Description
Polycarbonate diol (PCD) is a kind of polyol chemical materials, with two ends -OH functional group molecular, and molecular weight ranges from hundreds to thousands. Its molecular chain contains aliphatic alkyl and carbonate repeat unit, chemical property resemble aliphatic polyester and polyether polyol rather than general polycarbonate materials. Polycarbonate diol usually used for the synthesis of urethane resin, acrylic resin, polyester resin and other materials. It can also be used as polyurethane-based coating formulations synthetic leather, inside decorative material of the car, smart phone, computer and other products, providing an extreme durability and a high performance to the final polymer.

Description
Paint protection film is also known as to as clear bra, clear paint film, PPF and clear film. It is a thermoplastic urethane film and also utilizes polymeric calendered PVC film, adhesives and clay coated paper. It is majorly applied on exposed painted automotive exteriors such as side mirrors, hoods, door edges, door handle cavities, bumpers, rocker panel, and wheel flare. The film provides protection from stone chips, bug damage, automotive fluid stains, road tar stains, scratches, and punishing outdoor weathering.

Description
Sodium hydrosulfide is a chemical compound that is represented using the formula NaHS, which can solute in water and alcohol. Usually, it is cubic crystal of orange or yellow and solution in the industry. Sodium hydrosulfide can be used for pulp and paper, copper flotation, chemical dye manufacturing, leather tanning and other fields.

Description
"L-Alanine is a nonessential α-amino acid and which is a white crystalline solid or powder without odour. It can be dissolved in water, ethanol, insoluble in ether and acetone.
L-Alanine can be obtained by enzyme catalysis method and fermentation method. L-Alanine can be found in a wide variety of foods, but is particularly concentrated in meats."

Description
"Decorative laminates are laminated products primarily used as furniture surface materials or wall paneling. It can be manufactured as either high- or low-pressure laminate, with the two processes not much different from each other except for the pressure applied in the pressing process.
High Pressure Laminate (HPL) is composed of resin-impregnated Kraft paper, decorative paper face material and a clear melamine-impregnated overlay. These sheets are bonded at pressures greater than 1000 pounds per square inch and temperatures approaching 300 F (149°C).
HPL is available in hundreds of solid colors, wood grains and abstracts with multiple finishes to select from as well."

Description
Dry mouth, or xerostomia (zeer-o-STOE-me-uh), refers to a condition in which the salivary glands in your mouth don't make enough saliva to keep your mouth wet. Dry mouth is often due to the side effect of certain medications or aging issues or as a result of radiation therapy for cancer. Less often, dry mouth may be caused by a condition that directly affects the salivary glands.

Description
This report studies the Brass Rods market, Brass Rods are used to production the force components. Such as pins, rivets, washers, nuts, pipe, pressure gauge, screen, radiator parts. According to the material, it can be divided into two kinds: one kind is common Brass Rods, which are comprised of copper and zinc; the other kind is special Brass Rods, which is comprised of copper, zinc, Sn and other metal. Mechanical properties and wear resistance of Brass Rods is good, therefore it has been widely used to manufacture precision instruments, ship parts, automobile parts, appliances parts, and instruments parts.