91传媒久久久蜜桃-亚洲精品日韩精品-欧美日韩亚洲三区-亚洲欧美日本免费-亚洲女人自慰精品久久久自慰-亚洲产国偷V产偷√自拍网址,国产精品成人99久久久久_国产午夜无码片免费_四虎精品影库4HUTV四虎_国产激情久久久久影院 ,性少妇VIDEOSEXFREEXXXX片/小少妇BBBBBBBBBBBB/四川少妇BBW搡BBBB槡BBBB/四川少妇搡BBW搡BBBB/嫩BBB槡BBBB槡BBBB/特级BBBBBBBBB成人片/另类老妇奶性生BBwBBw/女BBBB槡BBBB槡BBBB ,高清欧美性猛交XXXX黑人猛交,欧美乱妇日本无乱码特黄大片,中文亚洲äv片在线观看不卡,欧产日产国产水蜜桃,欧美与黑人午夜性猛交久久久,亚洲äV无码久久精品色欲

Bright large particle glass bead

After construction, the exposed part of the coating surface is higher than that of the common surface, so the reflective performance of the marking is improved, especially for the road marking in rainy and foggy areas. Double layer bags shall be used for

  • Product Name:bright large particle glass bead
  • Appearance:colorless, transparent, without obvious bubbles and impurities
  • Roundness:≥ 90%
  • Reflectivity:Nd ≥ 1.50
  • Density:2.4-2.6g/cm3
  • Main components:SiO2 content > 68%
  • Size range:850-1400 μ M

After construction, the exposed part of the coating surface is higher than that of the common surface, so the reflective performance of the marking is improved, especially for the road marking in rainy and foggy areas.

Bright large particle glass bead

Appearance: no color transparent sphere, smooth and round, no obvious bubbles or impurities;

Particle size: 850-1400 μ M

Rounding rate ≥ 90%;

Density: 2.4-2.6g/cm3;

Refractive index: Nd ≥ 1.50;

Glass composition: calcium sodium glass composition, SiO2 content > 68%;

Water resistance: the consumption of 0.1N hydrochloric acid is 10ml, and the surface of glass bead is not dark;

Coating performance: after soaking in water for 30 seconds and drying at room temperature for 2 hours, it can pass through the funnel smoothly.


Packing:

Double layer bags shall be used for packaging. The inner bag shall be polyethylene film with thickness not less than 0.5mm. The outer bag shall be plastic woven bag to prevent leakage and moisture. Net weight of each bag 25 ± 0.2kg


绍兴县| 滁州市| 浦北县| 津市市| 万源市| 屏东市| 贵阳市| 道孚县| 汉寿县| 威宁| 亚东县| 台东市| 洛宁县| 兴义市| 德州市| 英山县| 长丰县| 乌恰县| 分宜县| 武鸣县| 获嘉县| 汉川市| 海淀区| 宜昌市| 麻阳| 宁波市| 汝州市| 通州区| 台州市| 锦州市| 河北区| 普定县| 百色市| 红河县| 阿克苏市| 和顺县| 邳州市| 兴城市| 运城市| 宜宾市| 溆浦县|