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List of contents for this article:
- 1、Which of PC eyeglass lenses and resin lenses is more resistant to scratches and leaves no scars?
- 2、What is the difference between PC lenses and resin lenses?
- 3、What is the difference between PC lenses and resin lenses?
- 4、What are the characteristics of PC material in Laoguang glasses lenses?
Which of PC eyeglass lenses and resin lenses is more resistant to scratches and leaves no scars?
PC eyeglass lenses, also known as polycarbonate lenses, are a thermoplastic material. Its chemical name is polycarbonate, and the raw material is heated and shaped into lenses in the solid state. Therefore, if this lens is subjected to excessive heat after being finished, it may also be deformed and is not suitable for use in a high temperature and humid environment.
The shortcomings of resin lenses include: surface wear resistance, chemical resistance is worse than glass, surface is easy to scratch, and water absorption is greater than glass. These shortcomings can be improved by coating methods. The fatal shortcomings are high thermal expansion coefficient, poor thermal conductivity, low softening temperature, and easy deformation and affecting optical performance.
Wear resistance: The wear resistance of uncoated PC lenses is worse than that of ordinary resin lenses. Additional hard multilayer coatings are needed to improve scratch resistance. Price: The price of PC lenses of the same specification is generally 20%-50% higher than that of resin lenses. Scene adaptation guide Typical scenarios for selecting resin lenses: static eye scenes such as daily office, reading, and screen viewing; glasses requiring high visual clarity; general glasses requiring limited budgets.
Irreversible appearance damage may occur after excessive bending or scratching by sharp hard objects. Under low temperature environments, brittleness increases and the surface is easy to scratch. A supporting hard coating is needed to improve wear resistance. Light transmittance: Normally, it is about 88%-91%, and high-end coated models can be increased to about 92%. However, there is a natural risk of slight yellowing, and slight visual yellowing may occur after long-term wear.
What is the difference between PC lenses and resin lenses?
PC lenses are more resistant to drops than resin lenses. They are not easily fragmented when subjected to strong impact, providing greater safety. PC lenses have very good light transmission, with a light transmission rate of 92%, which ensures clarity of vision and is more conducive to eye protection. PC lenses are lighter than resin lenses and provide a more comfortable experience when worn, making them especially suitable for users who wear glasses for a long time.
The main differences between PC lenses and resin lenses are material characteristics, weight, impact resistance and price. Material characteristics PC lenses (polycarbonate) are thermoplastic materials, and resin lenses are thermosetting materials. PC lenses have a denser molecular structure and have an impact resistance that is more than 10 times that of resin lenses. They are often used in sports goggles or children's glasses.
The core difference between PC lenses and resin lenses lies in material characteristics and performance: PC (polycarbonate) is a thermoplastic engineering plastic, and resin (CR-39) is a thermosetting plastic. Material characteristics PC lenses are made of polycarbonate and have high impact resistance (about 10 times that of resin). They are often used in sports goggles or children's glasses.
Weight difference: PC lenses are lighter and are currently the lightest optical lenses. The weight of PC lenses is about 30% lighter than ordinary resin lenses and 50% lighter than glass sheets. Price difference: PC lenses are generally more expensive than resin lenses. Impact resistance: PC lenses have 10 times stronger impact resistance than resin lenses.
Durability Comparison PC lenses (polycarbonate) have an impact resistance that is more than 10 times that of resin lenses. They can withstand greater external forces without rupturing and are suitable for sports or children. The wear resistance of resin lenses is usually better than that of PC, but a wear-resistant layer needs to be added to improve the surface hardness, otherwise it will be easy to scratch.
PC lens: The chemical name is polycarbonate and is a thermoplastic material. That is, the raw material is solid and is heated and shaped into a lens.
What is the difference between PC lenses and resin lenses?
1. Weight difference: PC lenses are lighter in quality and are currently the lightest optical lenses. The weight of PC lenses is about 30% lighter than ordinary resin lenses and 50% lighter than glass sheets. Price difference: PC lenses are generally more expensive than resin lenses. Impact resistance: PC lenses have 10 times stronger impact resistance than resin lenses. PC material has high toughness and viscosity, and is not easy to break, so it has superior impact resistance, more than 60 times stronger than glass sheets.
2. PC lenses are more resistant to falling than resin lenses. They are not easily fragmented when subjected to strong impact, providing greater safety. PC lenses have very good light transmission, with a light transmission rate of 92%, which ensures clarity of vision and is more conducive to eye protection. PC lenses are lighter than resin lenses and provide a more comfortable experience when worn, making them especially suitable for users who wear glasses for a long time.
3. If high-quality resin lenses are treated with anti-blue light, the background color will be more yellow, which is significantly different from the light blue background color of PC lenses. Difference in hand feel and weight The density of PC lenses is lower than that of resin. For lenses of the same degree and size, PC lenses will be lighter, and you can obviously feel lighter when you hold them in your hand.
4. The main differences between PC lenses and resin lenses are material characteristics, weight, impact resistance and price. Material characteristics PC lenses (polycarbonate) are thermoplastic materials, and resin lenses are thermosetting materials. PC lenses have a denser molecular structure and have an impact resistance that is more than 10 times that of resin lenses. They are often used in sports goggles or children's glasses.
What are the characteristics of PC material in Laoguang glasses lenses?
PC material has core advantages such as light weight, strong impact resistance and high ultraviolet protection among Laoguang glasses lenses, but it also has limitations of being easy to scratch and low Abbe number. PC lenses (polycarbonate) have a density of about 2 g/cm, which is lighter than traditional resin lenses (about 3 g/cm) and can significantly reduce the pressure on the bridge of the nose when wearing presbyopic glasses.
PC material has three core characteristics among Laoguang glasses lenses: light weight, strong impact resistance, and built-in power. It is very suitable for daily protection and outdoor activities. The chemical name of the PC lens is polycarbonate, and its characteristics far exceed traditional resin lenses. Safety: Its impact resistance is more than 10 times that of resin lenses. It can effectively prevent the lens from breaking when subjected to external force and provide better eye protection. Therefore, it is often used as the basic material for protective glasses.
Laoguang glasses lens PC refers to a lens made of polycarbonate material suitable for presbyopic eyes. PC is the abbreviation of polycarbonate. This material has extremely high impact resistance. Its impact resistance is more than 10 times that of traditional resin lenses. At the same time, it can also block ultraviolet light by 100% and provide more comprehensive eye protection.
The PC lens marked on Laoguang glasses means that the lens material is polycarbonate. This is a high-performance optical material derived from space technology and is widely used in glasses manufacturing due to its unique properties. Material Characteristics PC lens is a thermoplastic material that was originally used in aerospace and military fields, and was later introduced into the optical lens industry due to its excellent performance.
The PC lens of Laoguang Glasses refers to a lens made of polycarbonate. This material is essentially a thermoplastic engineering plastic. Due to its unique properties, it is now widely used to make various types of eyeglass lenses, especially suitable for scenes requiring high impact resistance.
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