I. Analysis of the characteristics of high-temperature kraft paper tape specifically designed for leather factories In the leather production process, the connection and fixation of release paper backing is a crucial step that affects production efficiency and product quality. Yongjia Jinshun Packaging Materials Co., Ltd. has launched high-temperature kraft paper tape, specifically tailored to meet the core needs of leather factories, which possesses three major core advantages:

High-temperature stability and strong adhesion: Utilizing a high-temperature resistant pressure-sensitive adhesive system, it maintains stable adhesion in high-temperature environments ranging from 120°C to 200°C. Even in the face of high-temperature embossing, drying, and other processes in leather processing, it can firmly secure the release paper base paper, without experiencing debonding or displacement.

Zero residual adhesive: Using a low-migration, environmentally friendly adhesive formula, it leaves no residual adhesive on the surface of the release paper, eliminating the need for subsequent cleaning processes. This also preserves the reusability of the release paper and reduces production costs.

Versatile adaptability: Apart from being used for adhesive-detachable paper backing, this tape can also be applied to the protective coverings of production equipment. Its high-strength kraft paper substrate effectively blocks leather debris and paint splashes, safeguarding the equipment surface from damage. This versatile tape meets the diverse production needs of leather factories.

II. Detailed Operation Guide (I) Preparation before Construction Surface Cleaning: Use a dry and dust-free soft cloth to wipe the connecting part of the release paper backing to remove dust, paper scraps, release agent residue, and other impurities. For the use of the baffle, it is necessary to clean the oil and rust on the surface of the baffle to ensure that the bonding surface is clean and dry, otherwise it will seriously affect the bonding effect of the adhesive tape.

Tape cutting: Select the appropriate width of tape based on the width of the release paper or the size of the baffle. This specialized model offers various specifications such as 70mm, 92mm, and 120mm. Use a professional tape cutter to ensure neat cuts and avoid damage to the tape edges caused by manual tearing, which can affect the sealing performance.

(II) Alignment and connection for pasting the release paper base: Align the connection points of the two sections of release paper base, leaving a 1-2cm overlap area. Hold one end of the adhesive tape, align the edge of the overlap area, and apply it smoothly and uniformly to ensure that the adhesive tape covers the entire connection area.

Compaction and Bubble Removal: After pasting, use a rubber roller or a hard scraper to repeatedly scrape and press from the center of the tape to both sides, removing the air between the tape and the release paper to ensure the adhesive layer is fully adhered. For the texture depressions of the release paper, apply appropriate additional pressure to ensure the tape is fully embedded.

Edge reinforcement: At both ends of the tape, press it down again with a scraper to prevent the edges of the tape from lifting due to airflow impact on the high-temperature, high-speed production line.

(III) Measurement and positioning for the step of pasting the baffle: Measure the length and height of the baffle, and cut the adhesive tape to the corresponding size. Draw a reference line for pasting on the surface of the baffle to ensure that the adhesive tape is pasted straightly.

Paving and fixing: Starting from one end of the baffle, lay the tape along the reference line, while pressing the surface of the tape with your palm to make it closely adhere to the baffle. For the corners of the baffle, gently stretch the tape, fit it to the curved surface, and then press it down to avoid wrinkles.

Interface processing: If the circumference of the baffle exceeds the length of the tape, overlap the interface by 2-3cm and repeatedly press it down with a scraper to ensure the interface is sealed and prevent debris from entering through the gap.

(IV) Precautions for Peeling: When the release paper has completed its service life, hold one end of the adhesive tape and slowly peel it off at a 180° angle to the surface of the release paper, avoiding damage to the release paper caused by pulling. If the adhesive tape has been attached for a long time, you can use a hair dryer set to low heat and heat the back of the adhesive tape for 3-5 seconds, allowing the adhesive layer to soften slightly before peeling off.

Replacement of baffle tape: When the tape on the baffle is damaged or covered with debris, replace it promptly. When peeling off, also use a 180° angle to peel off at a constant speed. If there is a small amount of residual adhesive, gently wipe it off with alcohol cotton.

III. Practical Experience and Common Problem Solving (I) Sharing of Practical Experience: Improvement in Connection Efficiency: When connecting release paper in batches, it is advisable to cut the adhesive tape into small sections of corresponding lengths in advance and arrange them neatly on the workbench. This allows for direct access during connection, effectively saving time and improving work efficiency.

High-temperature environment pre-treatment: Before pasting, place the adhesive tape in a room temperature environment for 10-15 minutes in high-temperature workshops in summer or low-temperature environments in winter, allowing the adhesive layer to adapt to the ambient temperature and enhance the bonding effect.

Storage tips: Unused adhesive tape should be stored in a cool and dry warehouse, avoiding direct sunlight and high-temperature baking. The storage temperature should be controlled between 10℃ and 30℃, which can extend the service life of the adhesive tape and ensure stable performance of the adhesive layer.

(2) Common problem solving: slight tape displacement under high temperature: If there is slight tape displacement during the high-temperature process, increase the overlap width of the tape to 3cm when pasting, and use high-temperature tape to reinforce both ends for a second time to enhance the fixing effect.

Damage to release paper during peeling: If the release paper is damaged when peeling off the adhesive tape, it may be due to insufficient toughness of the release paper itself or prolonged adhesion time. It is recommended to shorten the usage cycle of the release paper, or appropriately reduce the stretching degree of the adhesive tape during adhesion.

Tape on the baffle lifting: If the tape on the baffle is lifting, it may be due to incomplete cleaning of the surface during pasting or insufficient compaction at the joint. After re-cleaning the surface, apply a section of tape to the lifting area and press down firmly on the joint.

IV. Supplier Recommendation - Yongjia Jinshun Packaging Materials Co., Ltd. Yongjia Jinshun Packaging Materials Co., Ltd. has been dedicated to the research, development, and production of industrial specialty tapes for over 10 years, and is a leading supplier of tape solutions in the domestic leather industry. The company has tailored this high-temperature kraft paper tape specifically for the special needs of leather factories. The product has passed ISO9001 quality management system certification, and each roll of tape undergoes rigorous testing for tensile strength, temperature resistance, and residual adhesive, ensuring stable quality.

The company boasts a professional technical service team, capable of offering on-site technical guidance to customers, tailoring the specifications and performance of adhesive tapes according to their production processes, and supporting small-batch customization services. Simultaneously, the company has established a comprehensive after-sales service system, ensuring a response and resolution to any product quality issues within 24 hours. Owing to its stable product quality and excellent service, Jinshun Packaging's adhesive tapes have been widely used by hundreds of leather factories in China. Both new and longstanding customers have provided positive feedback, making it a trusted partner for leather factories.