玻璃之家:玻璃微珠标准

   更新日期:2019-09-18     来源:建材之家    作者:地板之家    浏览:50    评论:0    
核心提示:740.10 Glass Beads. Inspection shall be done at the project site. Random samples shall be obtained from material delivered to the project site, or at other locations designated by

幕墙玻璃可选LOW-E中空玻璃

推荐简介:一种名为LOW-E的低辐射中空镀膜玻璃,具有保温、避免反射光污染诸多优点,因而被称为绿色、节能、环保建材。目前我国建筑能耗占全社会总能耗27%以上,而玻璃门窗造成的能耗占到了建筑能耗的40%左右,LOW-E玻璃的大量运用,将会改变高能耗。其对远红外热辐射的反射率很高,冬季,它对室内暖气及室内物体散发的热辐射,可以像一面反射镜一样,将绝大部分反射回室内,保证室内暖气不向外散失,从而节约取暖费用。夏季......
玻璃之家讯:740.10 Glass Beads. Inspection shall be done at the project site. Random samples shall be obtained from material delivered to the project site, or at other locations designated by the laboratory.

Type A. Glass beads for traffic paint shall conform to Supplement 1008 and to AASHTO M 247, Type 1 without flotation properties but coated for moisture resistance, with the following exception: 4.5 Flotation Test - Not applicable.

Type B. Glass beads for polyester marking material shall conform to AASHTO M 247, Type 1 with 50 ?5 percent flotation coating and 50 ?5 percent moisture resistant coating to be retained on each sieve, with the following exception: 4.5 Flotation Test. The Minimum percent floating shall equal 90 of flotation coated beads or 40.5 percent of total mixture. Glass beads for polyester marking material shall be packaged in bags designated "POLY".

Type C. Glass beads for thermoplastic material. Glass beads inter mixed or dropped on thermoplastic pavement marking material shall meet the following specification:

Sieve No. Percent Retained
1.18 mm (16) 3 Max
850 祄 (20) 5 to 20
425 祄 (40) 65 to 95
300 祄 (50) 0 to 5

Refractive Index: 1.50 to 1.60
Roundness: 80% Min.
Coating: Adhesion Promoting
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