the formation of carbide in the process, thus improving the defects of PEEK products with black spots on the surface.
SILIKE Silicone powder (Siloxane powder) [https://www.siliketech.com/silicone-powder/], multifunctional plastic modification processing aids, effectively improve the black spot problem of PEEK products
SILIKE Silicone powder (Siloxane powder) LYSI series is a powder formulation. Suitable for various applications like engineering plastics, wire&cable compounds, color/ filler masterbatches...
Compare to conventional lower molecular weight Silicone / Siloxane additives, like Silicone oil, silicone fluids or other type processing aids, the thermal decomposition temperature of SILIKE Silicone powder is generally above 400, and it is not easy to be coked under high temperature. It has the characteristics of improving wear and scratch resistance, reducing friction coefficient, improving processing performance, enhancing surface quality, etc., which greatly reduces the defective rate of products and production costs.
What are the benefits of adding SILIKE Silicone powder (Siloxane powder) LYSI-100 to PEEK materials during processing:
1. SILIKE Silicone powder (Siloxane powder) LYSI-100 has excellent thermal stability and avoids the formation of carbonisation during processing, thus improving the defect of black spots on the surface of PEEK products.
2. SILIKE Silicone powder (Siloxane powder) LYSI-100 can improve processing properties including better flow ability, reduced extrusion die drool, less extruder torque, better molding filling & release
3. SILIKE Silicone powder (Siloxane powder) LYSI-100 can improve surface quality like surface slip, lower Coefficient of friction and greater abrasion & scratch resistance
4. Faster throughput, reduce product defect rate.
SILIKE silicone powder LYSI series products [https://www.siliketech.com/silicone-powder/] is not only suitable for PEEK, but also widely used in other special engineering plastics, etc. In practice, this series of products have a wealth of successful cases, if you are looking for high-performance plastics processing aids, you can contact SILIKE.
Chengdu Silike Technology Co., Ltd, a chinese leading Silicone Additive [https://www.siliketech.com/products/] Supplier for modified plastic, offer innovative solutions to enhance the performance and functionality of plastic materials. Welcome to contact us, SILIKE will provide you with efficient plastics processing solutions.
Contact us Tel: +86-28-83625089 or via email: amy.wang@silike.cn
website: www.siliketech.com [https://www.siliketech.com/] to learn more.
Media Contact
Company Name: Chengdu Silike Technology Co., Ltd.
Email:Send Email [https://www.abnewswire.com/email_contact_us.php?pr=peek-products-have-black-spot-what-is-the-reason-silicone-powder-how-to-improve-peek-products-black-spot-problem]
Country: China
Website: https://www.siliketech.com/
Properties of PEEK:
1. high temperature resistance: the melting point of PEEK is up to 343 , can be used for a long time at 250 without affecting its mechanical properties.
2. Chemical resistance: PEEK has excellent resistance to most chemical reagents such as acids, alkalis and organic solvents.
3. Mechanical properties: PEEK has excellent mechanical strength, impact resistance and wear resistance.
4. Self-lubricating: PEEK has a low coefficient of friction, making it suitable for use in the manufacture of bearings and other components that require a low coefficient of friction.
5. Biocompatibility: PEEK is non-toxic to the human body and is suitable for medical implants.
6. Processability: PEEK has good melt flow and can be processed by injection moulding, extrusion and other methods.
PEEK application areas:
Medical & Biopharmaceutical: Medical grade PEEK is resistant to a wide range of sterilisation methods and is suitable for use in surgical instruments, orthopaedic implants, and more.
Chemical handling: PEEK is resistant to a wide range of chemicals and is suitable for components in chemically aggressive applications.
Food, Beverage, Pharmaceutical, Packaging, Aerospace, Automotive and Transportation, etc.
As PEEK materials have a wide range of applications, so a single PEEK resin is difficult to meet the different requirements of use, in recent years the modification of PEEK has become one of the hot spots of domestic and foreign research, the main means of fibre-reinforced PEEK, PEEK particles filled with PEEK, PEEK surface modification, blending with polymers, etc., which not only reduces the cost of the products, but also improves the moulding and processing performance and usability of PEEK. Performance and use of performance. Due to the addition of different plastic modifiers, PEEK materials in the process of processing also encountered a lot of processing difficulties, PEEK products also appeared in the black spot and other common defects.
The reasons for black spots on PEEK products may include:
1. Raw material problem: Raw materials may be contaminated by dust, impurities, oil and other contaminants during production, transportation and storage, and these contaminants may be burnt due to high temperature during injection moulding, forming black spots.
2. Mould Problems: Moulds in the process of use, may be due to the release agent, rust inhibitor, oil and other residues, resulting in black spots. Mould design is unreasonable, such as too long runner, poor exhaust, etc., may also lead to the plastic in the mould to stay too long, resulting in scorching phenomenon, thus forming black spots.
3. Injection moulding machine problems: the screw and barrel of the injection moulding machine may accumulate dirt due to long-term use, and this dirt may be mixed into the plastic during the injection process, forming black spots. The temperature, pressure, speed and other parameters of the injection moulding machine are not set properly, which may also lead to burning of the plastic during the injection process and the formation of black spots.
4. Processing aids overheating decomposition: PEEK materials in the processing process, through the appropriate amount of processing aids will be added, but due to the processing temperature is too high, the traditional processing aids are not resistant to high temperatures, easy to overheating decomposition, the formation of carbide, resulting in black spots on the surface of the product.
How to solve the PEEK products appear black spot:
1. Strictly control the quality of raw materials, avoid the use of contaminated raw materials.
2. Regular cleaning and maintenance of the injection moulding, keep the cleanliness of the equipment, clean the barrel and screw, avoid the formation of carbide of PEEK rubber material for a long time by high temperature.
3. Reduce or evenly heat the barrel to make the temperature uniform, correct the gap between the screw and the melt barrel, so that the air can be smoothly discharged from the melt barrel.
4. Replacement of suitable processing aids: choose high temperature resistant processing aids to avoid the formation of carbide in the process, thus improving the defects of PEEK products with black spots on the surface.
SILIKE Silicone powder (Siloxane powder) [https://www.siliketech.com/silicone-powder/], multifunctional plastic modification processing aids, effectively improve the black spot problem of PEEK products
SILIKE Silicone powder (Siloxane powder) LYSI series is a powder formulation. Suitable for various applications like engineering plastics, wire&cable compounds, color/ filler masterbatches...
Compare to conventional lower molecular weight Silicone / Siloxane additives, like Silicone oil, silicone fluids or other type processing aids, the thermal decomposition temperature of SILIKE Silicone powder is generally above 400, and it is not easy to be coked under high temperature. It has the characteristics of improving wear and scratch resistance, reducing friction coefficient, improving processing performance, enhancing surface quality, etc., which greatly reduces the defective rate of products and production costs.
What are the benefits of adding SILIKE Silicone powder (Siloxane powder) LYSI-100 to PEEK materials during processing:
1. SILIKE Silicone powder (Siloxane powder) LYSI-100 has excellent thermal stability and avoids the formation of carbonisation during processing, thus improving the defect of black spots on the surface of PEEK products.
2. SILIKE Silicone powder (Siloxane powder) LYSI-100 can improve processing properties including better flow ability, reduced extrusion die drool, less extruder torque, better molding filling & release
3. SILIKE Silicone powder (Siloxane powder) LYSI-100 can improve surface quality like surface slip, lower Coefficient of friction and greater abrasion & scratch resistance
4. Faster throughput, reduce product defect rate.
SILIKE silicone powder LYSI series products [https://www.siliketech.com/silicone-powder/] is not only suitable for PEEK, but also widely used in other special engineering plastics, etc. In practice, this series of products have a wealth of successful cases, if you are looking for high-performance plastics processing aids, you can contact SILIKE.
Chengdu Silike Technology Co., Ltd, a chinese leading Silicone Additive [https://www.siliketech.com/products/] Supplier for modified plastic, offer innovative solutions to enhance the performance and functionality of plastic materials. Welcome to contact us, SILIKE will provide you with efficient plastics processing solutions.
Contact us Tel: +86-28-83625089 or via email: amy.wang@silike.cn
website: www.siliketech.com [https://www.siliketech.com/] to learn more.
Media Contact
Company Name: Chengdu Silike Technology Co., Ltd.
Email:Send Email [https://www.abnewswire.com/email_contact_us.php?pr=peek-products-have-black-spot-what-is-the-reason-silicone-powder-how-to-improve-peek-products-black-spot-problem]
Country: China
Website: https://www.siliketech.com/
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