A: Waterproof socks used waterproof membrane to achieve 0.03MM tongue table material fit; waterproof Oxford cloth + waterproof membrane 0.03 thick +4 MM foam +28 GT/C or use net cloth film process. Womens Coats,Long Coat For Women,Womens Long Puffer Coat,Warm Coats For Women Ningbo Ysang Garment CO.,LTD , https://www.nilesonegarment.com
Two: The waterproof membrane should be smooth and not be wrinkled or damaged. Waterproof material testing should reach 10,000 water pressure.
Three: Waterproofing the inner part should pay attention to the cutting direction (straight knife) during the cutting process. Care should be taken to protect the waterproof film and not be scratched by the trowel.
4: Hot water sewing machine must be adjusted correctly when the car is waterproof. The temperature adjustment depends on the material of the waterproof strip. The temperature is 360-375, the pressure is 2.5KG, and the speed is 200-400 rpm (according to the proficiency of the operation). The nozzle pressure is 0.6KG. Special attention should be paid to the gas volume of the hot air sewing machine, not too large to prevent damage to the waterproof membrane (need to adjust first).
Five: waterproof inner seam must be used 40 # waterproof cable seam can not be wiring or line and universal, there can be no overlap phenomenon, universal needle spacing 8 needles / inch, width 5-6MM.
6: Waterproof strips should not have wrinkles or bubbles. Special attention should be paid to the compression of both sides of the waterproof strip. There must be no looseness or wrinkles. In particular, where the corners or turns are relatively large, the pressure strips should be positive and should be pressed against the universal. The middle of the line cannot be offset and overlapped too much.
Seven: socks; car waterproof bar after passing the test can be combined with the upper.
Eight: Needle car nails should not be too long or not round, otherwise it will cut waterproof socks.
Nine: If there is a useful PVC reinforcement, needle car PVC reinforcement should be positive paste, PVC reinforcement first positive brush on the PVC treatment agent, to brush evenly in place, etc., then dry on the waterproof glue, over the oven until dry and then paste Together.
Ten: After sewing the parts on the back of the sewing machine, the back of the sewing seams should be brushed with waterproofing agent with a brush, and the waterproofing agent can not be brushed so much that it will not soak into the outside. When it is dry, apply a waterproof glue to stick the joint firmly. In the lower half of the face test, there must be a waterproof glue in the joint position of the water-soaked parts, and a waterproof umbrella cloth should be affixed to it, and it should be adhered firmly. Special attention should be paid to the position of the toe, mouth, and the tongue. Agent, dry and then brush waterproof plastic and paste umbrella cloth.
Eleven: tongue cotton, adjacent cotton, light spray waterproof agent.
Twelve: The upper side of the buttonhole is to be affixed with soft materials (1.2) to avoid scratching the waterproof membrane.
Thirteen: In the process of molding the glue, Hong Kong Bao water can not be brushed too much. Forming paste in the bottom of the floor to use benzene-free plastic or anti-adhesive. Forming into the coffin and strive to complete, can not touch the sharp object or force too much resulting in a waterproof film rupture.
Fourteen: When molding the pliers, socks should be glued or dispensed after the pliers. After the pliers, the toe should be pasted with oil paper or PE paper to prevent the waterproof film from being worn when the pliers are cut.
Fifteen: After the shoe has been molded, the face of the entire shoe must be sprayed with water repellent after being completely frozen. Special attention should be paid to the tongue and the position of the mesh should be sprayed in place.