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How to Spec Cryogenic and Space Insulation: What to Send H-O for a Quote
Cryogenic and space insulation attracts underspecified quote requests because the geometry looks like the whole story: a blanket panel, a flange collar, a spacer. What the quote actually prices is the duty behind it, the temperature band, the outgassing budget, the contraction, and the fitted detail parts at the interruptions where the thermal budget is kept or lost. This is the ten-item checklist the H-O applications team works from, what engineering does with each item, and what comes back.
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The ten things to send, and what each decides
Cryogenic and space insulation attracts underspecified RFQs because the geometry looks like the whole story: a blanket panel, a flange collar, a spacer. What the quote actually prices is the duty behind the geometry: the service-temperature band, the outgassing budget, the contraction behavior, the vacuum and venting needs, and the fitted detail parts at the interruptions where the thermal budget is kept or lost.
This is the ten-item checklist the H-O applications team works from for aerogel blankets, MLI detail parts, spacers, and gaskets, drawn from the parent application page's own engineering-review list, plus what engineering does with each item and what comes back.
| Send this | What it decides |
|---|---|
| 1. Service-temperature band, honestly stated | The grade. Cryogenic-class aerogel for the cold lines, high-temperature aerogel for hot adjacencies; one parts package often spans both ends. |
| 2. The interruptions to insulate | The detail parts. Valves, flanges, supports, and closeouts are die-cut deliverables, not field improvisation; the thermal model's continuity lives here. |
| 3. Dew-point and humidity condition | The vapor layer. Below the dew point a sub-ambient grade with vapor-control behavior, sealed seams, and penetration details govern as much as the thermal layer. |
| 4. Outgassing budget and limits | Per-grade ASTM E595 screening of the construction as built (base plus adhesive plus liner) against limits framed by the mission M&P requirements. |
| 5. Thermal cycling and contraction | The cold-case gap stack. Resilient grades and a compression window verified at both temperature ends, because a part dimensioned warm goes loose cold. |
| 6. Vacuum behavior and venting | Vent geometry as a die-cut feature sized to the ascent profile, with the evacuated-insulation framing (ASTM C740) cited and ePTFE patches where particulate control matters. |
| 7. Mechanical and launch loads | Attachment, standoff, and wear details that survive vibration and acoustic loads without crushing the blanket or losing standoff distance. |
| 8. Integration method and kitting | Per-spool kits in installation order with engineered overlaps, so a drawing package becomes a repeatable build. |
| 9. Geometry and features: DXF, STEP, or PDF | Contour saddles, collar splits, vent perforations, overlap allowances, and spacer gap stacks, the converted features that decide whether the system delivers continuity. |
| 10. Prototype and production volumes | Converting method and price structure. Every part is made to order; prototype quantities through flight-set production are equally accepted, and MOQ varies by material and part. |
What engineering does with the list
Items 1 through 3 pick the blanket and vapor strategy: cryogenic-class aerogel for the cold lines, Pyrogel XTE for hot adjacencies, and a vapor-control grade where item 3 says the line runs below the dew point. Items 4 through 6 set the screening, the cold-case dimensions, and the venting: an ASTM E595 screen of the construction, resilient SOLIMIDE foam spacers cut to the cold gap, and ePTFE-patched vent features.
Items 7 and 8 become the attachment and the per-spool kit, with Kapton film MLI substrates where the program supplies the stack-up. Items 9 and 10 become the converting plan and the price structure.
What happens after you send it
- Drawing review. Engineering reviews the system against the vendor TDS: temperature band, interruptions, dew point, outgassing limits, contraction, venting, and loads.
- Material direction and quote. A family and grade direction with the TDS attached, the converted detail parts (valve covers, flange collars, saddles, spacers, vented MLI films), and pricing at your quantities.
- Samples. Typically 3 to 5 business days for common die-cut configurations on materials we keep on hand.
- Production. Standard runs ship about two weeks after drawing approval, including kitted per-spool detail sets; expedited service is available. Ongoing parts run with material traceability and lot-code TDS records.
Documentation available on request: material technical data sheet, certificate of conformance, and lot traceability, under our ISO 9001:2015 certified quality management system. H-O is a die-cut converter, not a raw-material producer: we do not manufacture the raw aerogel, film, membrane, or foam, we do not independently certify them, and thermal design and space-flight qualification belong to the program.
The mistakes this checklist prevents
| Spec mistake | What it causes | Checklist item that catches it |
|---|---|---|
| Fittings left to wrap-and-tape | Boil-off creeps past budget at the interruptions | Item 2, interruptions as detail parts |
| Cold line with ordinary seams | Ice grows under the insulation | Item 3, dew-point vapor details |
| Construction screened by family name | A detector fogs from an unscreened adhesive | Item 4, per-grade ASTM E595 |
| Spacer dimensioned at the bench | Loose cold, heat leak, chatter | Item 5, cold-case gap stack |
| Venting left as an afterthought | Blanket balloons on ascent | Item 6, vent geometry sized |
| Loose detail parts, no kit | Unrepeatable build across spools | Item 8, per-spool kitting |
Frequently asked questions
What information do I need to send H-O to quote a cryogenic insulation part?
Ten items turn the geometry into a quotable drawing: the service-temperature band, the interruptions to insulate (valves, flanges, supports, closeouts), the dew-point and humidity condition, the outgassing budget and limits, the thermal cycling and contraction, the vacuum behavior and venting, the mechanical and launch loads, the integration and kitting method, the geometry and features as DXF, STEP, or PDF, and the volumes. Send what you have; engineering frames the rest and flags any assumption.
Can H-O supply kitted insulation detail sets for spacecraft and launch programs?
Yes. The deliverable that keeps a cryogenic system's thermal budget is the kit of fitted detail parts: valve covers, flange collars, contour saddles, and support spacers die-cut to the real geometry, with engineered overlaps, kitted per spool in installation order, and lot-traceable. The thermal model assumes continuity at the interruptions; the kit is what delivers it. H-O die-cuts, knife-cuts, laminates, and kits these as an ISO 9001:2015 certified organization in Winsted, Connecticut.
Can H-O cross-reference the aerogel or MLI grade on my print?
In most cases, yes. If your drawing calls out a cryogenic aerogel, MLI film, membrane, or foam by a brand part number or an ASTM or NASA designation, engineering identifies a comparable grade from the lines we convert, matching on conductivity per ASTM C177, aerogel class per ASTM C1728, outgassing per ASTM E595, and the contraction and vapor behavior the joint requires. It is an industry cross-reference, not a guaranteed drop-in, verified against the vendor TDS before quoting.
How should venting be specified on an MLI blanket?
As a die-cut feature, not an afterthought. Send the ascent profile, or the depressurization rate, so the vent perforation pattern, edge vents, and any ePTFE-patched openings can be sized to it and drawn on the blanket like any other dimension. The evacuated-insulation framing is ASTM C740 by designation; the vent geometry itself is the program's to specify and ours to cut. A blanket vented for the ascent case keeps the standoff distances the radiation design depends on.
What lead time should I expect for samples and production?
Every cryogenic part is made to order, including samples. Samples typically ship in 3 to 5 business days for common die-cut configurations on materials we keep on hand; standard production runs ship about two weeks after drawing approval, including kitted per-spool detail sets; expedited service is available when timing is critical. MOQ varies by material and part, and prototype quantities through flight-set production are equally accepted.
Send the checklist, get a cryogenic insulation quote
Attach the geometry and as many of the ten items as you have. If something is unknown, say so; the review proceeds with the assumption flagged.
Samples typically ship in 3 to 5 business days for common die-cut configurations on materials we keep on hand; standard production runs about two weeks after drawing approval; expedited service is available. MOQ varies by material and part.
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Related reading
Request a quote for your cryogenic & space-systems insulation part
Send H-O your drawing or describe the part—engineering reviews every RFQ and converts samples on your geometry.
Last updated · Reviewed by H-O Products engineering (ISO 9001:2015 certified converter, Winsted, CT).
References
- ASTM C177 (steady-state thermal conductivity, the comparison basis); ASTM C1728 (flexible aerogel class methods).
- ASTM C740 (evacuated reflective insulation framing for MLI venting); ASTM E595 (outgassing, per grade).
- ASTM D1056 (compression behavior of the foam spacers across the temperature swing); NASA-STD-6016 (materials-and-processes framing, by designation).
- Manufacturer technical data sheets for the cryogenic and high-temperature aerogel, polyimide film, ePTFE membrane, flexible graphite, and foam grades named on the parent application page.
This article summarizes insulation material-selection principles for cryogenic and space systems using the families and published test methods cited on the parent application page. Comparisons are qualitative; per-grade values quoted are maker-TDS figures and must be confirmed on the manufacturer's current technical data sheet at your temperature, vacuum, and installed condition. Standards (ASTM, NASA-STD) are cited by designation for context, not as a claim of qualification.
H-O is a precision die-cut converter, not a raw-material producer, and does not perform thermal design, certify materials, or hold space-flight qualification; those belong to the program and its test houses.