MATERIALS, ADHESIVES AND COATINGS
ISB-910 / PST-917 / UST-920 — fire-resistant polyester and polyurethane coatings for cabin wood
Country: USA · Model: ISB-910 / PST-917 / UST-920
A multilayer coating system for wooden elements of business aircraft cabins, including veneered panels, tabletops and cabinets. It consists of the isolating base ISB-910, fire-resistant polyester finishes PST-917 and PST-922 and clear polyurethane topcoats UST-920 and UST-935. All layers work together and meet the OSU fire resistance requirements and FAR 25.853.
- Isolating base
- ISB-910 — BAMS 800-002 Type I, PPI-500.45.044; 1:1 with ISC-909
- Polyester finishes
- PST-917, PST-922 — flexible fire-resistant, FAR 25.853.60, BAMS 800-002 Type I, PPI-500.45.044
- Polyurethane topcoats
- UST-920 (semi-gloss 20°), UST-935 (semi-gloss 35°), BAMS 800-002 Type II/III; 2:1 with USC-902
- Additives
- promoters PSC-507, ADD-911 (1–2 % by volume), catalyst PCC-901 (2 % by volume), thinners RED-912/913/914/937/939
Technical specifications
| Isolating base | ISB-910 — BAMS 800-002 Type I, PPI-500.45.044; 1:1 with ISC-909 |
|---|---|
| Polyester finishes | PST-917, PST-922 — flexible fire-resistant, FAR 25.853.60, BAMS 800-002 Type I, PPI-500.45.044 |
| Polyurethane topcoats | UST-920 (semi-gloss 20°), UST-935 (semi-gloss 35°), BAMS 800-002 Type II/III; 2:1 with USC-902 |
| Additives | promoters PSC-507, ADD-911 (1–2 % by volume), catalyst PCC-901 (2 % by volume), thinners RED-912/913/914/937/939 |
| Curing | UV, chemical and dual (per manufacturer data) |
| Fire safety | OSU fire resistance requirements; FAR 25.853 |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The base ISB-910 (BAMS 800-002 Type I, PPI-500.45.044) is mixed with ISC-909 at 1:1 and separates the wood from the following layers. The flexible polyester finishes PST-917 and PST-922 have FAR 25.853.60 and are supplied in 1-gallon cans and 5-gallon pails. The topcoats UST-920 and UST-935 are semi-gloss, with gloss levels of 20 and 35 units, to BAMS 800-002 Type II and Type III; the hardener USC-902 is given at 2:1, and the kit is 1.5 gallons. The dosage of the polyester promoter PSC-507 and the promoter for light tones ADD-911 is 1–2 % by volume, and of the catalyst PCC-901 2 %. The thinner RED-912 is used for lower temperatures, RED-937 for higher ones, and RED-913, RED-914 and RED-939 for types II and III. The formulations are made with ultraviolet, chemical and dual curing at plants certified to AS9100D and ISO 9001:2015.
How to choose
The choice starts with the curing mechanism, because the catalyst and promoter depend on it. For clear finishing that keeps the look of the wood, the polyurethane topcoats UST-920 or UST-935 are used, and the difference between them is the gloss level, 20 or 35 units. For a flexible fire-resistant layer, PST-917 and PST-922 are suitable. The thinner is selected by the shop temperature, and the formulation is adapted to the requirements of the customer's program.
Request a price and lead time
ISB-910 / PST-917 / UST-920 — fire-resistant polyester and polyurethane coatings for cabin wood. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the mixing ratio of ISB-910 and the UST topcoats?
ISB-910 is mixed with ISC-909 at 1:1, and the topcoats UST-920 and UST-935 with the hardener USC-902 at 2:1.
What is the dose of promoters and catalyst?
The promoters PSC-507 and ADD-911 are added at 1–2 % by volume, and the polyester catalyst PCC-901 at 2 % by volume.
Which fire safety requirements does the system meet?
The system meets the OSU fire resistance requirements. The polyester finishes PST-917 and PST-922 have FAR 25.853.60.
In what containers are the polyester finishes and topcoats supplied?
PST-917 and PST-922 are supplied in 1-gallon cans and 5-gallon pails, and the topcoats UST-920 and UST-935 in kits of 1.5 gallons.
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