First, the technical standard (GB/T14312-93) introduces the requirements for waterproof clothing made from rubber-coated fabrics. These products must meet the following criteria: 1. The physical and chemical properties of the fabric should comply with the necessary standards. 2. The structural design of the protective clothing should be tailored to the specific needs of different work environments. 3. The garment's structure should allow for free movement during operation, minimizing the risk of snagging, pulling, twisting, or friction, which could make removal difficult. Appearance requirements for waterproof clothing include: 1. A smooth and clean surface. 2. No damage, dead folds, bubbles, knife marks, delamination, sulfur spray, sticking, or lack of glue. 3. Straight and even stitching, with appropriate elasticity. If the thread breaks, the needle should be re-stitched at least 1.5 cm away, and the seam should start 1 cm from the needle. 4. Symmetry differences should not exceed 0.5 cm, and the length difference between boots and pants should be less than 0.6 cm. 5. The trademark position should be correct, with clear and complete writing and no burrs. 6. Seam width should be at least 1 cm, and the glue width should be no less than 2 cm. 7. The color difference of patches should not be lower than 3. Second, the product requirements for waterproof clothing: 1. Protective clothing made from rubber-coated fabrics is designed for use by personnel working in water-spraying environments. It is cut, sewn, and glued, and must meet the "General Technical Conditions for Waterproof Clothing" (GB/T14312-93) as well as the "Labor Protection Raincoat" (LD30-92). The structure comes in split and long types, and materials include single-sided (Type I), double-sided (Type II), and laminated (Type III) rubber-coated fabrics. Common models include industrial hooded garments, live hats, water-resistant clothing, and underground protective gear. Main varieties and their features: - **Waterproof Clothing**: Made with single-adhesive waterproof material and tape, it can be worn in live or hooded styles. It is lightweight, has low water absorption, good waterproof performance, and is cost-effective. Suitable for open-air, underground, and areas with splashing water. - **Lacquer and Waterproof Clothing**: Constructed with waterproof plastic and adhesive tape, available in live cap and hood styles. Offers better wear resistance and comfort due to a cloth inner layer. However, thin coating may lead to leaks over time. Ideal for outdoor workers like those in forestry and transportation. - **Raincoats**: Available in various sizes and styles, including single, double, and triple layers, with options such as ponchos, double-breasted, and Tibetan styles. 2. **Underwater Garments and Water Pants**: Designed for shallow water operations, these garments include half-boots, caps, waistbands, and straps. They are divided into raw sticky and glued types. Underwater trousers consist of semi-boots, straps, and a waistband. They are suitable for aquaculture, drainage, and sewerage tasks, but diving is strictly prohibited. **Aquatic Products**: Includes tops, apron trousers, sleeves, and other types. Made with 50% plastic and natural 1,2 rubber, they are vulcanized for durability. Resistant to seawater and sunlight, they protect against fins and sharp objects, making them ideal for fisheries and food processing. China Labor Insurance Network