{"id":6306,"date":"2023-11-24T07:30:42","date_gmt":"2023-11-24T07:30:42","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6306"},"modified":"2026-04-28T10:42:22","modified_gmt":"2026-04-28T10:42:22","slug":"does-a-higher-spf-mean-better-results","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/zh\/does-a-higher-spf-mean-better-results\/","title":{"rendered":"\u9632\u6652\u4ea7\u54c1\u4e2d\u7684 SPF \u4ee3\u8868\u4ec0\u4e48\uff0cSPF \u8d8a\u9ad8\u662f\u5426\u610f\u5473\u7740\u6548\u679c\u8d8a\u597d\uff1f"},"content":{"rendered":"<h1><strong>\u9632\u6652\u4ea7\u54c1\u4e2d\u7684 SPF \u4ee3\u8868\u4ec0\u4e48\uff0cSPF \u8d8a\u9ad8\u662f\u5426\u610f\u5473\u7740\u6548\u679c\u8d8a\u597d\uff1f<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> UV ink systems are usually judged by cure speed, print definition, substrate adhesion, and whether the final image survives real handling. The best package is the one that performs on the press, not just in a static lab test.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>1.UVB \u548c UVA \u5bf9\u76ae\u80a4\u7684\u4f24\u5bb3\u4e0d\u540c<\/p>\n<p>UVB \u6ce2\u957f\u8f83\u77ed\uff08290-320 \u7eb3\u7c73\uff09\uff0c\u80fd\u91cf\u8f83\u5f3a\uff0c\u80fd\u5728\u77ed\u65f6\u95f4\u5185\u8ba9\u6211\u4eec\u7684\u76ae\u80a4\u6652\u7ea2\u3001\u6652\u4f24\u3002\u4f46\u662f\uff0cUVB \u7684\u7a7f\u900f\u529b\u8f83\u5f31\uff0c\u6240\u4ee5\u9633\u5149\u4e2d\u7684\u5927\u90e8\u5206 UVB \u90fd\u88ab\u81ed\u6c27\u5c42\u963b\u6321\uff0c\u53ea\u6709\u4e00\u5c0f\u90e8\u5206\u5230\u8fbe\u5730\u7403\u8868\u9762\uff0c\u4e00\u822c\u53ea\u6709\u5728\u9633\u5149\u7279\u522b\u5f3a\u70c8\u7684\u65f6\u5019\uff0c\u6211\u4eec\u7684\u76ae\u80a4\u624d\u4f1a\u88ab\u6652\u7ea2\u6652\u4f24\u3002\u5982\u679c\u957f\u65f6\u95f4\u66b4\u9732\u5728\u7d2b\u5916\u7ebf\u4e0b\uff0c\u7d2b\u5916\u7ebf B \u53ef\u80fd\u4f1a\u5bfc\u81f4\u76ae\u80a4\u764c\u3002<br \/>\n\u76f8\u6bd4\u4e4b\u4e0b\uff0cUVA \u6ce2\u957f\u8f83\u957f\uff08320-400 \u7eb3\u7c73\uff09\uff0c\u80fd\u91cf\u8f83\u4f4e\uff0c\u4f46\u5b83\u7684\u7a7f\u900f\u529b\u5f88\u5f3a\uff0c\u4e00\u5e74\u56db\u5b63\u65e0\u8bba\u6674\u5929\u8fd8\u662f\u9634\u5929\u90fd\u80fd\u7167\u5c04\u5230\u5730\u7403\u8868\u9762\uff0c\u751a\u81f3\u80fd\u7167\u5c04\u5230\u6211\u4eec\u76ae\u80a4\u7684\u771f\u76ae\u5c42\u3002\u77ed\u671f\u6765\u770b\uff0cUVA \u4f1a\u5bfc\u81f4\u76ae\u80a4\u654f\u611f\u3001\u8010\u53d7\u6027\u4e0b\u964d\uff0c\u957f\u671f\u6765\u770b\uff0c\u4f1a\u5bfc\u81f4\u9ed1\u8272\u7d20\u6c89\u79ef\uff0c\u52a0\u901f\u76ae\u80a4\u8870\u8001\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0cUVA \u4f1a\u8ba9\u6211\u4eec\u7684\u76ae\u80a4\u53d8\u5f97\u66f4\u9ed1\uff0c\u76b1\u7eb9\u66f4\u591a\u3002\u6b64\u5916\uff0cUVA \u8fd8\u53ef\u80fd\u8bf1\u53d1\u76ae\u80a4\u764c\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u5728\u9009\u62e9\u9632\u6652\u971c\u65f6\uff0cUVA \u548c UVB \u9632\u62a4\u90fd\u5f88\u91cd\u8981\u3002\u5728\u9634\u5929\uff0c\u4eba\u4eec\u5f80\u5f80\u4f1a\u5ffd\u7565\u4f7f\u7528\u9632\u6652\u971c\uff0c\u4f46 UVA \u4e00\u6837\u53ef\u4ee5\u7167\u5c04\u5230\u76ae\u80a4\u7684\u771f\u76ae\u5c42\u3002\u6211\u4eec\u4e00\u5e74\u56db\u5b63\u90fd\u9700\u8981\u9632\u6652\uff0c\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\uff0c\u4e00\u5e74\u56db\u5b63\u90fd\u9700\u8981\u9632\u6652\u7684\u6700\u4f73\u5fc5\u9700\u54c1\u5c31\u662f UVA\u3002<\/p>\n<p>\u76ee\u524d\uff0c\u8bb8\u591a\u9632\u6652\u971c\u5bf9 UVB \u7684\u9632\u62a4\u80fd\u529b\u6bd4 UVA \u66f4\u5f3a\u3002<\/p>\n<p>2.SPF \u503c\u548c PA \u503c\u7684\u610f\u4e49<\/p>\n<p>SPF\uff1a\u9632\u6652\u4ea7\u54c1\u62b5\u5fa1\u53ef\u707c\u4f24\u76ae\u80a4\u7684\u7d2b\u5916\u7ebf\u7684\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u4e00\u74f6 SPF \u503c\u4e3a 20 \u7684\u9632\u6652\u971c\u5728\u6d82\u62b9\u540e\u53ef\u5c06\u76ae\u80a4\u5bf9\u7d2b\u5916\u7ebf\u7684\u8010\u53d7\u529b\u63d0\u9ad8 20 \u500d\u3002\u5047\u8bbe\u5728\u6ca1\u6709\u6d82\u62b9\u9632\u6652\u971c\u7684\u60c5\u51b5\u4e0b\uff0c\u6652 10 \u5206\u949f\u76ae\u80a4\u5c31\u4f1a\u53d1\u7ea2\uff0c\u90a3\u4e48\u5728\u6d82\u62b9 SPF \u503c\u4e3a 20 \u7684\u9632\u6652\u971c\u540e\uff0c\u5927\u6982\u9700\u8981\u6652 15*20=200 \u5206\u949f\u76ae\u80a4\u624d\u4f1a\u53d1\u7ea2\u3002<\/p>\n<p>\u5f88\u591a\u4eba\u8bef\u4ee5\u4e3a SPF \u6307\u7684\u662f\u4e0e\u6301\u7eed\u9632\u6652\u6709\u5173\u7684\u65f6\u95f4\uff0c\u6bd4\u5982 SPF50 \u7684\u9632\u6652\u65f6\u95f4\u662f SPF15 \u7684\u4e09\u500d\u591a\u3002\u8fd9\u79cd\u7406\u89e3\u662f\u9519\u8bef\u7684\u3002\u4e8b\u5b9e\u4e0a\uff0cSPF \u4e0e\u5728\u9633\u5149\u4e0b\u7684\u65f6\u95f4\u957f\u77ed\u5e76\u65e0\u76f4\u63a5\u5173\u7cfb\uff0c\u800c\u662f\u4e0e\u5149\u7167\u91cf\u6709\u5173\u3002\u4e2d\u5348\u9633\u5149\u5f3a\u70c8\uff0c\u6bd4\u65e9\u665a\u66f4\u5bb9\u6613\u6652\u4f24\uff0c\u800c\u4e14\u5728\u4f4e\u7eac\u5ea6\u5730\u533a\uff08\u5982\u5e7f\u5dde\u4e0e\u65b0\u7586\uff09\uff0c\u9633\u5149\u5f3a\u5ea6\u4e5f\u66f4\u5927\uff0c\u53ef\u80fd\u9700\u8981\u66f4\u9891\u7e41\u5730\u8865\u6d82\u9632\u6652\u971c\u3002<\/p>\n<p>PA\uff08protection grade of UVA\uff09\u662f\u6307\u5bf9\u6297UVA\u7684\u80fd\u529b\uff0c\u540e\u9762\u7684+\u53f7\u8d8a\u591a\uff0c\u8868\u793a\u9632\u6b62\u6652\u9ed1\u7684\u80fd\u529b\u8d8a\u5f3a\u3002\u4f46\u5e76\u4e0d\u662f\u6240\u6709\u4ea7\u54c1\u90fd\u6709PA\u6807\u8bc6\uff0c\u5f88\u591a\u6b27\u7f8e\u9632\u6652\u971c\u4e0a\u770b\u4e0d\u5230PA\uff0c\u4f46\u5e76\u4e0d\u4ee3\u8868\u5b83\u4eec\u53ef\u80fd\u4e0d\u60f3\u6652\u9ed1\uff0c\u53ea\u662f\u91c7\u7528\u4e86\u5176\u4ed6\u6807\u6ce8\u65b9\u6cd5\uff0c\u6bd4\u5982PPD\u6301\u4e45\u6027\u8272\u7d20\u6c89\u7740\u7cfb\u6570\u3002<\/p>\n<p>\u9632\u6652\u971c SPF \u503c\uff08\u5982 SPF20\u3001SPF30\u3001SPF50\uff09\u4e4b\u95f4\u7684\u5dee\u5f02\uff1a<\/p>\n<p>SPF20\uff1a<\/p>\n<p>\u53ef\u9002\u5ea6\u62b5\u5fa1\u7d2b\u5916\u7ebf\u3002<br \/>\n\u53ef\u963b\u6321\u7ea6 95% \u7684\u7d2b\u5916\u7ebf\u3002<br \/>\n\u9002\u5408\u5728\u9633\u5149\u7167\u5c04\u6709\u9650\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u65e5\u5e38\u6d3b\u52a8\u3002<br \/>\nSPF30<\/p>\n<p>\u63d0\u4f9b\u6bd4 SPF20 \u66f4\u5f3a\u7684\u4fdd\u62a4\u3002<br \/>\n\u53ef\u963b\u6321\u7ea6 97% \u7684\u7d2b\u5916\u7ebf\u3002<br \/>\n\u5efa\u8bae\u7528\u4e8e\u957f\u65f6\u95f4\u6237\u5916\u6d3b\u52a8\u3002<br \/>\nSPF50<\/p>\n<p>\u63d0\u4f9b\u6700\u9ad8\u7ea7\u522b\u7684 UVB \u9632\u62a4\u3002<br \/>\n\u53ef\u963b\u6321\u7ea6 98% \u7684\u7d2b\u5916\u7ebf\u3002<br \/>\n\u5efa\u8bae\u76ae\u80a4\u767d\u7699\u6216\u654f\u611f\u3001\u957f\u671f\u66b4\u9732\u5728\u9633\u5149\u4e0b\u6216\u60a3\u76ae\u80a4\u764c\u98ce\u9669\u8f83\u9ad8\u7684\u4eba\u4f7f\u7528\u3002<br \/>\n\u8981\u70b9<\/p>\n<p>\u9012\u589e\u4fdd\u62a4\uff1a\u4e0d\u540c SPF \u503c\u4e4b\u95f4\u7684\u9632\u62a4\u6548\u679c\u5dee\u5f02\u4e0d\u662f\u7ebf\u6027\u7684\u3002\u4f8b\u5982\uff0cSPF 30 \u63d0\u4f9b\u7684\u4fdd\u62a4\u5e76\u4e0d\u662f SPF 15 \u7684\u4e24\u500d\u3002SPF 30 \u6bd4 SPF 15 \u9ad8\u51fa\u7ea6 4%\uff0c\u800c SPF 50 \u53ea\u6bd4 SPF 30 \u9ad8\u51fa\u7ea6 1-2%\u3002<\/p>\n<p>UVB \u9632\u62a4\uff1aSPF \u4e3b\u8981\u7528\u4e8e\u62b5\u5fa1\u5bfc\u81f4\u6652\u4f24\u7684 UVB \u5c04\u7ebf\u3002\u5b83\u5e76\u4e0d\u80fd\u5b8c\u5168\u62b5\u5fa1\u5bfc\u81f4\u8fc7\u65e9\u8870\u8001\u548c\u76ae\u80a4\u764c\u7684 UVA \u5c04\u7ebf\u3002<\/p>\n<p>\u91cd\u65b0\u6d82\u62b9\uff1a\u65e0\u8bba\u9632\u6652\u6307\u6570\u662f\u591a\u5c11\uff0c\u6bcf\u9694\u4e24\u5c0f\u65f6\u8865\u6d82\u4e00\u6b21\u9632\u6652\u971c\u81f3\u5173\u91cd\u8981\uff0c\u5982\u679c\u6e38\u6cf3\u6216\u51fa\u6c57\uff0c\u8865\u6d82\u7684\u9891\u7387\u4f1a\u66f4\u9ad8\u3002\u4efb\u4f55\u9632\u6652\u971c\u90fd\u65e0\u6cd5\u63d0\u4f9b 100% \u7684\u4fdd\u62a4\uff0c\u56e0\u6b64\u5fc5\u987b\u91cd\u65b0\u6d82\u62b9\uff0c\u4ee5\u4fdd\u6301\u9632\u6652\u6548\u679c\u3002<\/p>\n<p>\u76ae\u80a4\u7c7b\u578b\uff1a\u9632\u6652\u6307\u6570\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u4e2a\u4eba\u7684\u80a4\u8d28\u3001\u5bf9\u9633\u5149\u7684\u654f\u611f\u5ea6\u4ee5\u53ca\u66b4\u9732\u5728\u9633\u5149\u4e0b\u7684\u65f6\u95f4\u957f\u77ed\u3002\u76ae\u80a4\u767d\u7699\u6216\u654f\u611f\u7684\u4eba\u53ef\u4ee5\u9009\u62e9 SPF \u503c\u8f83\u9ad8\u7684\u4ea7\u54c1\u3002<\/p>\n<p>\u8003\u8651\u5176\u4ed6\u9632\u6652\u63aa\u65bd\uff1a\u9632\u6652\u971c\u5e94\u8be5\u662f\u5168\u9762\u9632\u6652\u8ba1\u5212\u7684\u4e00\u90e8\u5206\uff0c\u5305\u62ec\u5bfb\u627e\u9634\u51c9\u5904\u3001\u7a7f\u9632\u62a4\u670d\u548c\u907f\u5f00\u9633\u5149\u6700\u5f3a\u70c8\u7684\u65f6\u6bb5\u3002<\/p>\n<p>\u9632\u6652\u6307\u6570\u8d8a\u9ad8\u8d8a\u597d\uff1f<\/p>\n<p>SPF \u503c\u8d8a\u9ad8\uff0c\u9632\u62a4\u6548\u679c\u8d8a\u597d\uff0c\u8fd9\u4f3c\u4e4e\u662f\u5408\u4e4e\u903b\u8f91\u7684\uff0c\u4f46\u968f\u7740 SPF \u503c\u7684\u63d0\u9ad8\uff0c\u9632\u62a4\u6548\u679c\u7684\u9012\u589e\u4e5f\u4f1a\u51cf\u5f31\u3002\u4e00\u822c\u8ba4\u4e3a\uff0cSPF 30 \u5bf9\u5927\u591a\u6570\u4eba\u6765\u8bf4\u5df2\u7ecf\u8db3\u591f\uff0c\u53ef\u4ee5\u6709\u6548\u62b5\u5fa1\u7d2b\u5916\u7ebf\u3002SPF 50 \u7684\u9632\u62a4\u7b49\u7ea7\u7565\u9ad8\uff0c\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u5982\u957f\u65f6\u95f4\u6237\u5916\u6d3b\u52a8\u6216\u5bf9\u9633\u5149\u654f\u611f\u5ea6\u8f83\u9ad8\u7684\u4eba\uff0c\u5efa\u8bae\u4f7f\u7528 SPF 50\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4efb\u4f55\u9632\u6652\u971c\u90fd\u4e0d\u80fd\u63d0\u4f9b\u5b8c\u5168\u7684\u4fdd\u62a4\uff0c\u8fd8\u5e94\u8be5\u91c7\u53d6\u5176\u4ed6\u9632\u6652\u63aa\u65bd\uff0c\u5c24\u5176\u662f\u5728\u5f3a\u70c8\u7684\u9633\u5149\u4e0b\u3002\u6b64\u5916\uff0cSPF \u503c\u4ee5\u5916\u7684 UVA \u9632\u62a4\u5bf9\u4e8e\u6574\u4f53\u9632\u6652\u81f3\u5173\u91cd\u8981\u3002\u8bf7\u9009\u62e9\u80fd\u540c\u65f6\u9632\u62a4 UVA \u548c UVB \u7684\u5e7f\u8c31\u9632\u6652\u971c\u3002<\/p>\n<p>\u6700\u7ec8\uff0c\u9009\u62e9\u5408\u9002\u7684 SPF \u503c\u53d6\u51b3\u4e8e\u4e2a\u4eba\u56e0\u7d20\uff0c\u5982\u76ae\u80a4\u7c7b\u578b\u3001\u8ba1\u5212\u7684\u65e5\u6652\u65f6\u95f4\u548c\u4e2a\u4eba\u559c\u597d\u3002\u5efa\u8bae\u60a8\u54a8\u8be2\u76ae\u80a4\u79d1\u533b\u751f\uff0c\u6839\u636e\u5177\u4f53\u7684\u76ae\u80a4\u9700\u6c42\u548c\u95ee\u9898\u83b7\u5f97\u4e2a\u6027\u5316\u5efa\u8bae\u3002<\/p>\n<p><!-- lc-commercial-start --><\/p>\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\/iboa-monomer-cas-5888-33-5\/\">CHLUMICRYL IBOA<\/a>:<\/strong> A strong low-viscosity monomer reference when hardness and good flow both matter.<\/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<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1. UVB and UVA do different damage to the skin UVB has a shorter wavelength (290-320 nm) and stronger energy, which can make our skin red and sunburned in a<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-6306","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>What does SPF stand for in sunscreen products and does a higher SPF mean better results? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"1. 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