What is red solid cast acrylic board
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What is red solid cast acrylic board
Red solid cast acrylic sheet is a completely opaque PMMA sheet with a bright red appearance made from MMA (methyl methacrylate) monomer through casting molding process. Unlike extruded sheets, which are formed by high-temperature melting and extrusion of granular materials, cast sheets are made by directly injecting liquid MMA monomers into glass molds and polymerizing them, just like "solidifying the liquid in the mold", giving the sheet extremely high molecular weight and excellent mechanical properties.
Solid "refers to the completely dense and bubble free cavity inside the board, which is different from products with certain transparency such as transparent boards and semi transparent boards. The red color of the red solid cast acrylic board is achieved by precisely adding high-quality red pigments during the polymerization process. The color is pure and full, with strong coverage, and the back is opaque. There is no color difference from left to right or top to bottom.
Red has a high degree of recognition in industrial products, display props, and decoration fields, often used as the main color of brand logos, the core element of outdoor warning signs, and the lampshade material of red lamps. As a cast product, red solid acrylic board can still maintain its bright color even after long-term outdoor use - some high-quality brands promise no significant fading for 8 to 10 years of outdoor use.
The specification system of red solid cast acrylic board is very mature, which can meet various needs from small handicrafts to large-scale engineering projects:
1. Thickness specifications
Common Thickness Grades Applicable Scenarios
Thin sheet 1mm, 1.8mm, 2mm, 2.5mm, 3mm acrylic letters, display signs, small lampshades
Medium thick plate 4mm, 5mm, 6mm, 8mm furniture decorative panel, advertising light box panel
10mm, 12mm, 15mm, 20mm thick outdoor signage, industrial cover
Special structural applications for 25mm, 30mm, and 50mm ultra thick plates
The standard thickness range is 1mm to 50mm, and some manufacturers can customize it to 1-300mm or even thicker. For structural components such as large outdoor signs or aquariums that require load-bearing capacity, it is recommended to use thick plates of 8mm or more.
2. Size specifications
Standard size width x length
1220 × 2440mm (4 feet × 8 feet) best-selling universal size
1220 × 1830mm (4 feet × 6 feet) Common standard dimensions
Specification of 1500 × 3000mm large board
1250 × 1850mm/1250 × 2450mm Other commonly used sizes
1220 × 2440mm is the largest shipped specification on the market, suitable for most application scenarios such as lightbox panels, billboards, display stands, etc. Other customizable sizes include 1020 × 2020mm, 1150 × 1970mm, 1250 × 2450mm, 1520 × 2120mm, 2050 × 3050mm, etc.
3. Density and optical indicators
The density of red solid cast acrylic sheet is 1.19-1.20g/cm ³, which is about half lighter than glass of the same thickness. The tensile strength is ≥ 70MPa, the impact resistance is 6-17 times that of ordinary glass, the thickness of the red layer is uniform, and there is no residual coloring throughout the body.
The reason why red solid cast acrylic sheet is popular in the market is due to its several outstanding characteristics:
1. Pure and full color, uniform color without color difference
The red solid board uses high-quality pigments to evenly disperse during the polymerization stage of the body, ensuring that the red color is completely consistent from left to right and from top to bottom, without the problem of uneven thickness that is prone to surface spraying. The red layer has strong coverage and is completely opaque. There is no trace of light passing through the back, and it can present a full red effect under different light sources. The light resistance level usually reaches level six or above, and it is not easy to fade under strong outdoor light.
2. Excellent physical properties
The impact resistance of the red cast plate is 7 to 18 times that of ordinary glass, and it is not easily shattered even under force. Even if it is damaged, it will not form sharp fragments, greatly improving the safety of use. At the same time, the casting process endows the board with the advantages of high molecular weight and good rigidity, making the red solid board have excellent rigidity, strength, and excellent chemical resistance, not easily bent or deformed, and structurally stable for long-term use.
3. Weather resistance and UV resistance
The casting board has completed structural polymerization and added light stabilizers during the processing, with extremely high strength and UV protection function, and strong adaptability to natural environments. The red cast board made of brand new materials will remain bright and new even after being used outdoors for more than 5 years, and some high-quality products can promise to remain colorfast for 8 to 10 years outdoors.
4. Excellent processing adaptability
Red cast boards are suitable for mechanical processing (cutting, drilling, carving) and thermoforming processing (hot bending, vacuum forming). After processing, the edges are smooth, transparent, and free of blemishes, and no additional treatment is needed to maintain their appearance.
5. Safety and Environmental Protection
Acrylic material itself is non-toxic, even in long-term contact with humans, it is harmless, and the gas produced during combustion does not contain toxic components. The red solid casting board is produced using high-quality MMA pure raw materials, which comply with environmental standards, and the waste materials can be recycled.
There is strong competition and substitution between red solid cast acrylic board and the following materials:
Comparison Dimension: Red Solid Casting Board, Red Extrusion Board, Red Glass, Red PVC Foam Board
Transparency Solid Opaque Solid Opaque Translucent/Fully Transparent Opaque
Extremely high impact resistance (glass 7-18 times), high brittleness (fragility), moderate
Lightweight (about 1.2g/cm ³), light to heavy (about 2.5g/cm ³), extremely light
Surface hardness moderate (about 2-4H), medium high (scratch resistance), low
Excellent outdoor weather resistance (5-10 years), average (prone to aging), excellent poor (prone to deformation)
Processing difficulty: easy to process, hot bendable and easy to process, easy to hot bend but difficult to process, easy to cut
Excellent color stability (overall coloring), good, generally average
Medium to low cost, relatively high to low
Red cast board vs red extruded board: The cast board has a transparency of over 98% (for transparent boards), with higher uniformity of solid color and smooth, transparent edges without any blemishes; The extruded board has a lower molecular weight, slightly weaker mechanical properties, and may have pockmarks on the edges, resulting in poor outdoor weather resistance.
Red cast board vs red glass: Red acrylic board has a transparency of up to 97%, impact resistance 17 times that of ordinary glass, and weighs only half of glass; Red glass has a higher hardness, but it is not suitable for situations with collision risks.
Q1: Will red solid cast acrylic board fade?
Fading mainly depends on the quality of the board. If new materials are used and high light resistant red pigments are added, the fading speed of the red color is very slow, and it will still be as bright as new after more than 5 years of outdoor use. The fading of the color palette is mainly related to the light resistance, oxygen resistance, heat resistance of the color powder, as well as the characteristics of the resin used.
Q2: How to distinguish between red solid casting board and extruded board?
From the edge observation - the edges of the casting board are smooth, transparent, and free of blemishes, with uniform color at the edges; The edges of the extruded board may have pockmarks or turn yellow and black. In addition, when cutting casting boards, there is less odor and smoke, while when cutting extruded boards (especially those containing recycled materials), there is more odor and smoke. From the perspective of color uniformity, the red color of the casting plate is completely consistent from left to right and from the surface to the interior, with a consistent overall coloring; Some low-end extruded boards may have uneven surface color distribution issues.
Q3: Why does red acrylic board turn black?
The blackening or darkening of the red board is usually due to the inclusion of black masterbatch impurities (such as residual impurities in the return material), excessive power during laser cutting leading to edge carbonization, and chemical changes in the pigment caused by long-term exposure to high temperature environments or ultraviolet radiation. It is recommended to choose high-quality products produced with 100% brand new materials when purchasing.
Q4: Is red acrylic board easy to scratch?
The surface hardness of red acrylic sheet is comparable to that of aluminum, and it belongs to a relatively hard type in plastics, but it is still more susceptible to scratching by hard objects compared to glass. It is recommended to keep the protective film during processing and installation, and remove it before use. Mild scratches can be repaired by polishing.
Q5: Can red solid casting board be used in food contact situations?
The red acrylic board itself is non-toxic, but it is necessary to confirm whether the supplier provides a food grade certification report. When used in food display scenarios, it is recommended to choose products that comply with relevant food contact material standards.
Our factory specializes in producing high-quality red solid cast acrylic sheets, with the following core advantages:
100% brand new material production: using international brand PMMA brand new raw materials for production, without adding any recycled materials. The pure new material board has excellent UV resistance, with no yellowing, fading, loss of luster, or cracking for at least 5 years; The recycled material board will visibly turn yellow outdoors within six months at most.
Whole body coloring process: The red pigment is uniformly dispersed inside the board during the polymerization stage, achieving a "whole body red" color. Unlike low-end products with surface coating, our red board maintains the same pure red color even after deep carving and processing, and the back is completely opaque.
High light resistance level: High quality red pigments with a light resistance level of seven to eight are selected, which remain bright even after long-term use under strong outdoor light, far superior to ordinary red boards with a light resistance level of four or below.
Complete specifications, customized according to needs: covering a full range of thicknesses from 1mm to 50mm, with standard sizes of 1220 × 2440mm and 1220 × 1830mm, supporting customized processing of any size and shape.
One stop processing service: equipped with high-precision CO ₂ laser cutting machine (cutting accuracy ± 0.01mm), CNC machining center and hot bending forming equipment, supporting the full process of cutting, engraving, drilling, hot bending, silk screen printing and other processing.
High quality and stable price: With over ten years of industry experience, stable raw material supply channels, and a sound production management system, we ensure competitive product prices, stable and reliable quality, and provide comprehensive after-sales support.
| product type | pet、ps、acrylic、acrylic mirror、pvc sheet,acrylic sheet |
| thickness | 0.35-300mm |
| Styles | 1220*2440,1220*1830,500*900,50*60,960*1950,700*900/Customization of various specifications and sizes |
| delivery time | 5-8day |
| manufacture | Yifang |
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