Quality and inspection standards
1. Appearance quality: the surface of the bag is flat, the incision position is in front of the arrow, no perforation, crack, scratch, pollution, wrinkle and foreign matter adhesion are allowed. 1.1 printing quality: the printing drawings and characters must be the same as the sample plate, with clear drawing characters, consistent color depth, no obvious difference compared with the sample plate, no ink pollution, the overprint deviation of main graphics and characters is less than 0.25 mm, the secondary part is less than 0.5 mm, and the pattern position shift is less than 2.0 mm. 1.2 composite quality: a bubble less than 1mm is allowed within 20cm of the surface, and adhesion and peeling between composite layers are not allowed. 2. The specifications and dimensions shall meet the following requirements:
Bag length deviation category ≤ 100 101 ~ 400 401 ~ 860 width deviation (mm) ± 2.0 ± 4.0 ± 7.0 thickness deviation (%) ± 10 ± 10 ± 10 length deviation (mm) ± 2.0 ± 4.0 ± 7.0 sealing width deviation (%) ± 20 ± 20 ± 20
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3. The material is determined according to the contract negotiation between the supplier and the supplier or the purchase order, and the opening of the bag is easy (friction coefficient of the inner PE film is U < 0.3). 4. The physical and mechanical properties meet the following requirements.
Test item No.1: interlayer peeling force (n / 15mm) index ≥ 2.0 two layer structure 30um ≤ PE ≤ 40um 2 sealing stripping force (n / 15mm) PE > 40um three layer structure four layer structure two layer structure three layer structure four layer structure ≤ 60 3 oxygen permeability cm3 / (M2 * ATM * 24h) ≤ 0.8 ≤ 0.5 ≤ 54 moisture permeability g / (M2 * 24h) ≤ 0.8 ≤ 0.5 5 5 friction coefficient ≤ 0.3 ≥ 12 ≥ 20 ≥ 30 ≥ 15 ≥ 25 ≥ 35
5. The pressure resistance of the bag shall meet the following requirements: the total weight of the bag and its contents (g) ≤ 100 101 ~ 400 401 ~ 2000 > 2000 6. Packaging, marking, transportation and storage 6. 1 the products are packed with plastic film or kraft paper, and the outer packing is corrugated box. 6.2 the internal and external packaging of each bag shall be attached with product certificate, and the product name, specification, packing quantity, batch number, production date, seal of manufacturer and inspector shall be indicated. 6.3 prevent mechanical collision, sun and rain during transportation. Load (kg) 20 40 60 80 no leakage and no rupture requirement
Dongguan Beite packaging materials Co., Ltd. - located in Dongguan City, the world's manufacturing city, is a subsidiary of Beite packaging (China) Co., Ltd., with a plant area of 6000 square meters. It is a flexible packaging enterprise integrating R &amp; D, production and sales. It has a complete set of domestic advanced production equipment, a scientific and humanized management system and a group of experienced technical personnel For backing, to provide customers with quality products and first-class service.
The company produces composite bags, roll film, fruit bags, aluminum foil bags, suction mouth bags, self-supporting bags, zipper bags, anti-static bags, special-shaped bags, etc., which are suitable for the internal and external packaging of food, daily chemicals, electronics, toys, medicine, cosmetics, industrial products and other industries.
We uphold the integrity of cooperation, good quality, good service business philosophy, won the industry's approval, products sold to all over the world; welcome friends from all walks of life to inquire, visit our factory to investigate guidance and business negotiations.