What Is Hollow Plastic Formwork? Types, Sizes & Price Guide

Hollow Plastic Formwork Manufacturer in China

Lightweight | Reusable | Waterproof | Eco-Friendly Construction Formwork — Direct from factory with competitive wholesale pricing for global projects.

15+

Years Manufacturing

50+

Countries Exported

200Km²

Monthly Capacity

Direct from Our Production Base in Linyi, Shandong, China

Our 20,000 m² manufacturing facility in Linyi, Shandong operates with 8 extrusion lines capable of producing 200,000 m² of hollow plastic formwork per month. Every panel undergoes flatness testing, load simulation, and dimensional inspection before being stacked on pallets and prepared for container loading.

The warehouse images shown here reflect our standard inventory management practice — finished panels are sorted by thickness and size, stored on wooden pallets in a clean, dry environment, and wrapped for protection during sea freight. This ensures every shipment arrives at your destination port in the same condition it left our factory floor.

We maintain 3,000–5,000 m² of stock panels in standard sizes (1220×2440mm, 14mm/16mm thickness) for urgent orders, allowing us to ship within 7 working days for stock items and 15–20 days for custom production runs.

20,000m²

Factory Area

Extrusion Lines

5,000m²

Stock Available

7 Days

Stock Ship Time

What Is Hollow Plastic Formwork?

Hollow plastic formwork is an advanced construction shuttering system made from PP (polypropylene) and PVC composite materials with a hollow internal structure. The visible honeycomb core you see in the panel cross-section is not decorative — it is the engineering core that gives the panel its high strength-to-weight ratio, allowing it to handle concrete pressures of 60–80 kN/m² while weighing only 9–12 kg per square meter.

Unlike conventional wood formwork that absorbs moisture, warps, and deteriorates after limited use, hollow plastic formwork maintains dimensional stability under wet conditions and can be reused more than 50 times. This makes it a cost-effective choice for contractors managing multi-story residential buildings, commercial complexes, and large-scale infrastructure projects.

As a China-based hollow plastic formwork supplier, we produce panels that meet international construction standards while offering significant savings in material lifecycle costs, labor efficiency, and project timelines.

Replaces plywood and steel — reduces total formwork cost by 30–40%

No need for release agents — smooth concrete finish every time

Easy to cut, drill, and assemble on-site with standard tools

Cost Analysis

How Hollow Plastic Formwork Reduces Total Construction Costs

When procurement teams evaluate formwork options, the most common mistake is comparing only the upfront purchase price per square meter. This approach ignores the full lifecycle cost — which is where hollow plastic formwork delivers its most significant advantage over both plywood and steel alternatives.

The Hidden Costs of Plywood Formwork

A standard 18mm plywood panel costs approximately $8–12/m² at current market prices. However, plywood typically lasts only 4–8 pours before warping, delaminating, or absorbing too much moisture to produce an acceptable concrete finish. Over a project requiring 10,000 m² of total pouring area, a contractor may need to purchase plywood 3–4 times, bringing the effective material cost to $30–48/m² — before factoring in release agent, disposal, and additional plastering labor.

Where Hollow Plastic Formwork Saves Money

Our 14mm hollow plastic formwork is priced at $18–25/m² depending on order volume — higher than a single plywood sheet. But with 50+ reuse cycles, the per-pour cost drops to $0.36–0.50/m². Over the same 10,000 m² project, total material cost ranges from $3,600–5,000 compared to $30,000–48,000 for plywood. That is a material saving of 80–90%.

No release agent cost: PP surface is naturally non-stick, saving $0.30–0.50/m² per pour in chemical release agents
Reduced plastering: Smooth concrete finish eliminates or significantly reduces wall plastering, saving $3–6/m² in finishing labor
Lower transport cost: At 9–12 kg/m², a 40ft container holds 1,600–2,000 m² versus 800–1,000 m² for steel, cutting per-m² freight by nearly half
Less waste disposal: No used plywood to truck to landfill after every few pours
Faster cycle time: Lightweight panels reduce erection and stripping time by 30–40%, lowering daily labor costs

Real-World Calculation Example

For a 20-story residential building with 800 m² of wall and slab area per floor:

Plywood path: 16,000 m² total pouring × 3 replacements × $10/m² = $480,000 in plywood + $24,000 in release agent + $80,000 extra plastering = $584,000
Hollow plastic path: 2,500 m² panels (1.5x single-floor area for rotation) × $22/m² = $55,000 one-time + $0 in release agent + $0 in extra plastering = $55,000
Net saving: $529,000 on formwork materials alone for a single building

Request Your Project Cost Calculation

Parameter	Specification
Material	PP (Polypropylene) + PVC Composite
Standard Size	1220 × 2440 mm (4′ × 8′)
Available Thickness	12mm, 14mm, 16mm, 18mm
Weight (14mm)	9–10 kg/m²
Weight (16mm)	11–12 kg/m²
Load-Bearing Capacity	60–80 kN/m²
Reusable Cycles	50+ times (with proper handling)
Water Absorption	≤ 0.5%
Operating Temperature	-10°C to +70°C
Surface Finish	Smooth / Matte (non-stick, no release agent needed)
Core Structure	Honeycomb / Rectangular hollow cells
Color Options	Grey, Black, White, Blue (custom colors available)
Edge Treatment	PVC edge seal (optional) for impact protection
Fire Rating	B1 (self-extinguishing, non-dripping)
Recyclability	100% recyclable at end of life
Connection Method	Pin & wedge, corner pieces, U-wedges
Container Loading (40ft HC)	1,600–2,000 m² per container (depending on thickness)

Parameter

Specification

Material

PP (Polypropylene) + PVC Composite

Standard Size

1220 × 2440 mm (4′ × 8′)

Available Thickness

12mm, 14mm, 16mm, 18mm

Weight (14mm)

9–10 kg/m²

Weight (16mm)

11–12 kg/m²

Load-Bearing Capacity

60–80 kN/m²

Reusable Cycles

50+ times (with proper handling)

Water Absorption

≤ 0.5%

Operating Temperature

-10°C to +70°C

Surface Finish

Smooth / Matte (non-stick, no release agent needed)

Core Structure

Honeycomb / Rectangular hollow cells

Color Options

Grey, Black, White, Blue (custom colors available)

Edge Treatment

PVC edge seal (optional) for impact protection

Fire Rating

B1 (self-extinguishing, non-dripping)

Recyclability

100% recyclable at end of life

Connection Method

Pin & wedge, corner pieces, U-wedges

Container Loading (40ft HC)

1,600–2,000 m² per container (depending on thickness)

Feature	Hollow Plastic Best	Plywood	Steel
Reuse Cycles	50+ times	4–8 times	200+ times
Weight per m²	9–12 kg	8–12 kg	50–70 kg
Waterproof
Release Agent Needed	No	Yes	Yes
Easy to Cut & Drill
Surface Finish Quality	Smooth, no plastering	Rough, needs plastering	Smooth but with joint marks
Corrosion Resistant
Recyclable
Initial Cost per m²	$18–25	$8–12	$60–100
Cost per Pour (lifecycle)	$0.36–0.50	$3.75–12.00	$0.30–0.50
Container Loading (40ft)	1,600–2,000 m²	600–800 m²	800–1,000 m²
Best For	Residential, commercial, general	Small one-off projects	High-rise, heavy-duty

Feature

Hollow Plastic Best

Plywood

Steel

Reuse Cycles

50+ times

4–8 times

200+ times

Weight per m²

9–12 kg

8–12 kg

50–70 kg

Waterproof

Release Agent Needed

Yes

Easy to Cut & Drill

Surface Finish Quality

Smooth, no plastering

Rough, needs plastering

Smooth but with joint marks

Corrosion Resistant

Recyclable

Initial Cost per m²

$18–25

$8–12

$60–100

Cost per Pour (lifecycle)

$0.36–0.50

$3.75–12.00

$0.30–0.50

Container Loading (40ft)

1,600–2,000 m²

600–800 m²

800–1,000 m²

Best For

Residential, commercial, general

Small one-off projects

High-rise, heavy-duty

Hollow Plastic Formwork Manufacturer in China

Direct from Our Production Base in Linyi, Shandong, China