Polyurethane rigid foam is mostly porous structure, with good insulation effect, light weight, high specific strength, convenient construction, heat and other excellent characteristics, shock resistance, electrical insulation, heat resistance, cold resist
50W laser marking machine is a type of laser engraving machine which adopts fiber laser source for metal and non-metal deep engraving. A fiber laser engraver is the best way to engrave metals and non-metals without tools.
Double glass reactor main sealing parts pure PTFE material, guarantee absolute vacuum system.10L~200L jacketed glass reaction vessel customize,ISO & CE certification high quality guarantee,1 year warranty period,support global shipping.
1060 aluminum coil has a flat surface, high cleanliness, suitable for polymer welding, and the product has good elongation and tensile strength, which can fully meet the conventional processing requirements (stamping, stretching) and high formability.
1. Frequency control, AC induction motor, speed digital display constant,safe and stable.2. Work continuously, customization support.3. Factory directly sale with most competitive price, in stock fast delivery.
Hydroxypropyl Methylcellulose (HPMC) is multifunctional as a lubricant, foam enhancer and stabilizer, thickener, emulsion stabilizer and film former for hair and skin care products.
HPMC Hydroxypropyl Methylcellulose is a gum formed by the reaction of propylene oxide and methyl chloride with alkali cellulose. it will gel as the temperature is increased in heating and upon cooling will liquefy.
Acid Yellow 59 is dark yellow powder, mainly used for dyeing and direct printing of wool, silk and nylon, and also for leather coloring. Sinoever is reliable Acid Yellow 59 supplier in China.
Sinoever is an reliable and professional Acid Yellow 17 supplier in China. Our Acid Yellow 17 is in excellent light fastness, good level dyeing properties and wet fastness. It's suitable for dyeing of Wool, Nylon, Jute, Leather, Silk and acid Dyeable Acry
HPMC(Hydroxypropyl Methylcellulose) is a non-ionic cellulose ethers that have had hyrdroxyl groups on the cellulose chain substituted for a methoxy or hydroxypropyl group,it is a white or slightly off-white powder without any distinct odour or taste.
Pigment Yellow 139 has a specific surface area of 56m / g, excellent light fastness, climate fastness, heat resistance and migration resistance, which makes it widely used.