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==History== | ==History== | ||
[[File:Estar-base-film-must-be-tape-spliced.jpg|right|thumb|200px|A film can label reminding film handlers that Estar (polyester) film base cannot be cement spliced.]] | |||
The earliest splicers used film cement to make a permanent join. Film cement can be used on nitrate and acetate stock, but will not adhere to polyester. With the rise of large-reel and platter projection and the transition to polyester as the dominant film base for theatrical distribution, cement splicers were replaced with tape splicers as the primary means of splicing film for the purpose of projection. Cement splicers remain in use for archival purposes, mainly in film lab settings. Polyester film can be permanently fused using ultrasonic splicers. While these splicers are not generally available to projectionists due to their high cost, ultrasonic splices that were performed during the manufacturing process are common in polyester release prints. | The earliest splicers used film cement to make a permanent join. Film cement can be used on nitrate and acetate stock, but will not adhere to polyester. With the rise of large-reel and platter projection and the transition to polyester as the dominant film base for theatrical distribution, cement splicers were replaced with tape splicers as the primary means of splicing film for the purpose of projection. Cement splicers remain in use for archival purposes, mainly in film lab settings. Polyester film can be permanently fused using ultrasonic splicers. While these splicers are not generally available to projectionists due to their high cost, ultrasonic splices that were performed during the manufacturing process are common in polyester release prints. | ||