尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情
China UV Absorber UV-328 - China Supplier
China UV Absorber UV-328 - China Supplier China UV Absorber UV-328 - China Supplier

UV Absorber UV-328

Price:Negotiable
Industry Category: Chemicals/Catalysts & Additives/Anti-Aging Agents
Product Category:
Brand:
Spec:
Contact Info
  • Add:中國(guó)浙江省杭州市朝暉路203號(hào)深藍(lán)廣場(chǎng)708室, Zip: 310006
  • Contact: 潘先生
  • Tel:0571-85891093、88226505、85890191、88226608
  • Email:pxp@dishengchem.com

Other Products

Description
Additional Information

UV AbsorberUV-328

Chemical Name2-(2',5'-Di-tert-pentylphenyl)benzotriazole
Chemical FormulaC22H29N3O
Chemical Structure Diagram
CAS NO.25973-55-1
Molecular Weight351.5
Quality SpecificationsAppearanceLight yellow powder or cylindrical granules
Content≥99%(HPLC)
Melting Point79-87 oC
Ash Content≤0.1%
Volatile Matter≤0.5%
Transmittance460 nm≥96%   500 nm≥97%
Features and Applications
  1. This product is a highly effective UV absorber that efficiently absorbs ultraviolet light in the range of 270-340 nanometers;
  2. Its light stabilization performance is similar to UV-326 and UV-327, but it offers better compatibility with resins, lower thermal volatility, and higher wash resistance;
  3. This product is suitable for polymers such as polyolefins (especially polyethylene), polyesters, styrenic polymers, polyamides, polymethyl methacrylate, polycarbonate, elastomers, etc.
Recommended DosagePolystyrenePolyethylenePolyesterPolyvinyl ChloridePolycarbonate
0.2-0.5%0.2-0.4 %0.3-0.5%0.2-0.5 %0.15-0.3%
Packaging20KGcarton/fiber drum


Industry Category Chemicals/Catalysts & Additives/Anti-Aging Agents
Product Category
Brand:
Spec:
Stock:
Origin: China / Zhejiang / Hangzhoushi
About Toocle.com　-　 Toocle Partnership　-　 Toocle Services　-　 Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營(yíng)性-2023-0192
ChatGlobal Chat Now 抚松县| 武安市| 稻城县| 南皮县| 清苑县| 邵阳市| 兰考县| 齐齐哈尔市| 谷城县| 安平县| 靖江市| 武胜县| 临邑县| 巴彦淖尔市| 祥云县| 南澳县| 山东| 洛宁县| 舟曲县| 潜江市| 芦溪县| 宜丰县| 娱乐| 且末县| 岳阳市| 施甸县| 名山县| 鄂伦春自治旗| 调兵山市| 西丰县| 凤凰县| 理塘县| 瑞金市| 佛学| 那坡县| 汾阳市| 芜湖县| 柏乡县| 左贡县| 普安县| 无为县|