{"id":12423,"date":"2026-09-02T16:25:01","date_gmt":"2026-09-02T08:25:01","guid":{"rendered":"https:\/\/fjyudeng.com\/product\/black-environmental-leather-pu-leather-roll-material-for-racket-grips\/"},"modified":"2026-09-02T16:25:24","modified_gmt":"2026-09-02T08:25:24","slug":"black-environmental-leather-pu-leather-roll-material-for-racket-grips","status":"publish","type":"product","link":"https:\/\/fjyudeng.com\/ja\/product\/black-environmental-leather-pu-leather-roll-material-for-racket-grips\/","title":{"rendered":"Black Environmental Leather PU Leather Roll Material for Racket Grips"},"content":{"rendered":"
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\u6280\u8853\u4ed5\u69d8<\/strong><\/span><\/h4>\n

Tensile load: Radial \u2265 250N, Weft direction \u2265 500N<\/strong><\/span>
\nElongation at break: Radial \u2265 15%, Weft direction \u2265 20%<\/strong><\/span>
\nTear load: Radial \u2265 20N, Weft direction \u2265 20N<\/strong><\/span>
\nPeel load\/N \u2265 20N<\/strong><\/span>
\nFastness: Dry rubbing \u2265 4 grades, Wet rubbing \u2265 3 grades<\/strong><\/span>
\nSweat fastness \u2265 3-4 grades<\/strong><\/span>
\nSaliva resistance \u2265 4 grades, Color migration \u2265 4<\/strong><\/span>
\nFolding endurance\/grade: 23\u00b0, 2.5 million times -10\u00b0, 5 thousand times, no cracks, no cracks in cold resistance, anti-adhesion\/grade \u2265 4, Saliva resistance \u2265 1 MPa, Color fastness to yellow \u2265 3 (white and light colors), Hydrolysis at 70\u00b0C, 95% RH, 336 hours, no surface cracking, no powdering, fading and delamination, folding endurance after hydrolysis at 23\u00b0C 1.5 million times without cracks, pH value I category children 3.5-6.0, II category direct contact skin 4.0-8.5, Free formaldehyde content I category children \u2264 30 Mg\/kg, II category direct contact skin \u2264 75 Mg\/kg, No aromatic amines, No azo, Eight heavy metals (EN-71 Part 3: 1994), Lead (Pb) < 90 PPM, Cadmium (Cd) < 75 PPM, Needle thread does not break the skin, Wear resistance.<\/strong><\/span><\/p>\n

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