# 3D printing filament ROSA3D ASA LW UltraFoam Dark Grey 0.75 kg refill Spectrum

**URL:** https://aio.lv/en/product--rosa3d-spectrum-81605lwasa--11973065
**Data updated:** 2026-03-11 16:05 (EET)
**Category:** 3D Printer Consumables
**Manufacturer:** ROSA3D
**Manufacturer code:** SPECTRUM-81605/LWASA
**EAN:** 5907138403015
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 51.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 42.97 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rosa3d-spectrum-81605lwasa--11973065

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

ROSA3D ASA LW UltraFoam is a 0.75 kg refill spool of ASA thermoplastic filament in Dark Grey (Spectrum). Designed for 3D printing, this lightweight (LW) UltraFoam variant offers the chemical and UV resistance typical of ASA while providing reduced weight through foamed structure. Suitable for functional prototypes, outdoor parts and models requiring improved rigidity and weather resistance.

## Long description

ROSA3D ASA LW UltraFoam Dark Grey 0.75 kg refill Spectrum is a lightweight ASA thermoplastic filament formulated for 3D printing applications that require improved weather resistance and reduced part weight. The foamed structure lowers material density while retaining the chemical resistance and UV stability characteristic of ASA. Supplied as a 0.75 kg refill spool in Dark Grey, this filament is intended for printers configured to use lightweight or foaming-compatible ASA materials and for users who need stiffer, durable parts with less mass.
Advantages
The UltraFoam formulation combines standard ASA properties—UV resistance, good dimensional stability, and chemical resistance—with a lower density due to controlled foaming during extrusion. This results in lighter parts without a proportionate loss of rigidity. The Dark Grey color provides neutral, professional-looking prints that mask minor surface imperfections. The 0.75 kg refill spool format reduces packaging waste and is convenient for frequent users or continuous production needs.
Suitable for
Functional prototypes and mechanical parts where reduced weight is beneficial
Outdoor components exposed to sunlight and varying weather conditions
Architectural models and display pieces requiring improved stiffness
Lightweight housings, brackets, and fixtures with chemical exposure
Key specifications
Material type: ASA (Acrylonitrile Styrene Acrylate) with UltraFoam lightweight formulation
Net filament weight: 0.75 kg refill spool
Color: Dark Grey (Spectrum)
Physical structure: Foamed/low-density filament for reduced part mass
Properties: UV resistant, chemically resistant, improved rigidity-to-weight ratio
How to use
Load the 0.75 kg refill spool into a 3D printer compatible with ASA materials and, if applicable, lightweight or foaming filaments. Use a heated bed and an enclosed or well-controlled print chamber to reduce warping and improve layer adhesion. Print settings such as nozzle temperature, bed temperature, print speed, and flow may require adjustment compared with standard ASA to account for the foamed nature of the filament; begin with manufacturer-recommended ASA ranges and fine-tune by test prints. Allow printed parts to cool gradually in a controlled environment to preserve dimensional stability.
Usage recommendations
For best results, use an enclosed printer or heated chamber, enable good bed adhesion methods, and perform calibration prints to determine optimal temperature and flow settings for the foamed filament. Post-processing such as light sanding or solvent-free cleaning can improve surface appearance; avoid aggressive chemical treatments that could compromise the foamed structure.

## FAQ

### How much does the ROSA3D ASA LW UltraFoam Dark Grey 0.75 kg filament cost, and is it available for purchase?

The price is 51.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ROSA3D products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ROSA3D service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11973065/67420403_large.webp