{"id":4670,"date":"2021-07-02T09:30:20","date_gmt":"2021-07-02T09:30:20","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4670"},"modified":"2026-04-28T10:41:50","modified_gmt":"2026-04-28T10:41:50","slug":"how-to-choose-sunscreen","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/zh\/how-to-choose-sunscreen\/","title":{"rendered":"\u5982\u4f55\u9009\u62e9\u9632\u6652\u971c\uff1f"},"content":{"rendered":"<h4 class=\"wp-block-heading\">\u708e\u708e\u590f\u65e5\uff0c\u5168\u56fd\u591a\u5730\u9177\u6691\u96be\u8010\u3002\u4f5c\u4e3a\u4e00\u540d\u5316\u5b66\u5de5\u4f5c\u8005\uff0c\u5f53\u7136\u8981\u4ee5\u4e25\u8c28\u7684\u6001\u5ea6\u505a\u597d\u9632\u6652\u5de5\u4f5c\u3002\u90a3\u4e48\u5982\u4f55\u9009\u62e9\u9632\u6652\u971c\u5462\uff1f<\/h4>\n\n<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> A practical UV ink decision usually starts with the printing method and substrate, then checks cure depth, transfer quality, adhesion, and color stability under real line conditions.<\/p>\n<!-- lc-qa-end -->\n\n\n\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image.png\" alt=\"\" class=\"wp-image-4680\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u9996\u5148\uff0c\u4e3a\u4ec0\u4e48\u9700\u8981\u79d1\u5b66\u9632\u6652\uff1f\u56e0\u4e3a\u9633\u5149\u4e2d\u6709\u7d2b\u5916\u7ebf\u3002\u7d2b\u5916\u7ebf\u662f\u7535\u78c1\u6ce2\u8c31\u4e2d\u6ce2\u957f\u5728 100 \u7eb3\u7c73\u5230 400 \u7eb3\u7c73\u4e4b\u95f4\u7684\u8f90\u5c04\u7684\u603b\u79f0\uff0c\u5b83\u4e0d\u4f1a\u5bf9\u4eba\u7684\u89c6\u529b\u9020\u6210\u5f71\u54cd\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u5b83\u5c31\u5728\u9633\u5149\u4e2d\uff0c\u4f46\u4f60\u770b\u4e0d\u5230\u3002\u7d2b\u5916\u7ebf\u4f1a\u5bf9\u76ae\u80a4\uff0c\u5c24\u5176\u662f\u771f\u76ae\u5c42\u9020\u6210\u4f24\u5bb3\u3002\u7d2b\u5916\u7ebf\u6839\u636e\u6ce2\u957f\u7684\u4e0d\u540c\u4e00\u822c\u5206\u4e3a\u4e09\u7c7b\u3001 <a href=\"https:\/\/longchangchemical.com\/zh\/product\/diethylamino-hydroxybenzoyl-hexyl-benzoate-dhhb-uvinul-a-plus-cas-302776-68-7\/\">\u7d2b\u5916\u7ebf<\/a>A\u3001UVB \u548c UVC\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-1.png\" alt=\"\" class=\"wp-image-4681\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u77ed\u6ce2\u7d2b\u5916\u7ebf UVC\uff1a\u6ce2\u957f\u4e3a 100~280 \u7eb3\u7c73\u7684\u7d2b\u5916\u7ebf\u3002\u7d2b\u5916\u7ebf\u5bf9\u751f\u7269\u7684\u5371\u5bb3\u6700\u5927\u3002\u4e0d\u8fc7\uff0c\u8fd9\u79cd\u7d2b\u5916\u7ebf\u4f1a\u88ab\u81ed\u6c27\u5c42\u5438\u6536......\u800c\u4e14\u5f88\u5bb9\u6613\u88ab\u963b\u6321......\u6240\u4ee5\u4e0d\u9700\u8981\u4efb\u4f55\u9632\u62a4\u63aa\u65bd\u4e5f\u53ef\u4ee5\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"37\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-2.png\" alt=\"\" class=\"wp-image-4682\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-2.png 500w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-2-300x22.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e2d\u6ce2\u7d2b\u5916\u7ebf UVB\uff1a\u662f\u6ce2\u957f\u4e3a 280~320 \u7eb3\u7c73\u7684\u7d2b\u5916\u7ebf\u3002\u4e2d\u6ce2\u7d2b\u5916\u7ebf\u5bf9\u4eba\u4f53\u76ae\u80a4\u6709\u4e00\u5b9a\u7684\u751f\u7406\u4f5c\u7528\u3002\u5b83\u66f4\u591a\u5730\u4f5c\u7528\u4e8e\u8868\u76ae\u3002\u7531\u4e8e\u5176\u80fd\u91cf\u8f83\u9ad8\uff0c\u4f1a\u5bf9\u76ae\u80a4\u9020\u6210\u5f3a\u70c8\u7684\u5149\u635f\u4f24\u3002\u7167\u5c04\u90e8\u4f4d\u7684\u771f\u76ae\u8840\u7ba1\u4f1a\u6269\u5f20\uff0c\u76ae\u80a4\u4f1a\u51fa\u73b0\u7ea2\u80bf\u3001\u6c34\u6ce1\u7b49\u75c7\u72b6\u3002\u957f\u671f\u7167\u5c04\u76ae\u80a4\u4f1a\u5f15\u8d77\u7ea2\u6591\u3001\u708e\u75c7\u548c\u76ae\u80a4\u8001\u5316\uff08\u5c31\u662f\u6652\u4f24\uff09\u3002\u56e0\u6b64\uff0cUVB \u4e5f\u88ab\u79f0\u4e3a\u7d2b\u5916\u7ebf\u4e2d\u7684\u6652\u4f24\uff08\u7ea2\u8272\uff09\u90e8\u5206\uff0c\u662f\u5e94\u8be5\u9884\u9632\u7684\u7d2b\u5916\u7ebf\u6ce2\u6bb5\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"37\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-3.png\" alt=\"\" class=\"wp-image-4683\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-3.png 500w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-3-300x22.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u957f\u6ce2\u7d2b\u5916\u7ebf UVA\uff1a\u6ce2\u957f\u4e3a 320~400 \u7eb3\u7c73\u7684\u7d2b\u5916\u7ebf\uff0c\u53c8\u5206\u4e3a UVA-1 \u548c UVA-2\u3002\u957f\u6ce2\u7d2b\u5916\u7ebf\u5bf9\u8863\u7269\u548c\u4eba\u4f53\u76ae\u80a4\u7684\u7a7f\u900f\u529b\u6bd4\u4e2d\u6ce2\u7d2b\u5916\u7ebf\u5f3a\u5f97\u591a\u3002\u5b83\u80fd\u5230\u8fbe\u771f\u76ae\u6df1\u5c42\uff0c\u80fd\u4f5c\u7528\u4e8e\u8868\u76ae\u7684\u9ed1\u8272\u7d20\uff0c\u4f7f\u76ae\u80a4\u9ed1\u8272\u7d20\u6c89\u79ef\uff0c\u76ae\u80a4\u53d8\u9ed1\uff0c\u8d77\u5230\u9632\u7d2b\u5916\u7ebf\u7684\u4f5c\u7528\u3002\u62a4\u76ae\u80a4\u3002\u56e0\u6b64\uff0c\u957f\u6ce2\u7d2b\u5916\u7ebf\u53c8\u88ab\u79f0\u4e3a \"\u65e5\u6652\u6bb5\"\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"37\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-4.png\" alt=\"\" class=\"wp-image-4684\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-4.png 500w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-4-300x22.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u53ef\u89c1\uff0c\u9632\u6b62\u7d2b\u5916\u7ebf\u8f90\u5c04\u5bf9\u4eba\u4f53\u9020\u6210\u7684\u76ae\u80a4\u635f\u4f24\u4e3b\u8981\u662f\u9632\u6b62\u7d2b\u5916\u7ebf UVB \u8f90\u5c04\uff1b\u800c\u9632\u6b62 UVA \u5219\u662f\u907f\u514d\u76ae\u80a4\u6652\u9ed1\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"37\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-5.png\" alt=\"\" class=\"wp-image-4685\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-5.png 500w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-5-300x22.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u56e0\u6b64\uff0c\u4e3a\u4e86\u9632\u6b62\u4e16\u754c\u6bc1\u706d\uff0c\u9632\u6b62\u76ae\u80a4\u53d7\u5230\u7d2b\u5916\u7ebf\u7684\u4f24\u5bb3\uff0c\u4eba\u4eec\u53d1\u660e\u4e86\u9632\u6652\u971c\u3002\u5927\u5bb6\u5e94\u8be5\u90fd\u6ce8\u610f\u5230\u4e86\u9632\u6652\u971c\u4e0a\u7684 SPF\uff08\u9632\u6652\u7cfb\u6570\uff09\u7cfb\u6570\u3002\u8fd9\u4e2a\u7cfb\u6570\u662f\u600e\u4e48\u6765\u7684\u5462\uff1f\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4e00\u4e2a\u4eba\u5728\u9633\u5149\u4e0b\u66b4\u6652 20 \u5206\u949f\u540e\uff0c\u76ae\u80a4\u5f00\u59cb\u53d1\u7ea2\uff0c\u51fa\u73b0\u7ea2\u6591\uff0c\u6d82\u62b9\u9632\u6652\u971c\u540e\uff0c\u65f6\u95f4\u53d8\u6210\u4e86 10 \u5c0f\u65f6\uff08600 \u5206\u949f\uff09\uff0c\u90a3\u4e48\u8fd9\u4e2a\u9632\u6652\u4ea7\u54c1\u7684 SPF \u503c\u5c31\u662f 10 \u5c0f\u65f6\/20 \u5206\u949f=30\uff0c\u8fd9\u5176\u5b9e\u662f\u6700\u77ed\u6652\u4f24\u65f6\u95f4\u7684\u500d\u6570\uff0c\u6240\u4ee5......\u9632\u6652\u6548\u679c\u8fd8\u662f\u8ddf\u4e2a\u4eba\u4f53\u8d28\u6709\u5173......\u5982\u679c\u4f60\u53ea\u6652\u4f24\u4e86 1 \u5206\u949f--\uff0c\u8bf7\u5141\u8bb8\u6211\u505a\u4e00\u4e2a\u60b2\u4f24\u7684\u8868\u60c5\u3002......\uff08\u7406\u79d1\u751f\u603b\u89c9\u5f97\u8fd9\u79cd\u5b9e\u9a8c\u592a\u51c6\u786e\u4e86 = =\uff09\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"37\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-6.png\" alt=\"\" class=\"wp-image-4686\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-6.png 500w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-6-300x22.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u9632\u6652\u971c\u4e0a\u8fd8\u6709\u4e00\u4e2a\u6307\u6570\u53eb PA\uff0c\u4e00\u822c\u662f PA+\u3001PA++\u3001PA++++\uff0c\u8fd9\u662f\u9632\u6652\u971c\u9632\u6b62\u6652\u4f24\u7684\u80fd\u529b\u3002\u4f46\u5b9a\u4e49\u8fd8\u662f\u5f88\u6a21\u7cca......\u5373\u53ef\u4ee5\u9632\u6b62\u6652\u9ed1\u3001\u6709\u6548\u9632\u6b62\u6652\u9ed1\u3001......\u975e\u5e38\u6709\u6548\u9632\u6b62\u6652\u9ed1\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"37\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-7.png\" alt=\"\" class=\"wp-image-4687\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-7.png 500w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-7-300x22.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u56e0\u4e3a\u7d2b\u5916\u7ebf\u5b9e\u9645\u4e0a\u662f\u88ab\u963b\u6b62\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u7528\u7d2b\u5916\u53ef\u89c1\u5206\u5149\u5149\u5ea6\u6cd5\u6765\u5224\u65ad\u9632\u6652\u971c\u662f\u5426\u6709\u6548\uff01\u597d\u5427\uff0c\u597d\u5427\uff0c\u5176\u5b9e\u5c31\u662f\u7528\u4e00\u675f\u5149\u62cd\u7167\uff0c\u7136\u540e\u770b\u5b83\u88ab\u5438\u6536\u4e86\u591a\u5c11\u3002\u5438\u6536\u5f97\u8d8a\u591a\uff0c\u5230\u8fbe\u76ae\u80a4\u7684\u5c31\u8d8a\u5c11\uff0c\u9632\u6652\u6548\u679c\u5c31\u8d8a\u597d\uff01<\/h4>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u79f0\u91cf\u9632\u6652\u971c\uff0c\u7cbe\u786e\u5230 0.0001 \u514b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"708\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/\u5fae\u4fe1\u56fe\u7247_20210702171729.jpg\" alt=\"\" class=\"wp-image-4671\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/\u5fae\u4fe1\u56fe\u7247_20210702171729.jpg 640w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/\u5fae\u4fe1\u56fe\u7247_20210702171729-271x300.jpg 271w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/\u5fae\u4fe1\u56fe\u7247_20210702171729-600x664.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u7528\u6c34\u7a00\u91ca\uff0c\u7528\u8d85\u58f0\u6ce2\u6405\u62cc\u5747\u5300\uff0c\u52a0\u5165\u79f0\u91cf\u8d28\u91cf\uff08\u514b\uff091000 \u500d\uff08\u6beb\u5347\uff09\u7684\u6c34<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"801\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/2.jpg\" alt=\"\" class=\"wp-image-4672\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/2.jpg 640w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/2-240x300.jpg 240w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/2-600x751.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3.4500\u03bcL \u6c34+500\u03bcL \u7a00\u91ca\u5242<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"800\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/3.jpg\" alt=\"\" class=\"wp-image-4673\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/3.jpg 640w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/3-240x300.jpg 240w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/3-600x750.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u561f\u561f\u561f\uff0c\u6da1\u65cb\u548c\u6447\u6643\uff0c\u6df7\u5408\u5747\u5300<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"797\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/4.jpg\" alt=\"\" class=\"wp-image-4674\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/4.jpg 640w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/4-241x300.jpg 241w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/4-600x747.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5.\u79fb\u6db2\u6c60\uff0c\u7528\u5b83\u6765\u6d4b\u91cf\u5438\u5149\u5ea6\uff0c\u9996\u5148\u6d4b\u91cf\u672c\u5e95<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"801\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/5.jpg\" alt=\"\" class=\"wp-image-4675\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/5.jpg 640w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/5-240x300.jpg 240w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/5-600x751.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">6.U-3010, UV-vis.\u653e\u8fdb\u53bb\uff01\u626b\u63cf\uff01\u83b7\u53d6\u5149\u8c31\u3002<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"425\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/6.jpg\" alt=\"\" class=\"wp-image-4676\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/6.jpg 640w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/6-300x199.jpg 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/6-600x398.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8fd9\u4e2a\u5149\u8c31......\u8fd9\u6837\u770b......\u6a2a\u8f74\u662f\u6ce2\u957f\uff0c\u7eb5\u8f74\u662f\u5438\u6536\u7387\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u5728\u6a2a\u8f74 280~400nm \u4e4b\u95f4\uff0c\u7ebf\u8d8a\u9ad8\uff0c\u9632\u6652\u6548\u679c\u8d8a\u597d\uff01280~320nm \u4e4b\u95f4\u662f UVB \u7684\u5438\u6536\u80fd\u529b\uff0c\u4e5f\u5c31\u662f\u6652\u4f24\u80fd\u529b\uff0c320~400nm \u4e4b\u95f4\u662f UVA \u7684\u5438\u6536\u80fd\u529b\u3002\u56e0\u4e3a\u4e0a\u9762\u914d\u7f6e\u7684\u6d53\u5ea6\u662f\u4e00\u6837\u7684\uff01\u6240\u4ee5\u4f60\u53ef\u4ee5\u628a\u6240\u6709\u6d4b\u8bd5\u8fc7\u7684\u54c1\u724c\u8d34\u5728\u4e00\u5f20\u56fe\u7247\u4e0a\u8fdb\u884c\u5bf9\u6bd4\uff0c\u8fd9\u6837\u4f60\u5c31\u5f97\u5230\u4e86\u8fd9\u5f20\u56fe\u7247\u7684 OTZ \u5149\u8c31\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"388\" height=\"257\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/7.jpg\" alt=\"\" class=\"wp-image-4677\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/7.jpg 388w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/7-300x199.jpg 300w\" sizes=\"(max-width: 388px) 100vw, 388px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8fd9\u6b21\u4e00\u5171\u6d4b\u8bd5\u4e86 9 \u4e2a\u6837\u54c1\uff0c\u5206\u522b\u662f......\u8fea\u5965\uff08\u6211\u89c9\u5f97\u50cf\u7c89\u5e95\u6db2\uff09\u3001\u8587\u59ff\u3001\u5df4\u9ece\u6b27\u83b1\u96c5\uff08\u4e24\u79cd\uff0c\u767d\u74f6\u548c\u84dd\u74f6\u989c\u8272\u4e0d\u4e00\u6837\uff09\u3001\u5e73\u4ef7\u672c\u8349\u3001\u66fc\u79c0\u96f7\u6566\u3001skinfood\uff0c\u8fd8\u6709\u5927\u5bb6\u6bcf\u5929\u90fd\u80fd\u770b\u5230\u7684\u5927\u5b9d\u548c\u7f51\u4e0a\u6700\u706b\u7684\u6c34\u5b9d\u5b9d......\u4e0b\u9762\u5c31\u662f\u7ed3\u679c\uff1a<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u5927\u724c\u81ea\u7531\u539f\u5219\u7684\u8fea\u5965\u5728 UVB \u9632\u62a4\u65b9\u9762\u9065\u9065\u9886\u5148\uff0c\u4e5f\u5c31\u662f\u53ef\u4ee5\u5ef6\u957f\u6652\u4f24\u7684\u65f6\u95f4\uff0c\u4f46\u5728 UVA \u9632\u62a4\u65b9\u9762\u5c31\u5dee\u5f3a\u4eba\u610f\u4e86\uff0c\u4e0d\u8fc7\u4e5f\u8d85\u8d8a\u4e86\u5176\u4ed6\u54c1\u724c~\u4e0d\u8fc7\u4ef7\u683c\u771f\u7684\u5f88\u8d35\u3002!<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u7ef4\u5e0c\uff0c\u6027\u80fd\u975e\u5e38\u597d\uff0c\u5bf9 UVA \u7684\u9632\u62a4\u5f88\u5230\u4f4d\uff0c\u80fd\u6709\u6548\u9632\u6b62\u6652\u9ed1\uff0c\u5bf9 UVB \u7684\u5438\u6536\u4e5f\u5f88\u597d\u3002\u975e\u5e38\u9002\u5408\u5e73\u65f6\u4f7f\u7528\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u5df4\u9ece\u6b27\u83b1\u96c5\u7684\u4e24\u6b3e\u9632\u6652\u971c\u8868\u73b0\u4e5f\u4e0d\u9519\uff0c\u5438\u6536\u5747\u5300\u3002\u4e00\u822c\u5728\u5176\u4ed6\u9632\u6652\u971c\u4e2d\u8868\u73b0\u4e0d\u4f73\u7684 340~380 \u6ce2\u6bb5\uff0c\u4f9d\u7136\u6709\u8f83\u9ad8\u7684\u5438\u6536\u7387\uff0c\u63d0\u4f9b\u4e86\u66f4\u591a\u6ce2\u6bb5\u7684\u9632\u62a4\uff0c\u540c\u65f6\u5bf9 UVB \u7684\u5438\u6536\u4e5f\u5f88\u5145\u5206\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u66fc\u79c0\u96f7\u6566\u7684\u9632\u6652\u971c\u5728 UVB \u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5728 UVA \u9632\u62a4\u65b9\u9762\u4e0d\u662f\u7279\u522b\u7406\u60f3\uff0c\u800c\u4e14......\u6211\u80fd\u62b1\u6028\u5b83\u5417\uff0c\u5b83\u662f\u4e0d\u662f\u7279\u522b\u50cf\u4fee\u6b63\u6db2......\uff1f<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u5408\u9002\u7684\u4e2d\u8349\u836f\u9632\u6652\u971c\u5728\u5168\u65b9\u4f4d\u5438\u6536\u65b9\u9762\u76f8\u5bf9\u5e73\u6ed1\uff0c\u4f46\u5b83\u4eec\u5e76\u4e0d\u662f\u51fa\u8272\u7684\u666e\u901a\u9632\u6652\u971c\u3002<\/h4>\n\n\n<!-- lc-commercial-start -->\n<h2>A practical buying checklist for UV ink applications<\/h2>\n<p>In UV printing, the best technical choice usually comes from balancing curing performance with print behavior. Teams normally get the strongest result when they review substrate fit, line speed, image quality, and post-cure durability together rather than optimizing only one variable.<\/p>\n<ul>\n<li><strong>Match the package to the printing method:<\/strong> inkjet, gravure, letterpress, pad printing, screen printing, and label applications can need different cure and viscosity profiles.<\/li>\n<li><strong>Check image quality with cure:<\/strong> the strongest initiator or monomer route is not helpful if transfer, dot behavior, or film clarity gets worse.<\/li>\n<li><strong>Review adhesion after full cure:<\/strong> a surface-dry print can still fail later if the deeper film remains under-cured.<\/li>\n<li><strong>Test on the final substrate family:<\/strong> film, metal, glass, paper, and specialty surfaces can shift the commercial ranking of the same package quickly.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> A strong low-yellowing reference for LED-oriented UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Useful when a formulation needs stronger absorption and deeper cure support.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/photoinitiator-itx-cas-5495-84-1\/\">CHLUMINIT ITX<\/a>:<\/strong> A useful long-wave support route in many printing-ink packages.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/hema-monomer-cas-868-77-9\/\">CHLUMICRYL HEMA<\/a>:<\/strong> A well-known polar monomer reference in adhesion- and reactivity-driven systems.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why can a UV ink look fine in a lab drawdown but struggle on press?<\/strong><br \/>Because print speed, real film build, substrate handling, and curing energy often expose limitations that are not visible in a slower or simpler test.<\/p>\n<p><strong>Should UV ink materials be selected only by the fastest cure?<\/strong><br \/>No. Commercial selection also needs to protect print sharpness, adhesion, color, and long-run consistency.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>The summer is scorching, and many places across the country are very hot and hot. As a chemical practitioner, of course, you must take a rigorous attitude towards sun protection.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-4670","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to choose sunscreen? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"How to choose sunscreen?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/zh\/how-to-choose-sunscreen\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" 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