Advantages of cooler bags

Cooler bags have five major advantages: 1. Save a lot of plastic bags and support environmental protection; 2. Clean and hygienic, the cooler bags themselves are water- and oil-proof, and all materials are environmentally friendly, with super abrasion resistance and wrinkle resistance; 3. The heat preservation and cold preservation effect are good. When the food…

Classification of filter bags

1. According to the shape of the cross-section of the filter bag, it is divided into a flat bag (trapezoid and flat) and a round bag (cylindrical). 2. According to the way of air inlet and outlet, it is divided into the lower air inlet and upper air outlet and upper air inlet and lower…

How to clean the filter bag

1. Gas cleaning: Gas cleaning is by means of high-pressure gas or external atmosphere to blow back the filter bag to remove the dust on the filter bag. Gas cleaning includes pulse blowing, reverse blowing and reverse suction. 2. Mechanical rapping for dust removal: divided into top rapping and middle rapping for dust removal (both…

What is PVC material?

PVC material is polyvinyl chloride. It is one of the largest plastic products in the world. It is cheap and widely used. Polyvinyl chloride resin is white or light yellow powder. It cannot be used alone and must be modified. PVC can be added with different additives according to different purposes, and polyvinyl chloride plastics…

What are the reasons for the popularity of PVC handbags?

1. There are multiple choices of transparent, opaque, and frosted materials; 2. Strong anti-fouling power; 3. Excellent insulation; 4. Moisture-proof and waterproof performance is good; 5. Recyclable, environmentally friendly, and low-carbon; 6. High quality and low price, beautiful appearance, good advertising effect; 7. A wide range of applications, suitable for food, electrical appliances, medicine, toys,…

Application of plastic bags

Plastic bags are light in weight, easy to shape, and have a wide range of applications. They can be soft, hard, wet, dry, sealable, breathable, and can be used once or for a long time. Since the introduction of plastics, it has been studied to use plastics to replace materials such as metal, wood, or…

Plastic bag production process

1. Determine the specifications and printed documents: Regarding the specifications of T-shirt bags, they are similar and non-uniform and can be customized according to customer requirements. Conventional specifications such as: 20*32cm, 25*40cm, 30*48cm, 35*55cm. The thickness of the single layer is not less than 0.025mm according to the standard of plastic limit order. The printed…

How to make kraft paper bags

1. Small white kraft paper bags. Generally, this kind of kraft paper bag is large in quantity and widely used. Many businesses require this kind of kraft paper bag to be cheap and durable. Machine operated. 2. The practice of medium-sized kraft paper bags. Under normal circumstances, medium-sized kraft paper bags are made of kraft…

Types of kraft paper bags

1: According to the material, it can be divided into: a. Pure kraft paper bag; b. Paper aluminum composite kraft paper bag (kraft paper composite aluminum foil); c: Woven bag composite kraft paper bag (generally larger bags). 2: According to the bag type, it can be divided into: a. Three-side sealing kraft paper bag; b.…