English name is ACRYLIC ACRYLIC.
It is a kind of chemical material.
Chemical name is called PMMA allyl alcohol, can also be known as through special processing of organic glass
, its history over one hundred years ago.
Yakeli board according to the color classification: ordinary plate are: transparent plate, dyeing transparent board, white board, color plate;
Special plate are: sanitary board, the cloud plate, mirror plate, fabric board, insulating board, impact resistance, flame retardant, such as super wear-resistant plate & hellip;
Yakeli board according to the thickness of classification: 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 15 mm, 18 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm and 60 mm, 80 mm and 100 mm.
Plate area is commonly: 1000 * 1500 mm, 1250 * 1850 mm, 1250 * 2450 mm, 1500 * 2000 mm, 2000 * 3000 mm, 2050 * 3050 mm.
Light transmittance yakeli board according to the classification: for transparent panels, translucent panels (
Including dyeing board transparent board)
Yakeli board according to the performance of classification: there are impact resistant board, uv board, color plate (
Both black and white and color board)
, ordinary and special plate such as high impact plate, flame retardant, grinding plate, sheet metal effect, high wear-resistant plate, guide plate and other yakeli board according to the classification of technology has two kinds: the mould plate and the extrusion plate.
1, the casting plate: high molecular weight, has good stiffness, strength and excellent chemical resistance.
Which is suitable for processing large size logo plaque, relatively a bit long in the process of softening.
This plate is characterized by small batch processing, the color system and the effect of surface texture has the incomparable flexibility, and the product specification is complete, suitable for all kinds of special purpose.
2, extrusion board: compared with the casting plate, extrusion board with low molecular weight, mechanical performance is a bit weak, flexible is quite high.
However, this feature is good for bending and hot forming, softening time is shorter.
When dealing with large size sheet, which is beneficial to all kinds of vacuum forming quickly.
At the same time, the extrusion plate thickness tolerance is smaller than casting slab.
Due to extrusion is autometic large-lot production, color and specifications recuperated inconvenience, so diversity is limited by a certain product specifications.
In addition, as a kind of acrylic
sheet is called back to the material recycled board is to use recycled acrylic scrap, after thermal degradation be regenerated MMA (
After monomer, again by chemical polymerization.
Through strict technological process, be able to get pure MMA monomer, with the new synthesis of monomer, no difference on quality.
But to produce the degradation of monomer, the purity is not high, sheet forming, the quality, performance is very poor.
Conclusion: extrusion using granular material, after high temperature dissolving, extrusion and casting plate made with MMA monomer (
Direct casting molding, although extrusion shape is relatively smooth level off, but because of its in granular material molding to complete the polymerization.
In its structure, performance, processed into sheets with weaker, not suitable for as the material of outdoor logo products, only for crystal word or product support and other indoor products.
Also due to the extrusion most do not have uv protection function, the outdoor use life compared with casting plate, color will be faded and easily embrittlement, until the break.
Casting plate is in the process of plate production complete aggregation structure, meanwhile adding UV absorber, with functions of high strength and UV, outdoor life for more than five years or even 10 years, has been bright color such as new during use.
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