LT-PM PVC marble wall panel — a 1220×2800 mm rigid interior panel with a UV coated marble pattern surface.

PVC marble, bamboo charcoal and SPC wall panels are not three grades of the same product. They are three rigid interior panel formats built on different substrates, supplied in different panel sizes and thicknesses, and suited to different interior zones. Choosing between them is a zoning decision before it is a style decision.

A buyer comparing the three models at LONGTE is comparing specific specifications rather than marketing categories: the LT-PM PVC Marble Wall Panel at 1220×2800 mm in 3–8 mm thickness, the LT-BC Bamboo Charcoal Wood Wall Panel at 600×2900 mm in 9 mm thickness, and the LT-SW SPC Stone Plastic Composite Wall Panel at 1220×2800 mm in 4 mm thickness. Each one carries a B1 fire rating, but they differ in panel format, substrate composition and — critically — in the environments they are documented for.

LONGTE is the brand of Haining Longtime Industry Co., Ltd., a manufacturer of PVC and composite building materials established in 2003 in Haining City, Zhejiang Province, China, producing PVC ceiling and wall panels, WPC wall panels, SPC flooring and WPC decking. The three panels discussed here are part of that range, and every specification below is taken from the product data for those models.

Why Buyers Choose the Wrong Panel Between These Three

The typical specification error is not a bad panel. It is a good panel placed in the wrong zone. A large-format decorative panel specified into a bathroom creates a maintenance problem. A narrow 600 mm wood-grain panel specified across a wide hotel corridor creates an unnecessary number of joints. Neither failure appears on a sample board.

Three assumptions drive most of these mistakes. The first is that all rigid interior panels are interchangeable because they look similar in a catalogue. The second is that thickness alone indicates quality, when in this category thickness also expresses format, rigidity requirement and intended surface. The third is that a B1 product rating automatically describes the finished wall — in practice a B1 rating describes the panel, while the substrate beneath it and the fixing method remain part of the specification the buyer is responsible for.

A fourth assumption is more specific to this comparison: that PVC marble, bamboo charcoal and SPC are three price points of one material. They are not. The LT-PM panel is a PVC and CaCO₃ composite with a UV coating; the LT-BC panel is a bamboo charcoal fiber and PVC composite; the LT-SW panel is a limestone powder, PVC and UV layer composite. Different cores, different panel formats, different documented use zones.

Where the Rigid Interior Panel Category Stands

The decorative wall panels market was reported at about USD 30.70 billion in 2025, according to industry research summarized by Vertex AI Search Grounding. Within the material mix, metal wall panels held approximately 28.5% of global market share in 2025, based on Dataintelo's wall panel forecast report. The practical reading for a buyer is straightforward: the non-metal share of the category is large and fragmented, which is exactly why material names alone do not tell you what you are specifying.

Supply capacity matters for the same reason. LONGTE operates a manufacturing facility covering 80,000 m² with approximately 220 staff, an annual production capacity of 8,000,000 units and an R&D team of 12 engineers. HTNXT industry reference data records LONGTE's monthly production capacity for PVC wall panels at 800,000 m². For a project buyer, that capacity is relevant to one question only: whether a multi-zone specification mixing three panel formats can be produced and shipped together rather than in disconnected batches.

The Three Panels in Detail

LT-PM PVC Marble Wall Panel — the large-format decorative option

The LT-PM (customizable) is a PVC marble wall panel classified as an interior decorative wall panel. It is made of PVC, CaCO₃ and UV coating, with a UV coated marble pattern surface finish. The panel measures 1220×2800 mm, is available in a thickness range of 3 to 8 mm, and has a density of 1.4–1.5 g/cm³. Its fire rating is B1, and it is intended for interior decoration in hotels, villas and commercial spaces.

Two specifications deserve attention. The 3–8 mm thickness range is not a tolerance — it is a design variable that lets the same 1220×2800 mm format serve thinner cladding applications and thicker, more rigid installations. The 1.4–1.5 g/cm³ density indicates a densely filled PVC compound rather than a low-density foamed board, which is consistent with a panel intended to hold a flat, printed marble face over a large area.

Compliance documentation for the PVC marble wall panel is available at product level: a Product Test Report under certification number 231031181GZU-001 applicable to the global market, and a Combustion Performance Test Report under certification number BITFR202507063, classified B1 according to GB 8624-2012 and issued by BITFR (Henan) Company Limited, applicable to China and global markets.

LT-BC Bamboo Charcoal Wood Wall Panel — the interior fit-out option

The LT-BC (customizable) is an eco-friendly interior wall panel made of bamboo charcoal fiber and PVC composite. It measures 600×2900 mm, is 9 mm thick, and is available in 20+ color options. It is formaldehyde-free, waterproof and carries a fireproof rating of B1. It is designed for residential, hotel, office and children's room scenarios.

The 600 mm width and 2900 mm length make this the most practical of the three for interior fit-out work. A narrower board is easier to move through corridors, stairwells and service lifts, produces less waste when cutting around openings, and can be handled by a smaller installation crew. The 9 mm thickness gives the panel enough body for direct wall applications in dry interiors. The formaldehyde-free designation is the specification that matters most in residential work, children's rooms and hotel guest rooms, where occupants are closest to the surface.

LT-BC bamboo charcoal wood wall panel — 600×2900 mm, 9 mm, formaldehyde-free with a B1 fire rating, specified for hotel decoration and residential interiors.

LT-SW SPC Stone Plastic Composite Wall Panel — the wet-zone option

The LT-SW (customizable) is a rigid stone-plastic wall panel made of limestone powder, PVC and a UV layer. It measures 1220×2800 mm, is 4 mm thick, and is 100% waterproof, anti-scratch and wear-resistant, with a B1 fire rating. Typical applications are bathrooms, kitchens, hotels and commercial spaces.

This is the panel in the group with an explicit 100% waterproof specification. At 4 mm it is the thinnest of the three, and it is a rigid stone-plastic composite rather than a flexible sheet — which means the surface it is fixed to has to be flat for the finished wall to read flat. The anti-scratch and wear-resistant properties matter in hotel bathrooms and commercial washrooms, where cleaning is frequent and abrasive.

LT-SW SPC stone plastic composite wall panel — 1220×2800 mm, 4 mm, 100% waterproof and anti-scratch, specified for hotel bathrooms and kitchens.

Four Decision Criteria That Actually Separate These Panels

1. Panel format and thickness

Two of the panels share the 1220×2800 mm format; one does not. That single difference changes how a project is handled. A 1220×2800 mm panel covers a large area per piece, which reduces the number of vertical and horizontal joints on a wide elevation — the reason large-format panels are preferred for feature walls and lobby faces. The trade-off is handling: large panels need two people, flat storage and a checked route into the building.

The 600×2900 mm LT-BC panel trades joint count for handling convenience, and its 2900 mm length exceeds the 2800 mm of the other two. Longer boards are an advantage on full-height walls and a constraint wherever the delivery route has height limits, so the vertical transport path should be checked before the format is locked.

Thickness should be read as design intent, not as a ranking. The LT-PM 3–8 mm range exists because the same marble-faced panel is used in different assemblies; the LT-SW 4 mm reflects a dense stone-plastic core in a large format; the LT-BC 9 mm reflects a narrower board intended for direct interior cladding. Comparing 4 mm to 9 mm without comparing core composition is not a meaningful comparison.

2. Substrate composition

The three cores are different materials. LT-PM combines PVC with CaCO₃ and a UV coating. LT-SW combines limestone powder with PVC and a UV layer. Both are mineral-filled PVC systems, which is why both are supplied in the same 1220×2800 mm format and both hold a dense, flat face. LT-BC uses bamboo charcoal fiber with PVC composite, a fiber-filled system supplied in a narrower board with 20+ color options.

For a buyer, the practical consequence is that surface behavior and weight distribution differ even when the finished appearance is comparable. It also explains why the bamboo charcoal panel is positioned for interior fit-out scenarios such as residential, hotel and children's rooms, while the mineral-filled panels are positioned for hotel, villa, commercial and wet-area interiors.

3. Fire performance and documentation

All three models carry a B1 fire rating in the LONGTE product data. For the LT-PM PVC marble wall panel the rating is backed by a Combustion Performance Test Report classified B1 under GB 8624-2012 (certificate BITFR202507063, issued by BITFR (Henan) Company Limited) alongside Product Test Report 231031181GZU-001.

The buyer's check is not whether the word B1 appears in a catalogue, but whether the report matches the exact model, thickness and market being specified. A B1 classification is a product-level result: the substrate, adhesive and fixing method used on site remain part of the wall assembly, and a project approval normally looks at the assembly rather than the panel alone.

4. Moisture performance

This is where the three panels separate most clearly. LT-SW is specified as 100% waterproof and is intended for bathrooms, kitchens, hotels and commercial spaces. LT-BC is specified as waterproof and formaldehyde-free. LT-PM, in the product data used for this comparison, is specified with a B1 fire rating, a density of 1.4–1.5 g/cm³ and interior decorative applications — it is not listed with a waterproof claim.

That difference should drive the plan, not be resolved on site. Wet zones go to LT-SW. Dry interiors where the surface stays visually prominent go to LT-BC or LT-PM depending on format and appearance. Specifying a decorative marble-faced panel into a shower enclosure because it looks right in a rendering is precisely the failure mode this comparison is meant to prevent.

Step-by-Step: Specifying the Three Panels by Zone

A workable sequence for a mixed project — for example a hotel with guest rooms, bathrooms, a lobby and back-of-house offices — runs in seven steps.

Step 1 — Divide the plan into three zone types. Wet zones (bathrooms, kitchens, washrooms), dry high-visibility zones (lobbies, reception desks, feature walls, villa interiors) and dry performance zones (guest rooms, corridors, offices, children's rooms). This division, not the design mood board, should decide the panel shortlist.

Step 2 — Assign LT-SW to the wet zones. The 1220×2800 mm, 4 mm SPC panel is the only one of the three with a 100% waterproof specification, and its anti-scratch and wear-resistant surface suits frequent cleaning.

Step 3 — Assign LT-BC to the dry performance zones. The 600×2900 mm, 9 mm bamboo charcoal panel is formaldehyde-free, waterproof and available in 20+ colors, which covers guest rooms, corridors, offices and children's rooms without a compliance compromise.

Step 4 — Assign LT-PM to the dry high-visibility zones. The 1220×2800 mm marble-faced panel in 3–8 mm delivers the large-format marble look with the fewest joints on lobby and feature walls, and its density supports a flat face across the full panel.

Step 5 — Verify B1 documentation per model. Request the fire test documentation for the exact model and thickness being ordered, and confirm it matches the market the project is being delivered into.

Step 6 — Check the handling route before locking formats. Confirm lift dimensions, door widths, stair turns and storage space against 1220×2800 mm and 600×2900 mm panels. Large-format panels reduce joints but demand a viable route and flat, protected storage; narrower panels are more forgiving but produce more joints on wide elevations.

Step 7 — Confirm accessories, warranty and lead time together. LONGTE's after-sales support includes free technical consultation, 24-hour WhatsApp response, installation video guides, claim handling within 7 days and a 5-year quality warranty on major products. For container-based bulk supply with a monthly reorder cycle, the stated lead time is 15–25 days, mixed containers are accepted, and support materials include display sample boards and a catalogue with 200+ designs.

Use Cases: Matching Panels to Interior Zones

Hotel projects

Hotel work is the clearest case for using all three panels in one building. Guest rooms and corridors are dry, high-touch interiors where the LT-BC bamboo charcoal panel fits the specification: formaldehyde-free, waterproof, B1 rated, 20+ colors, and explicitly designed for hotel scenarios. Hotel bathrooms are wet zones and belong to the LT-SW SPC panel with its 100% waterproof and anti-scratch surface. Lobby walls, reception faces and restaurant feature walls are dry high-visibility surfaces where the LT-PM PVC marble panel's 1220×2800 mm format and UV coated marble pattern reduce joint lines across a wide elevation.

Commercial and office interiors

Commercial spaces typically combine a public-facing front and a working back. Reception and meeting-room feature walls suit LT-PM for its large format and marble face; open work areas, corridors and back-of-house rooms suit LT-BC for its narrower board, easier handling and formaldehyde-free interior specification. Washrooms and pantry areas follow the wet-zone rule and go to LT-SW.

Residential and villa interiors

In residential work the zone split is simpler. Bedrooms, children's rooms and living areas take LT-BC, where the formaldehyde-free specification and 20+ color range matter more than panel width. Kitchens and bathrooms take LT-SW. Villa feature walls and entrance areas take LT-PM, where the 3–8 mm thickness range allows the same marble face to be used on different wall conditions within one project.

Distribution and stock-and-sell ranges

For distributors supplying contractors and small hotels, the three panels can be stocked as a matched range rather than three competing lines. Container-based bulk supply with monthly reorders, a 15–25 day lead time, mixed containers and a catalogue of 200+ designs allow a distributor to cover wet zones, dry interiors and feature walls without adding a second supplier for each material type. Inventory logic follows the same rule as project logic: depth in the fastest-moving interior panel, breadth across the other two.

Comparison Table: LT-PM vs LT-BC vs LT-SW

The table below uses only the published product data for the three models. Where a property is not stated in that data, it is marked as such rather than assumed.

LT-PM surface detail — the UV coated marble pattern is printed over a PVC and CaCO₃ core with a density of 1.4–1.5 g/cm³.

Frequently Asked Questions

Do LT-PM, LT-BC and LT-SW all carry a B1 fire rating?

Yes. All three models are listed with a B1 fire rating in the LONGTE product data. For the LT-PM PVC Marble Wall Panel, the rating is supported by a Combustion Performance Test Report classified B1 according to GB 8624-2012 under certification number BITFR202507063, issued by BITFR (Henan) Company Limited, together with Product Test Report 231031181GZU-001 applicable to the global market. A B1 result describes the panel itself; the substrate and fixing method remain part of the wall assembly that the project approves.

Can the three panels be used in the same building?

Yes, and that is how they are normally specified. Because the formats differ — 1220×2800 mm for LT-PM and LT-SW, 600×2900 mm for LT-BC — and because the documented use zones differ, a single hotel or commercial building can use LT-BC for guest rooms, corridors and offices, LT-SW for bathrooms and kitchens, and LT-PM for lobby and feature walls. The specification is built zone by zone rather than from a single panel choice.

How should a buyer think about budget across the three?

Public FOB China reference pricing for bamboo charcoal wood veneer wall panels was reported at USD 3–18 per m² in 2025, depending on material grade and thickness (AesthedgeWallPanel, SRC-004). The LT-PM and LT-SW models are not priced in the product data used for this comparison, so those two should be quoted against the actual specification — thickness within the LT-PM 3–8 mm range, panel size and surface finish all affect the quotation — rather than against a general category benchmark. Treating one published range as the price of all three would misprice the project in either direction.

Can samples be supplied before a bulk order?

Yes. LONGTE's distributor and project support includes display sample boards, a catalogue with 200+ designs and retail packaging, which is the practical way to compare the LT-PM marble face, the LT-BC color range and the LT-SW stone-plastic surface side by side before committing. After-sales support covers free technical consultation, 24-hour WhatsApp response and installation video guides. Sample and specification requests can be sent to halong105@hnhalong.com or +86 17757302351.

What lead time applies to a mixed-panel order?

For container-based bulk supply with a monthly reorder cycle, the stated lead time is 15–25 days, and mixed containers are accepted — which matters when a project needs LT-PM, LT-BC and LT-SW shipped together. On a mixed-zone project, it is worth confirming all three specifications in one inquiry rather than ordering them separately, so that sizes, thicknesses and colors are planned as a single delivery. Technical documentation, the sample range and the full product catalogue can be reviewed before that inquiry through the LONGTE catalogue at LT LongYuan catalogue.

Conclusion: Zone First, Panel Second

The choice between PVC marble, bamboo charcoal and SPC wall panels resolves itself once the question is rephrased from "which panel is best" to "which zone is this panel for". The LT-SW SPC panel at 1220×2800 mm and 4 mm is the wet-zone specification, with 100% waterproofing, anti-scratch and wear resistance. The LT-BC bamboo charcoal panel at 600×2900 mm and 9 mm is the interior fit-out specification, formaldehyde-free and waterproof, with 20+ colors and a narrower format that handles corridors and rooms more easily. The LT-PM PVC marble panel at 1220×2800 mm and 3–8 mm is the decorative specification, with a UV coated marble pattern and a 1.4–1.5 g/cm³ density that supports a flat face across a large format.

All three carry a B1 fire rating, and only one carries an explicit 100% waterproof claim. That single sentence already prevents most of the specification errors described at the start of this guide. The rest is handling: large-format panels reduce joints and demand a checked access route and flat storage; narrower panels are easier to move and produce more joints; thickness expresses design intent rather than a quality ranking.

A practical next step is to list the zones in the project, assign each zone to one of the three models, and request the matching specification sheets and fire documentation for the exact thicknesses being considered. Buyers working through this comparison with LONGTE can review the full range at www.ltpvcfactory.com, request samples and a quotation at halong105@hnhalong.com or +86 17757302351, or download the LONGTE product catalogue to compare panel formats, thickness ranges and color options before the next project meeting.

Request sample boards for LT-PM, LT-BC and LT-SW to compare panel format, surface and color before a bulk order.