描述

花盒用PMMA颗粒玫瑰用丙烯酸树脂PMMA树脂颗粒婚礼盒用PMMA树脂颗粒

PMMA塑料材料

优良的透明度和优异的耐老化性

PMMA具有重量轻、成本低、易于成型的优点

用于花盒的PMMA颗粒用于玫瑰的丙烯酸树脂用于婚礼盒的PMMA树脂颗粒

产品详细信息

用于花盒的PMMA颗粒玫瑰丙烯酸树脂用于婚礼盒的PMMA树脂颗粒

PMMA具有以下特点
（1）光学性能优异。在所有塑料中，透光率最高。它能穿透99%以上的阳光，比普通玻璃高出10%以上。从大多数紫外光（73.5%的透射率，而普通玻璃只有0.6%）到大多数红外光（2600 nm的透射率极限），光的透射范围很广。PMMA对光的吸收率很低，因此可以用作光的全反射装置
（2）优良的耐候性，即使多年暴露在热带气候下，透明度和颜色变化也极小
（3）室温下的高机械强度和高弹性模量（3000-4000 MPa）
（4）小双折射（约20nm，PC约60nm）
冲击强度不太高，悬臂梁的冲击强度仅为2 J/m，将折射率和PMMA相近的丙烯酸酯橡胶颗粒分散在PMMA中形成聚合物合金，在保持透明的同时，冲击强度可提高数倍（悬臂梁的冲击强度达到50 J/m）
（6）均质PMMA的热变形温度较低，不能满足特殊用途。使用该共聚物，热变形温度可提高10-20℃
（7）表面硬度低（铅笔硬度约2小时）。铅笔的硬度可以达到4-6小时。经过热固化或UV固化的硬质涂层表面硬化后
（8）耐溶剂性不是很好，但易于涂层和粘合
（9）最大吸水率约为2%，这在精密度方面存在问题

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PMMA Granules For Flower Box Acrylic Resin For Rose PMMA Resin Granule For Wedding Box

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PMMA Plastic Material
Excellent transparency and outstanding aging resistance
PMMA has the advantages of light weight, low cost and easy molding.

PMMA Granules For Flower Box Acrylic Resin For Rose PMMA Resin Granule For Wedding Box

Product Details

PMMA granules for flower box Acrylic resin for rose PMMA Resin granule for wedding box

PMMA have the following characteristics.
(1) The optical properties are excellent. The transmittance is the highest of all plastics. It can penetrate more than 99% of the sunlight and is more than 10% higher than ordinary glass. A wide range of light transmission can be transmitted from most ultraviolet light (73.5% transmittance, while ordinary glass is only 0.6%) to most infrared light (2600 nm transmission limit). PMMA has very little absorptivity to light, so it can be used as a total reflection device of light.
(2) Excellent weather resistance, with minimal changes in transparency and colour, even when exposed to tropical climates for many years.
(3) High mechanical strength at room temperature and high elastic modulus (3000-4000 MPa).
(4) Small birefringence (about 20 nm, and PC about 60 nm).
The impact strength is not too high, the impact strength of cantilever beam is only 2 J/m, the polymer alloy formed by dispersing acrylate rubber particles with similar refractive index and PMMA in the PMMA, while maintaining transparency, the impact strength can be increased several times (the impact strength of cantilever beam reaches 50 J/m).
(6) The thermal deformation temperature of the homogeneous PMMA is low and can not meet the special purpose. By using the copolymer, the thermal deformation temperature can be increased by 10-20℃.
(7) Low surface hardness (pencil hardness approximately 2 H). The hardness of pencil can reach 4-6 H. after surface hardening of hard coating cured by heat curing or UV curing
(8) Solvent resistance is not very good, but easy to coating and bonding.
(9) The maximum water absorption is approximately 2 per cent, which is problematic for precision purposes.

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