LZC1026
LZC1026 Universal PU thinner (Milesi 'Diluente universale')
Milesi universal thinner for 2K polyurethane and nitrocellulose products, medium evaporation, for 18–22 °C. No Technocolor product page of its own, but it is the listed thinner for the LBA/LBR PU primers, LGA22/LGA84/LDA846 lacquers, the KGA1 converter and the LJA99 acrylic sealer.
- Reducing 2K PU primers (LBA42, LBA521, LBA528, LBR102, LBR21811, LBR90) to spray viscosity
- Reducing the LGA22, LGA84, LDA846 PU lacquers and the KGA1 converter
- Reducing the LJA99 acrylic sealer (with LNB99)
- Per Milesi, also nitrocellulose (NC) products
Ask about LZC1026
Answers are based on the LZC1026 data and the products it mixes with.
Mixing matrix
- LZC1026Thinner% by weight: 20–40 %dealer
Clear PU sealers: close-grained wood 20 %; open-pored wood (mahogany etc.) 30–40 % on the first coat, 20 % on following coats.
Target ~18 s Ford 4. Extra reduction lowers surface tension so the sealer flows into the pores.
- LTZ40Additive% by weight: 0–5 %dealer
In very hot conditions — up to 5 % LTZ40 retarder instead of switching to a slower reducer.
LTZ40 is not in Technocolor's catalogue; the Technocolor route is the slow LZC8643 where it is listed.
| Role | Material | % by weight | % by volume | When |
|---|---|---|---|---|
| Thinner | LZC1026 | 20–40 %dealer | — | Clear PU sealers: close-grained wood 20 %; open-pored wood (mahogany etc.) 30–40 % on the first coat, 20 % on following coats.Target ~18 s Ford 4. Extra reduction lowers surface tension so the sealer flows into the pores. |
| Additive | LTZ40 | 0–5 %dealer | — | In very hot conditions — up to 5 % LTZ40 retarder instead of switching to a slower reducer.LTZ40 is not in Technocolor's catalogue; the Technocolor route is the slow LZC8643 where it is listed. |
Percentages are per 100 parts of component A.
Characteristics
- Density
- 0.850 ± 0.01 g/cm³ (specific gravity)datasheet
- Evaporation rate
- medium (definizione = medio)datasheet
- Working temperature
- 18–22 °Cdatasheet
- Solids
- 0recommended
- Pot life
- n/a for the thinner; reduced mixes keep the pot life stated for the coating (e.g. LBR102 2 h, LJA99 3 h, LGA20 4 h per TDS)recommended
- Not applicable
- viscosity, gloss, hardness, lightfastness, chemical_resistance, elasticity, thixotropic
Application
Other
- Nozzle
- n/a — follow the target productrecommended
- Spray viscosity
- ≈18 s Ford 4 for a PU sealer reduced 20 % with LZC1026dealer
- Gun flush
- Fine for flushing between coats; final clean-down with acetone (Pro Wood) or Milesi's acetone-based LZC1000.recommended
Not applied on its own; nozzle and pressure follow the product being reduced (see LBR102, LGA22 records etc.).
Process and compatibility
- Temperature and humidity
- Apply 18–22 °C, RH 65–70 %; not below 15 °C or above 30 °C; dry at ≥15 °C, RH 50–70 %; wood moisture 8–14 %dealer
- How to add
- Mix part A with hardener, then add LZC1026 and stir.; Dose by weight; % is of part A.; For volume: thinner SG ≈0.88 (on dense pigmented primers 20 % by weight ≈ 28–31 % by volume).; Add in steps, checking viscosity with a DIN4/Ford 4 cup (typically 16–20 s).recommended
Storage
- Packaging
- 5 ldealer
- Shelf life
- not published; stable in the sealed original canrecommended
- Storage temperature
- indoors 0–35 °C, ventilated, out of sunlightdealer
Mixed into
KGA1 / KKR1 / LBA42 / LBA521 / LBA528 / LBR102 / LBR21811 / LBR90 / LDA846 / LGA20 / LGA21 / LGA210 / LGA22 / LGA531 / LGA532 / LGA533 / LGA84 / LJA99 / LJR601 / LNB17 / LNB5 / LNB6 / LNB613 / LNB77 / LQA836 / LTC40 / LZC1026
Sources
Value tags: “official”, “dealer”, “catalog”, “schedule” are Technocolor data; “workshop” is from our own datasheets; “recommended” is our engineering estimate (hover to see the reasoning).
- Milesi LZC series sheet: LZC1026 'Diluente universale', SG 0.850 ± 0.01, clear colourless, medium, all PU & NC at 18–22 °C
- t-colormarket search — no result
- UK Milesi distributor: 'LZC1026 UNIVERSAL PU THINNER', 5 l
- Pro Wood (Milesi US distributor): LZC1026 as reducer for PU sealers, % on Part A only, species-dependent reduction, LTZ40 retarder, tip sizes/pressures, conditions (URL now returns 403/HTML; verified from local copy out/dealer/lga210/prowood_clear.pdf — 'Finishing Procedure for Milesi LBA26 Clear Polyurethane Sealer')
- LJA99 TDS: LZC1026 30 % w/w = 32 % v/v, SG 0.883
- LBR102/LBR90 TDS: LZC1026 20 % w/w = 31 / 28 % v/v, SG 0.879 (URL now serves HTML, not the PDF; figures cross-checked against LBR102/LBR90 records built from the same TDS)
- LGA20 series TDS: LZC1026 20 % w/w = 22 % v/v, SG 0.875
- LGA2x TDS: 10–30 % LZC1026 or LZC1051; above 25 °C 30–50 % LZC8643
- KKR1 TDS: LZC1026-LZC8643, 10–30 %
- LGA532 TDS: 10–30 % LZC1026
- LBA528 TDS: LZC1026 or LTC40; spray 15–25 %, electrostatic 20–40 %
- Official KGA1 page listing LZC1026 dosage
Not covered by the sources
- No official t-color.ru product page and no t-colormarket.ru listing (no dealer technical-characteristics block)
- No single-product TDS/SDS for LZC1026 (faichim.com links return 404); only the 1998 Milesi LZC collective sheet
- Density discrepancy: 0.850 (1998 sheet) vs 0.875–0.883 (current product TDS)
- Evaporation class ambiguous: 'medio' (Milesi sheet) vs 'fast reducer' (Pro Wood)
- Solvent composition, flash point, VOC not published
- Technocolor pack sizes and shelf life not published
- Not used in any official Technocolor finishing schedule (information/technology pages)
- Basis of % not stated on t-color.ru (assumed part A, per Milesi/Pro Wood)
- LTZ40 retarder and LZC941 alternative not in Technocolor catalogue
- kemichal.uk dealer page and both prowoodfinishes.com PDFs no longer fetchable (2026-10-05); Pro Wood LBA26 procedure verified from local copy, White/Black primer TDS figures not re-verifiable
- Evaporation of LZC1051 vs LZC1026: Milesi sheet rates both 'medio'; treating LZC1051 as the slower option rests on UK/US dealer wording ('quick-evaporating' LZC1026 vs 'medium drying' LZC1051)