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-320 - China Supplier
China UV Absorber UV-320 - China Supplier China UV Absorber UV-320 - China Supplier

UV Absorber UV-320

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-320

Chemical Name2-(2',5'-Di-tert-butylphenyl)benzotriazole
Chemical FormulaC20H25N3O
Chemical Structure Diagram
CAS NO.3846-71-7
Molecular Weight323.4
Quality SpecificationsAppearanceLight yellow crystalline powder
Purity≥99%(HPLC)
Melting Point152-156 oC
Ash Content≤0.1%
Volatile Matter≤0.3%
Transmittance460 nm≥97%   500 nm≥98%
Features and Applications
  1. UV-320 is a highly efficient light stabilizer with strong UV absorption capacity and low volatility;
  2. It effectively protects polyesters and organic pigments from UV radiation, thereby preserving the original physical appearance of molded objects, films, fibers, etc., in outdoor conditions;
  3. Suitable for polymers such as polyvinyl chloride and unsaturated polyester.
Recommended DosagePolyvinyl ChlorideUnsaturated ResinPolyester
0.25-0.5 %0.2-0.4%0.3-0.5%
Packaging20/25KG carton/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 永安市| 涪陵区| 车致| 济源市| 汕尾市| 庆元县| 额尔古纳市| 山东省| 南皮县| 罗甸县| 库伦旗| 南陵县| 南澳县| 苗栗市| 康保县| 东阳市| 商水县| 宣恩县| 施秉县| 察雅县| 甘孜| 城固县| 张北县| 镶黄旗| 台安县| 张家口市| 榆社县| 车险| 黄大仙区| 和林格尔县| 马边| 揭阳市| 淮南市| 运城市| 合川市| 垣曲县| 海口市| 高邮市| 祥云县| 汤阴县| 米泉市|