DDI is a bio-based, non-yellowing diisocyanate for formulators developing polyurethane coatings, adhesives, elastomers and prepolymers. This article outlines the main selection points to review before introducing DDI into a new formulation.

bio-based isocyanate, DDI, REACH, polyurethane coatings

The chemical filter element produced by our factory are mainly made of standard five-layer sintered mesh by superposition and vacuum sintering.

Our high temperature dust removal filter element is made of multi-layer stainless steel wire woven mesh pressed by special wire blending process and sintered by vacuum furnace.

Our fluidization device in coal injection is mainly used in industrial gas distribution control, powder transportation and fluidization operations.

Stainless steel powder sintering filter element is made of stainless steel powder by pressing through mould, sintering at high temperature and forming as a whole.

The sintered mesh fiber felt produced by our company is made of extremely fine steel fiber (micron grade) by sintering in high temperature after special non-woven matching and laying.

The standard five-layer sintered woven wire mesh is a new filtering material with high strength and overall rigidity.

The cutting edge of laser-cut stainless steel slot liner pipe is smooth without burr and the slot width is 0.2-0.5mm.

Our Johnson wedge wire screen is made of stainless steel wedge wire and support wire welded on the automatic welding machine.

The stainless steel laser slot liner screen pipe produced by our factory has good rigidity, abrasion resistance, uniform slot and high filtration efficiency.

The stainless steel 304,316 Johnson type wedge wire screen is the most widely used one in all kinds of water resource filtration screen.

The stainless steel bridge slot screen made in our factory is of high strength and not easy to be blocked.

The advantages of the stainless steel laser slot liner pipe produced by our factory in the use of inclined and horizontal wells are very obvious.

Our stainless steel wedge wire screen pipes are made of stainless steel wedge-shaped wires with excellent chemical stability and corrosion resistance.

The stainless steel bridge slot screen pipe produced by our factory has excellent corrosion resistance and strong filtration capacity.

The stainless steel slotted liner pipes produced in our factory have good abrasion and corrosion resistance.

Our company produces the johnson type stainless steel wedge wire screen with strong structure and good mechanical performance.

Our bridge slot screen with accurate bridge slot is an ideal well filter, which is often used in well and well filtering drilling engineering.

Laser slot liner pipe is used to cut the slot of different specifications on the casing with laser beam.

The stainless steel wedge wire screen produced by our company is composed of v-shaped wire wrapping and support rod.

The bridge slot screen produced by our company is mainly made of stainless steel 304, 304L, 316 and 316L.

The laser slot liner pipes produced by our company are very popular with customers in Asia and Africa.

The material of our company's all welded wedge wire screen is mainly stainless steel, which is more resistant to corrosion.

The stainless steel bridge slot screen pipe produced by our company is made of steel plate punching and rolling, which is light in weight and low in price.