Features of self-skin polyurethane foaming agent:
1. It has a continuous and dense surface layer and a high-strength honeycomb structure with interconnect wall with the obturation rate up to 95%;
2, waterproof, heat preservation, heat insulation, gas insulation, corrosion and other characteristics.
I. material introduction:
Polyurethane self-skin foam composition, its B component is modified isocyanate, its A component is composed of polyether polyol, foaming agent, catalyst, foam stabilizer and other raw materials. Self-leather products include car steering wheel, chair armrest, truck steering wheel, car sun visor, sporting goods, fitness equipment, child tire, medical equipment cushion, amusement facilities and toys.
2. Reaction data and foam performance (customizable) :
Usage ratio (polyether: isocyanate) | 100：45~60 |
Inspired by the time（sec） | 10-25 |
gelation time（sec） | 35-40 |
stripping time（sec） | 200-360 |
Free bubble density（kg/m3） | 100-200 |
Cortical density（kg/m3） | 900-1000 |
global density（kg/m3） | 200-400 |
The thickness of the crust（mm） | 1.0-1.5 |
Surface average hardness | 30-75 |
tensile strength（MN/m） | 3.5-6.0 |
elongation at break（%） | 70-80 |
tear strength（MN/m） | 3-5 |
Packing specification: galvanized iron drum, white 200kg/ drum, black 240kg/ drum.
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