Perineal urethrostomy can be used for obstructive urolithiasis. PU is a short term fix in most ruminants due to rapid stricturing and reobstruction. It is considered a salvage procedure and is no longer commonly performed as penile amputation is easier. The surgery needs to be performed proximal to the obstruction (typically the sigmoid flexure).

2025年1月6日 · PU leather, or polyurethane leather, is an artificial leather made of thermoplastic polymer used for making furniture or shoes. 100% PU leather is completely artificial and is considered vegan.

牛皮革是以生牛皮经过化学处理及物理加工，转变为一种不易腐烂、具有柔韧和透气等性能的产品。 [5] 根据现行标准QB/T2262-1996《皮革工业术语》中对皮、革的定义 [1]，“皮”是指取自动 …

2024年4月16日 · PU (Polyurethane) leather is a more affordable, vegan alternative to genuine leather, boasting benefits like water resistance and easier maintenance, making it suitable for places like kitchens and bars.

对于比较骚气文艺范儿的Brouge和Oxford皮鞋，有的标注材料为Nubuck,有的标注为Suede，这两者有什么区别吗？ 哪个是头层牛皮？ 全粒面 (Full Grain)：就是所谓的头层牛皮。 头层是中文 …

人造革 （PU/PVC/合成革）虽然外观上可以模仿出真皮的天然纹路样子，但实际使用就会知道，穿戴起来较为 闷热 （比如皮衣、皮鞋）、 不透气，触感及质感远不及牛皮，之前有位朋友在找我定制手表带时提到，自己之前买表自带的表带戴起来 闷，天热后还会发 ...

2024年6月2日 · PU leather is a type of synthetic leather that may initially have the feel and appearance of genuine leather, but is less expensive, less durable, and often contains chemicals and polymers that help create a convincing illusion!

PU leather, also known as polyurethane leather, is indeed a type of synthetic leather that is not derived from cows or any other animals. Unlike genuine leather, which comes from animal hides, PU leather is made by applying a polyurethane coating to a base material, usually fabric.

Cow split leather is a combination of the second layer leather and PU resin. The cow split leather is generally weaker than the first layer leather in terms of toughness, feel and abrasion resistance, so the price is lower than the first layer leather. The cow split leather is suitable for making middle and low-grade leather products.

2010年6月25日 · Kuo Yuen Tannery is the major supplier of cowhide split leather (Quality ECO PU Coated Split, Suede, and Functional, Fashionable Articles ) and an approved vendor to Nike, Adidas, Under Armour, New Balance, Reebok, VANs, K-Swiss, Columbia, The North Face, Ralph Lauren, and other Premium Leather Good brands.