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Basic innovation PC945-NC plastic raw materials and domestic alternative brands

1. PC945-NC is a plastic raw material produced by SABIC Innovative Plastics Company.

2. Basic innovation PC945NC plastic raw material is a high-performance polycarbonate material. Domestic alternative brands can choose Covestro's PC FR 7945. The following is a detailed introduction to these two materials: Basic innovation PC945NC Plastic raw material Application field: Widely used in aerospace, automotive parts, electronic and electrical components and other fields. Main characteristics: Translucent, halogen-free flame retardant: It has excellent flame retardant properties while maintaining the translucency of the material.

3. In order to replace Saudi Arabia's basic SABIC LEXAN945 transparent polycarbonate (PC) resin, a number of domestic alternative brands have appeared on the market, including but not limited to Covestro's PC FR7945 product.

high-flow pc flow coefficient

The flow coefficient of high-flow PC is quantified by melt index (MI) or melt flow rate (MFR)Will pc melt index be high, the value is usually above 15 MI, and the higher the value, the better the liquidity. The following is a specific explanationWill pc melt index be highIn the field of engineering plastics, the flow properties of PC (polycarbonate) are usually characterized by melt flow rate (MFR) or melt index (MI), rather than the formation flow coefficient formula (K×H/μ).

Teijin Panlite L-1225: This is a typical PC plastic with low viscosity and high fluidity.

High cavity pressure is required to ensure complete mold filling during molding, and the coefficient range is 80~150bar. Among them, glass fiber reinforced PA66 reduces melt fluidity due to glass fiber strengthening, and the coefficient is 100 - 150barWill pc melt index be highIn order to avoid internal stress, transparent PC products are usually taken at 80 - 120bar.

At present, there are 11 mainstream PC/ABS high-flow models on the market, and their applications cover automotive, electrical appliances, electronic casings and other fields. They can be selected according to brand and characteristics. Germany's Bayer Series C7240: It combines the dual characteristics of PC and ABS, with a shrinkage rate of about 0.5%. It is suitable for scenarios requiring precision forming such as casings and washers.

- Test standard: Measured using ASTM D1238 or ISO 1133 specifications.② Apparent viscosity reflects the internal friction resistance of the melt (unit: Pa·s) and is closely related to temperature and shear rate. - Application scenarios: Low-viscosity PC/ABS alloy can reduce flash defects in high-speed injection molding, while high-viscosity nylon is more suitable for forming thick-walled parts. - Test equipment: Capillary rheometer can simulate the viscosity curve under shear rate gradient changes.

Conversely, PC materials with high flow rates can be used, which can optimize the injection molding process. PC plastic raw material is a new type of thermoplastic with a transparency of 90%. It is known as a transparent metal. It is rigid and tough, has high impact strength, high size stability, wide range of service temperatures, good electrical insulation properties, heat resistance and non-toxicity, and can be molded by injection and extrusion.

What is PC material?

1. --PC (polycarbonate), hot water cannot be filled. It is common in kettles, space cups, and milk bottles. Department stores often use water cups made of this material as gifts.

2. PC material, namely polycarbonate material, is a tough thermoplastic resin that has the characteristics of colorless and transparent, heat resistance, impact resistance, flame retardant, high refractive index, and good processing performance. However, it also has disadvantages such as being susceptible to organic solvent erosion and easy yellowing through long-term ultraviolet exposure. The following is a specific introduction: Basic Characteristics Physical Characteristics: PC material is a colorless and transparent solid with a light transmittance of 89%, which is close to the transparency of inorganic glass.

3. PC material, namely polycarbonate material, is a tough thermoplastic resin. The following is a detailed introduction to PC materials: Basic characteristics Physical properties: PC materials are colorless and transparent, have high light transmittance (close to inorganic glass), and have a high refractive index, which can meet the needs of optical components. It has excellent impact resistance, which is 250-300 times that of ordinary glass, and has strong resistance to thermal distortion, and the thermal deformation temperature can reach 130-140℃.

What is the difference between pc material and abs material

The material differences between ABS and PC are mainly reflected in the following aspects: Composition and structure: ABS is produced by copolymerization of three monomers: acrylonitrile, butadiene and styrene. PC is a thermoplastic resin formed by the condensation reaction of bisphenol A and phosgene. Performance characteristics: ABS material has good comprehensive properties, including high strength, toughness and heat resistance, and is easy to process.

Different materials The scientific name of PC material is polycarbonate, which is a thermoplastic with high transparency and gloss. The ABS material, whose scientific name is acrylonitrile-butadiene-styrene copolymer, is a mixed material with a matt color. Performance characteristics Characteristics of different PC materials: It has good impact resistance and high strength. With good transparency, products with high transparency can be made.

Different application fields: The outstanding feature of ABS material is that the surface can be plated, vacuum coated, printed, painted and painted, while PC material is the best impact-resistant plastic, but its products are easy to crack and have low fatigue strength. Different material properties: PC is an engineering plastic with a high price and has the advantages of transparency, high impact resistance, high temperature resistance and high size precision. However, it also has the weaknesses of difficulty in forming and strong internal stress.

PC, polycarbonate, has impact resistance, thermal distortion resistance, strong weather resistance and high hardness. ABS, acrylonitrile-butadiene-styrene copolymer, has the characteristics of high strength, good toughness and easy processing and forming. The following are the advantages and disadvantages of different materials: ABS trolley case: New material, popular and fashionable, light, flexible and rigid, with good impact resistance, strong ability to protect objects, easy to clean, but easy to scratch.

The main differences between PC materials and ABS materials are cost, performance and application fields. ABS materials are more popular because of their lower cost, but have a higher melt index and better flow, but have poor aging resistance. In contrast, PC materials have better hydrolysis resistance, and their heat resistant temperature can reach about 130℃, while ABS materials have a heat resistant temperature of only 80℃. Despite this, the overall performance of pc materials is slightly better.

PC materials products! Is the higher the melt index, the more resistant to hydrolysis

Transesterification reaction: The compatibility between PC and ABS will change slightly due to re-heating, and may also affect the fluidity. Therefore, the simple use of nozzle materials will result in a higher melt index than the original new material.

The main differences between PC materials and ABS materials are cost, performance and application fields. ABS materials are more popular because of their lower cost, but have a higher melt index and better flow, but have poor aging resistance. In contrast, PC materials have better hydrolysis resistance, and their heat resistant temperature can reach about 130℃, while ABS materials have a heat resistant temperature of only 80℃. Despite this, the overall performance of pc materials is slightly better.

Is it better to use pc or abs for fan blades? PC or ABS material is better for fan blades. These two materials have their own advantages and disadvantages. The most significant thing is that ABS is cheaper than PC. ABS has a higher melt index than PC, has good fluidity, and ABS is not resistant to aging. PC is not resistant to hydrolysis, PC is resistant to heat about 130 degrees, ABS is resistant to heat 80 degrees, and the overall performance of PC is better. There are two materials, one is made of iron and the other is made of plastic.

When selecting fan blade materials, PC materials are generally considered to be superior to ABS. ABS (acrylonitrile-butadiene-styrene copolymer) has a higher melt index, which means it has better fluidity, but it is not as durable as PC over long-term use. On the other hand, PC (polycarbonate) is not resistant to hydrolysis, but its heat resistance can reach about 130 degrees, while ABS has a heat resistance of 80 degrees, so PC performance is more stable in high temperature environments.

High molecular weight resin has high toughness, with a notched Izod impact strength of 600 - 900J/m; a flexural modulus of more than 2400MPa, which can be processed into large rigid products; below 100°C, under load The creep rate is very low. Thermal properties: The heat deformation temperature of unfilled grades is about 130°C. Glass fiber reinforcement can increase this value by 10°C.

PC material is polycarbonate material, which is a colorless and transparent amorphous thermoplastic polymer. The following is the detailed chemical structure of PC material: PC is the English abbreviation of polycarbonate, which refers to a polymer containing carbonate groups in its molecular chain. Physical and chemical properties: Resistance to weak acids, weak bases, and neutral oils. It is not resistant to ultraviolet light and will turn yellow after long-term exposure to ultraviolet light. Not resistant to strong alkali.

Does the melt index of pcabs filling nozzle material change?

1. The melt index of PC/ABS filler material does changeWill pc melt index be high, usually manifested as an increase in the Melt Flow index (MFI). Core changes and reasons The increase in melt index is mainly experienced by nozzle materialsWill pc melt index be highDue to thermal history. Nozzle material is produced during injection moldingWill pc melt index be highrecycled materials such as runners and gates, which has been experiencedWill pc melt index be highA processing process of heating, shearing and cooling is performed.

2. Control the injection molding cycle to be consistent, which is conducive to the precision and stability of optical plastic parts. Adjust parameters such as pre-forming drying, mold heating, and forming processing temperature according to material characteristics (such as moisture absorption, molecular weight, and fluidity). To sum up, infrared penetrating polymer materials PC, PMMA, ABS, PET and other special optical plastics have wide application prospects and technical advantages in many fields.

3. Dark spots appear near the gate, like a dim solar halo. This is particularly evident when producing plastic products with high viscosity, low flow materials, such as PC, PMMA or ABS. This visible defect may appear on the surface of the product when the cooled surface layer resin is carried away by the resin flowing in the center. It is generally believed that this defect occurs frequently during the mold filling and pressure holding stages. In fact, dark spots appear near the gate, usually at the beginning of the injection cycle.

4. ① If the temperature is high, the fluidity increases, but different plastics are also different. PS (especially those with high MFR values), PP, PA, PMMA, modified polystyrene (such as ABS, AS), PC, CA and other plastics change greatly with temperature. For PE, POM, temperature increase and decrease have little effect on their flowability. Therefore, the former should adjust the temperature to control the fluidity during forming.

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