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Polyurea Coating For Loudspeaker Box

Item No.: PS500E
High-end loudspeaker boxes used at theater,auditorium and venue are mostly made of timber material.To protect and decorate the wood structure of speaker,producers tried many solutions but not so effective.PS500E Polyurea coating is a perfect match with th
Description
PS500E is a kind of material with high crosslinking density and certain elasticity, more than 30% elongation at break, dense coating and low water absorption . PS500E is the state of the art 100% solids, ultra fast cure, flexible, spray-applied, high build, and two components aromatic pure polyurea elastomer. The system consists of A component, a quasi-prepolymer rich of free NCO, and B component, a mixture of polyetheramines, amine extenders and other additives. PS500E is relatively moisture and temperature insensitive, allowing application in the most problematic ambient conditions. It is  is seamless, ultra high strength, high-elongation, impact resistant, anti-corrosion, and aging resistance .
Features
1. Without any thinner, environmental protection,high performance of resistance to acid,alkali,salt,sulfide
2. Elongation, high flexibility, can adapt to the basic cracks and slight deformation;
3. Good aging resistance
4. fast-set, can be sprayed on any surface, slope, vertical surface;
5. Convenient construction, spraying a film.
Performance
Volume solid content 100%
Hardness(Shore A) 95
Density 1.05g/cm3
Elongation ≥200%
Tensile strength 25MPa
Impact strength  ≥50N/mm
Water impermeability 0.4MPa,60min
Wear resistance (750g,500r)  10mg
Impact resistance 1.5kg.m
Electric strength 15kv/mm
Ratio/volume 1:1
Temperature variation -35------+120°C
Heating temperature 60-70°C
Gel time(sec) 7-15
Tack free time(sec) 30-50
Water resistance(30d) no rust no bubbles no peel
Acid resistance (10%H2SO4 or 10%HCI, 30d) no rust no bubbles no peel
Alkali resistance 10%NaOH, 30d  no rust no bubbles no peel
Salt resistance 60g/L, 30d no rust no bubbles no peel
Salt spray resistance (2000h) no rust no bubbles no peel
Oil resistance 0# diesel crude oil 30d  no rust no bubbles no peel
Flash point 200°C
Applications
Movie props,loudspeaker box, furniture
Package
Two-component, A component 220KG / 200L barrel, B component 210KG / 200L barrel.
Storage/Shelf Life
Ideal storage condition is 5-35 ℃ in cool and dry place, avoid direct sunlight. / Nine months