Overview
Acrylic sheet, or polymethyl methacrylate (PMMA), is a versatile thermoplastic prized for its glass-like clarity and superior durability. Unlike glass, it is shatter-resistant and half as heavy, making it ideal for applications requiring safety and ease of handling. Developed in the early 20th century, acrylic sheets are now widely used in industries ranging from construction to retail. Manufactured through polymerization of methyl methacrylate monomers, acrylic sheets are available in extruded or cast forms. Cast acrylic offers higher optical quality and is preferred for precision applications, while extruded acrylic is more cost-effective for large-scale projects. Both types exhibit excellent weatherability, retaining clarity and color stability even under prolonged UV exposure.
Physical and Chemical Properties
Acrylic sheets boast 92% light transmittance, surpassing standard glass (80-90%). Their refractive index of 1.49 makes them suitable for lenses and optical devices. The material’s tensile strength ranges from 50-77 MPa, with a modulus of elasticity of 2.0-3.2 GPa, ensuring structural stability under load. Chemically, PMMA resists dilute acids, alkalis, and aliphatic hydrocarbons but degrades upon contact with alcohols, ketones, and chlorinated solvents. Its thermal properties include a Vicat softening point of 95-105°C, limiting continuous use above 80°C. Unlike polycarbonate, acrylic maintains clarity without yellowing over time, though it is more prone to scratching.
Main Applications
In construction, acrylic sheets serve as lightweight, impact-resistant alternatives to glass for skylights, partitions, and noise barriers. Their UV resistance makes them popular for outdoor signage and stadium seating covers. The automotive industry uses them for tail lights and instrument panels due to their moldability and optical clarity. Retail displays leverage acrylic’s glossy finish for product showcases, while aquariums benefit from its shatterproof properties. Specialty applications include medical devices (e.g., incubators) and greenhouses, where its light diffusion properties promote plant growth. Recent innovations include anti-reflective and anti-static coatings for electronic displays.
Safety and Storage
While non-toxic in solid form, acrylic emits methyl methacrylate fumes when laser-cut or heated above 300°C, requiring proper ventilation. Dust from machining should be controlled to prevent respiratory irritation. Storage recommendations include horizontal stacking with protective interleaving to prevent surface abrasion. Fire safety precautions are critical: acrylic is rated HB (slow burning) under UL94 standards but produces dense smoke when ignited. For high-temperature environments, flame-retardant grades with additives like antimony trioxide are available. Always transport sheets in protective film to minimize scratches and chemical exposure.
B2B Procurement Guide
When sourcing acrylic sheets, prioritize suppliers who provide material certifications (e.g., ISO 7823 for cast acrylic). Specify thickness tolerances (±10% for extruded, ±5% for cast) and opt for UV-stabilized grades (e.g., containing benzotriazoles) for outdoor use. Bulk orders typically reduce costs by 15-30%. Inspect for defects like bubbles or uneven edges, which indicate inferior manufacturing. For customized shapes, CNC routing services from the supplier can minimize waste. Lead times vary: standard sheets ship in 1-2 weeks, while colored or textured variants may take 4-6 weeks. Negotiate MOQs (minimum order quantities) based on project scale—commonly 50-100 sheets for wholesale pricing.
Related Manufacturers
- 主营：超细硅酸铝粉、硅藻土、膨润土、透明粉、高岭土、滑石粉、彩砂、白炭黑、金刚砂、石墨、海泡石、木粉、轻钙、重钙、玻璃粉、贝壳粉、凹凸棒土、玻璃鳞片、陶土、铝矾土、火山岩、电气石粉、合成云母、赤铁粉
- 主营：GF增强POM、工程料PPA、陶氏热熔胶、透明尼龙、增韧剂POM、耐磨 PTFE细粉、电绝缘TPV、PVDC阻隔乳液、杜邦超韧尼龙、杜邦PTFE乳液、无卤阻燃尼龙、注塑级POM、分散液PTFE、陶氏沙林树脂、抗UVPOM、EEA热熔胶、铁氟龙乳液、耐寒尼龙ST801、耐刮花PC、热塑性弹性体TPV、陶氏增韧剂、金属粘合剂、马来酸酐接枝、尼龙pa66、导电PC塑料
- 主营：地坪漆、环氧底漆、醇酸底漆、丙烯酸烤漆、醇酸油漆、水性彩钢瓦、防火钢结构、道路划线漆、环氧自流平、车库划线漆、马路划线漆、醇酸调和漆、游乐场塑胶、钢构醇酸漆、金属防锈漆、环氧工业漆、工业防腐漆、彩钢水性工业、环氧富锌底漆
- 主营：PP喷涂UV树脂、PET真空镀UV树脂、抗污抗涂鸦UV树脂、6官聚氨酯丙烯酸酯、聚氨酯丙烯酸酯、PS真空电镀UV树脂
- 主营：乙酸镁、阻燃剂、热熔胶、聚合物、锂电池、光电极、泡泡糖、氯丁胶、碳酸镉、新癸酸、补差价、稀释剂、羟乙基、氧化铝、氧化铜、甲酸钾、c/c材料、碳酸锰、玻璃粉、硬光油、防腐剂、氧化铋、防水剂、聚丙烯、增粘树
- 主营：[]
- 主营：减磨剂、防锈剂、添加剂、丙烯酸、润滑剂、抗腐剂、抗氧剂、改进剂、清净剂、极压剂、色墨油墨、金属钝化剂、无灰分散剂、聚氨酯乳液、聚氨酯树脂、复合油墨树脂、高分子化合物、润滑脂拉丝剂、润滑油破乳剂、膜强度增强剂、润滑油增稠剂、润滑脂增粘剂、导热油复合剂、硫化烷基酚钙、活塞环释放剂
- 主营：胆酸、半叶素、二羟基吲哚、缩合剂、生物缓冲液、表面活性剂、硅烷偶联剂、L-丙交酯、光电材料中间体、精细化工
- 主营：玻璃砂、研磨玻璃珠、喷砂玻璃微珠、透明粉、玻璃粉、玻璃鳞片、负离子液、硅微粉、空心玻璃微珠、反光粉、反光玻璃微珠、电气石、氧化铈抛光粉、酒瓶玻璃珠、玻璃球、玻璃微珠、除醛液、玻璃珠
- 主营：水溶性树脂、水性丙稀酸树脂、水性聚氨酯树脂、水性羟基丙烯酸乳液、丙烯酸、醇溶性丙烯酸树脂、水性木器漆助剂、水性树脂、水性聚氨酯、聚氨酯、水溶性硅丙树脂、水性固化剂、水性改性环氧固化剂、多重交联剂
- 主营：塑胶原料、poe、pp、pc、pom、pc/abs、eva、abs、pvdf、tpu、tpe、tpee、pps、sk、陶氏、三井、PA6、PA66、PA46
- 主营：pet薄膜、聚酯薄膜、s10、pet料透光率、t60、x30、h10、py、薄膜、分切、覆膜、离型膜、保护膜、光学膜、超薄膜、涂布膜、涂层膜、耐温膜、抗静电膜、车衣膜、窗膜、电容膜
- 主营：膨胀性防火乳液、巴斯夫乳液7623、塞拉尼斯乳液1418、丙烯酸背水涂防水乳液、消光剂DA32、巴斯夫乳液S400F、防水剂BS1306、奥沙达杀菌剂GXL、卡松LXE、奥沙达防腐剂CMC、水泽化学、奥沙达杀菌剂 GPL、塞拉尼斯乳液1490、竹本油脂引气剂、脱膜剂、杀菌剂 102、索尔维 AAEMA、艾迪科增稠剂、塞拉尼斯乳液1369、西卡阻锈剂、塞拉尼斯乳液1475、虹石乳液550、虹石乳液330、阻尼乳液、防腐剂
- 主营：耐高温油漆、耐高温涂料、氟碳漆、丙烯酸油漆、丙烯酸漆、丙烯酸聚氨酯漆、金属氟碳漆、耐高温漆、ral油漆、金属漆、塑胶漆、荧光漆、砂纹漆、桔纹漆、塑料漆、磨砂漆、防腐漆、耐热漆、银粉漆、劳尔油漆涂料、色浆、聚氨酯漆、有机硅耐高温漆
- 主营：聚乙烯蜡、色母分散剂、润滑剂、乙烯丙烯酸共聚物、加工助剂