Name: Creality CR-Silk 1.75mm PLA 3D Printing Filament 1kg - Rainbow
Brand: Creality

Summary

Creality CR-Silk is a PLA-based 1.75 mm filament with a glossy silk finish, sold on 1 kg spools in 12 colors including Rainbow, aimed at display prints and props rather than functional parts. Check the missing spec sheet before you buy: Creality’s store page lists no printing temperatures, tolerance, or spool dimensions.

Strengths

Glossy silk finish with visual pop for display prints, props and gifts.
Smooth feeding and reduced tangling from mechanical winding.
Owners on Reddit generally rate Creality’s CR line as good or better-than-average.
Easy printability inherited from the PLA base, with no warping.
Twelve color choices including Rainbow, wider than many single-color competitors.
Vacuum-sealed with desiccant after 24 hours of pre-drying.

Weaknesses

Silk PLA is more brittle than standard PLA with weaker layer adhesion; thin features can snap.
Creality’s store page omits printing temperature, tolerance and spool dimensions.
Tolerance claims conflict: +/-0.02 mm versus +/-0.03 mm across listings.
“Compatible with 99% of FDM printers” is an unverified marketing claim.
Possible moisture issues on arrival; popping or bubbling if the filament is wet.
Color may differ from product photos.

Verified specifications

Material	PLA-based with additives for a silk gloss finish.
Diameter	1.75 mm.
Dimensional accuracy	+/-0.02 mm per some listings, +/-0.03 mm per another.
Spool weight	1 kg (2.2 lb).
Color variants	12 colors, including Rainbow.
Raw material	starch-derived PLA from renewable plant resources.
Pre-drying before packing	24 hours; vacuum-sealed with desiccant.
Winding	full mechanical winding with manual examination; larger spool inner diameter for smoother feeding.
Diameter control	advanced CCD diameter measuring with self-adaptive control.
Warranty and returns	up to 12-month warranty, 14-day return and refund, lifetime customer support.
Compatibility	99% of FDM/FFF printers with heated beds and 3D pens (marketing claim).
Creality store printing temperatures	not published on the product page.
Spool outer dimensions and inner diameter: not published by Creality.

Full research notes and sources

Finish and print settings

Creality describes CR-Silk as PLA-based filament with added materials for a high-gloss silk finish, intended for decorations, structures and artwork. The store page itself is marketing-only: high gloss, smooth feeding, metallic color, neat winding, with no printing temperatures, tolerance, or spool dimensions. A YouTube temperature-tower test covers six Creality filaments including CR-Silk. No instrumented laboratory test of this exact filament was found.

Brittleness and functional parts

Silk PLA is more brittle than standard PLA and has weaker layer adhesion, so thin features can snap. It is suited to display prints, props and gifts rather than functional parts. Quality consistency across production batches is an unresolved risk for some silk PLA brands, and color may differ from listing photos.

Moisture and storage

Moisture shows up as popping or bubbling during printing; drying at 45 C for 4-6 hours is recommended. Store the filament sealed between uses. It ships vacuum-sealed in a PC bag with desiccant after 24 hours of pre-drying. Routine ownership is just keeping it dry; filament is a consumable with no repair path.

Is it worth it?

Creality’s US store lists CR-Silk at $19.99 with a $28.99 compare-at price, plus tiered discounts at buy 5, 10 and 20 spools. That puts it in the budget silk-PLA tier alongside SUNLU, GIANTARM and AMOLEN options. Value depends on finish preference: silk PLA is for decorative and display prints, not functional parts. Creality offers 12 colors including Rainbow, a wider range than many single-color competitors. Open questions remain: official Creality print settings, batch consistency, and the tolerance discrepancy between listings.

Which model this is

This page covers the Creality CR-Silk 1.75 mm PLA filament on a 1 kg spool in the Rainbow color, one of 12 listed colors. The Rainbow variant corresponds to ASIN B0BZCYQP4B. No manufacturing revision or batch-code documentation was found.