{"id":3478,"date":"2025-09-08T11:49:02","date_gmt":"2025-09-08T11:49:02","guid":{"rendered":"https:\/\/whitegold-bitumen.com\/penetration-grades\/"},"modified":"2025-09-16T12:58:35","modified_gmt":"2025-09-16T12:58:35","slug":"penetration-grades","status":"publish","type":"page","link":"https:\/\/whitegold-bitumen.com\/en\/penetration-grades\/","title":{"rendered":"Penetration Grades"},"content":{"rendered":"\t\t
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Penetration Grades<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Penetration grade bitumen is classified based on its hardness or consistency, which is determined by a standardized test. In this test, a needle is allowed to penetrate the bitumen under specified conditions of temperature, time, and load. The depth of penetration, measured in tenths of a millimeter, determines the bitumen\u2019s grade. Lower penetration values indicate harder bitumen, while higher penetration values indicate softer bitumen. This classification is critical for ensuring that the bitumen used in a project is suited to the local climate and traffic conditions.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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At Black Gold Company, we specialize in providing high-performance penetration grade bitumen, an essential material for road construction and other infrastructure projects. Penetration grade bitumen is one of the most widely used types of bitumen, known primarily for its versatility and ability to withstand a variety of weather conditions. Our products are carefully designed to meet the demanding needs of modern infrastructure projects while ensuring durability and long-term performance.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Why Choose Black Gold for Penetration Grade Bitumen?<\/p>\n

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Black Gold\u00a0is a trusted leader in the supply of high-grade bitumen products. Our penetration grade bitumen is sourced and manufactured to meet the highest industry standards, ensuring that every batch delivers unmatched reliability and performance. With years of experience in the bitumen and asphalt industry, we are dedicated to providing solutions that meet the unique needs of our clients, whether for large-scale highway projects or small commercial developments.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Applications of Penetration Grade Bitumen<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Penetration grade bitumen is highly versatile and plays a key role in a variety of construction applications, including:<\/p>\n

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Road Construction: Whether for highways, urban roads, or rural pathways, penetration grade bitumen is used to create durable and long-lasting asphalt layers that can withstand varying traffic loads and weather conditions.<\/p>\n

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Airport Runways: High-quality bitumen is essential for building runways that must endure heavy aircraft loads and extreme temperature fluctuations.<\/p>\n

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Parking Lots and Driveways: Our bitumen ensures smooth, strong, and crack-resistant surfaces in commercial and residential parking spaces.<\/p>\n

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Bridge Decks and Industrial Projects: Specially formulated bitumen is used in waterproofing and surfacing bridge decks and other industrial structures that demand enhanced protection from water and wear.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Bitumen penetration analysis 40\/50 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Test Title<\/span><\/th>\nResult<\/span><\/th>\nStandard range<\/span><\/th>\nTEST Method<\/span><\/th>\n<\/tr>\n<\/thead>\n
SP gr @25\/25 cc<\/td>\n1.04<\/td>\nMin: 1.01 – Max: 1.06<\/td>\nISIRI 2956 – ASTM D70<\/td>\n<\/tr>\n
Penetration @25c c-100gr-5s<\/td>\n45.7<\/td>\nMin: 1.01 – Max: 1.06<\/td>\nISIRI 2950 – ASTM D5<\/td>\n<\/tr>\n
Softening Point<\/td>\n53.2<\/td>\nMin: 1.01 – Max: 1.06<\/td>\nISIRI 3868 – ASTM D36<\/td>\n<\/tr>\n
Solubility in Trichloroethylene (bitumen content)<\/td>\n99.99<\/td>\nMin: 1.01 – Max: —<\/td>\nISIRI 2953 – ASTM D4<\/td>\n<\/tr>\n
Ductility @25 cc cm<\/td>\n>100<\/td>\nMin: 1.01 – Max: —<\/td>\nISIRI 3866 – ASTM D113<\/td>\n<\/tr>\n
Flash Point cc<\/td>\n319<\/td>\nMin: 1.01 – Max: —<\/td>\nISIRI 1175 – ASTM D92<\/td>\n<\/tr>\n
Loss On heating w t%<\/td>\n0.03<\/td>\nMin: — – Max: 0.2<\/td>\nISIRI 2957 – ASTM D6<\/td>\n<\/tr>\n
Drop Penetration after loss on heat<\/td>\n8.1<\/td>\nMin: — – Max: 20<\/td>\nISIRI 2950 – ASTM D6 & D5<\/td>\n<\/tr>\n
Spot Test<\/td>\nNegative<\/td>\nNegative<\/td>\nISIRI 2949<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Bitumen penetration analysis 60\/70 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Test Title<\/span><\/th>\nResult<\/span><\/th>\nStandard range<\/span><\/th>\nTEST Method<\/span><\/th>\n<\/tr>\n<\/thead>\n
SP gr @25\/25 cc<\/td>\n1.02<\/td>\nMin: 1.01 – Max: 1.06<\/td>\nISIRI 2956 – ASTM D70<\/td>\n<\/tr>\n
Penetration @25c c-100gr-5s<\/td>\n65.4<\/td>\nMin: 60 – Max: 70<\/td>\nISIRI 2950 – ASTM D5<\/td>\n<\/tr>\n
Softening Point<\/td>\n49.7<\/td>\nMin: 49 – Max: 56<\/td>\nISIRI 3868 – ASTM D36<\/td>\n<\/tr>\n
Solubility in Trichloroethylene (bitumen content)<\/td>\n99.99<\/td>\nMin: 99.5 – Max: —<\/td>\nISIRI 2953 – ASTM D4<\/td>\n<\/tr>\n
Ductility @25 cc cm<\/td>\n>100<\/td>\nMin: 100 – Max: —<\/td>\nISIRI 3866 – ASTM D113<\/td>\n<\/tr>\n
Flash Point cc<\/td>\n321<\/td>\nMin: 232 – Max: —<\/td>\nISIRI 1175 – ASTM D92<\/td>\n<\/tr>\n
Loss On heating w t%<\/td>\n20.0<\/td>\nMin: — – Max: 0.2<\/td>\nISIRI 2957 – ASTM D6<\/td>\n<\/tr>\n
Drop Penetration after loss on heat<\/td>\n7.93<\/td>\nMin: — – Max: 20<\/td>\nISIRI 2950 – ASTM D6 & D5<\/td>\n<\/tr>\n
Spot Test<\/td>\nNegative<\/td>\nNegative<\/td>\nISIRI 2949<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Bitumen penetration analysis 85\/100 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Test Title<\/span><\/th>\nResult<\/span><\/th>\nStandard range<\/span><\/th>\nTEST Method<\/span><\/th>\n<\/tr>\n<\/thead>\n
SP gr @25\/25 cc<\/td>\n1.02<\/td>\nMin: 1.01 – Max: 1.06<\/td>\nISIRI 2956 – ASTM D70<\/td>\n<\/tr>\n
Penetration @25c c-100gr-5s<\/td>\n91.2<\/td>\nMin: 85 – Max: 100<\/td>\nISIRI 2950 – ASTM D5<\/td>\n<\/tr>\n
Softening Point<\/td>\n45.9<\/td>\nMin: 45 – Max: 0<\/td>\nISIRI 3868 – ASTM D36<\/td>\n<\/tr>\n
Solubility in Trichloroethylene (bitumen content)<\/td>\n99.98<\/td>\nMin: — – Max: —<\/td>\nISIRI 2953 – ASTM D4<\/td>\n<\/tr>\n
Ductility @25 cc cm<\/td>\n>100<\/td>\nMin: 100 – Max: —<\/td>\nISIRI 3866 – ASTM D113<\/td>\n<\/tr>\n
Flash Point cc<\/td>\n322<\/td>\nMin: 232 – Max: —<\/td>\nISIRI 1175 – ASTM D92<\/td>\n<\/tr>\n
Loss On heating w t%<\/td>\n0.03<\/td>\nMin: — – Max: 0.2<\/td>\nISIRI 2957 – ASTM D6<\/td>\n<\/tr>\n
Drop Penetration after loss on heat<\/td>\n8.1<\/td>\nMin: — – Max: 20<\/td>\nISIRI 2950 – ASTM D6 & D5<\/td>\n<\/tr>\n
Spot Test<\/td>\nNegative<\/td>\nNegative<\/td>\nISIRI 2949<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Bitumen penetration analysis 120\/150 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Test Title<\/span><\/th>\nResult<\/span><\/th>\nStandard range<\/span><\/th>\nTEST Method<\/span><\/th>\n<\/tr>\n<\/thead>\n
SP gr @25\/25 cc<\/td>\n1.013<\/td>\nMin: 1.01 – Max: 1.06<\/td>\nISIRI 2956 – ASTM D70<\/td>\n<\/tr>\n
Penetration @25c c-100gr-5s<\/td>\n132.0<\/td>\nMin: 120 – Max: 150<\/td>\nISIRI 2950 – ASTM D5<\/td>\n<\/tr>\n
Softening Point<\/td>\n42<\/td>\nMin:38 – Max: 0<\/td>\nISIRI 3868 – ASTM D36<\/td>\n<\/tr>\n
Solubility in Trichloroethylene (bitumen content)<\/td>\n99.99<\/td>\nMin: — – Max: —<\/td>\nISIRI 2953 – ASTM D4<\/td>\n<\/tr>\n
Ductility @25 cc cm<\/td>\n>100<\/td>\nMin: 100 – Max: —<\/td>\nISIRI 3866 – ASTM D113<\/td>\n<\/tr>\n
Flash Point cc<\/td>\n323<\/td>\nMin: 232 – Max: —<\/td>\nISIRI 1175 – ASTM D92<\/td>\n<\/tr>\n
Loss On heating w t%<\/td>\n0.03<\/td>\nMin: — – Max: 0.2<\/td>\nISIRI 2957 – ASTM D6<\/td>\n<\/tr>\n
Drop Penetration after loss on heat<\/td>\n8.3<\/td>\nMin: — – Max: 20<\/td>\nISIRI 2950 – ASTM D6 & D5<\/td>\n<\/tr>\n
Spot Test<\/td>\nNegative<\/td>\nNegative<\/td>\nISIRI 2949<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Bitumen penetration analysis 200\/300 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Test Title<\/span><\/th>\nResult<\/span><\/th>\nStandard range<\/span><\/th>\nTEST Method<\/span><\/th>\n<\/tr>\n<\/thead>\n
SP gr @25\/25 cc<\/td>\n1.011<\/td>\nMin: 1.01 – Max: 1.06<\/td>\nISIRI 2956 – ASTM D70<\/td>\n<\/tr>\n
Penetration @25c c-100gr-5s<\/td>\n250.0<\/td>\nMin: 200 – Max: 300<\/td>\nISIRI 2950 – ASTM D5<\/td>\n<\/tr>\n
Softening Point<\/td>\n38<\/td>\nMin:35 – Max: 40<\/td>\nISIRI 3868 – ASTM D36<\/td>\n<\/tr>\n
Solubility in Trichloroethylene (bitumen content)<\/td>\n99.98<\/td>\nMin: — – Max: —<\/td>\nISIRI 2953 – ASTM D4<\/td>\n<\/tr>\n
Ductility @25 cc cm<\/td>\n>100<\/td>\nMin: 100 – Max: —<\/td>\nISIRI 3866 – ASTM D113<\/td>\n<\/tr>\n
Flash Point cc<\/td>\n325<\/td>\nMin: 232 – Max: —<\/td>\nISIRI 1175 – ASTM D92<\/td>\n<\/tr>\n
Loss On heating w t%<\/td>\n0.04<\/td>\nMin: — – Max: 0.2<\/td>\nISIRI 2957 – ASTM D6<\/td>\n<\/tr>\n
Drop Penetration after loss on heat<\/td>\n8.2<\/td>\nMin: — – Max: 20<\/td>\nISIRI 2950 – ASTM D6 & D5<\/td>\n<\/tr>\n
Spot Test<\/td>\nNegative<\/td>\nNegative<\/td>\nISIRI 2949<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Penetration Grades Penetration grade bitumen is classified based on its hardness … <\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3478","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/pages\/3478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/comments?post=3478"}],"version-history":[{"count":4,"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/pages\/3478\/revisions"}],"predecessor-version":[{"id":3482,"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/pages\/3478\/revisions\/3482"}],"wp:attachment":[{"href":"https:\/\/whitegold-bitumen.com\/en\/wp-json\/wp\/v2\/media?parent=3478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}