Doill Ecotec Co., Ltd.
5 1

Wood Plastic Composite Compound

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Doill Ecotec Co., Ltd.
[Korea]

Address
4-23, Songsan-ro, 152beon-gil, Songsan-myeon, Hwaseong-si Gyeonggi-do
Phone
82-31-8152710
Contact name
Lee wonjae

Quick Information

  • Place of Origin: Korea

Description

What is Eco-Friendly & Green New
Material Wood-Plastic Composites?

Doill WPC(Wood-Plastic Composites) is a new eco-friendly material with pellet type(wood flour content : 30~70%), which is manufactured by special binding technique using natural wood flour and non-toxic olefin thermoplastic polymers(mainly PE, PP) in body, it is convenient for extrusion & injection moding with advanced woody feeling, excellent durability, excellent in water-proof, easy molding characteristics. Doill WPC is a eco-friendly material such as reducing CO2, biobased plastic material and recycled to 100%.

Characteristics of DOILL WPC

DOILL WPC are produced by the newest automation facilities in Germany with the best technical ability, therefore they are not needed drying apparatus of wood flour and mixing apparatus, so you can manufacture the best WPC products if you can do use.

They are eco-friendly new materials using natural wood flour & non-toxic polymers.
They have not contain harmful materials.(Heavy-Metals, Formaldehyde, VOCs)
They are exellent material properties(Mechanical, Physical) by special binding technique.
They are exellent in durability, water-proof, weatherability, etc.
They are exellent processing properties by very low moisture content(about 0.3%) and are lengthen the screw life because of non-carbonization marks.
They are stable under damages by blight and harmful insects.
They have no danger for fire from demerits of natural wood because of excellent flame-retardant characteristics. When they become fired, there is no generation of toxic gases like dioxine, etc.
They are stable under temperature changes.
They have a largely 50~60% flour content, however which are possible to 30~80% according to use.
They have a surface feeling and color, appearance like natural wood, which are available to diverse colors (Basic Colors : Beige, Gray, Red, Brown, Dark Brown, etc.)
They are ease to use because of pellet type and no contaminate in factory.
They are recyclable to 100%.

Application Resins & Use

Application Resin
Wood-Flour Contetn
USE
PP
PE
ABS
ASA
PS
SAN
PET G
PLA

30~50%
(FOR INJECTION)

40~80%
(FOR EXTRUSION)

General Construction Materials : Decks, Sidings, Louvers, Fences, Pillars, Dimension Lumbers, Sound-proof walls, Window Frames, Floors, Concrete Frames, etc.
Interior Materials : Furnitures (Desks, Chairs, Kitchen Furnitures, Beds), Ceilings, Bath Interior Materials, Flood Light Materials, Walls, Blinders, Verticals, Partitions, etc.
Industrial Products : Auto Parts, Packing Materials, Industrial Sheets, Mechanical Parts, etc.
Household Products : Food Vessels, Kichen Utensils, Dressing Cases, Sun-dry goods, Medical Equipments, etc.
Stationeries : Writing instruments excluded from Pencils, Office Supplies.
Foaming Products : Moldings, Frames, Furnitures, etc.
ETC : Indication Goods, Interior Goods, Equipments for leisure, Double-Extrusion Products, etc.


*Application Products of WPC by Injection & Exrusion

WPC Basic Color

**There are more colors than shown. If you need weatherability and functional products, we can also supply you with a special mixing treatment.
**There colors shown may be different with the real products.

Application Method of WPC

Extrusion Products

1) Fundamentally, extrusion facility for WPC have to be evaporated remained moisture and gas, therefore which have to exist the vent-up apparatus in twin extrusion facility.
They have a important role in matter and processing properties by gelling of raw materilas according to structure design of screw.

2) They are easily used, if they have to be pre-dried(Drying Temp : 80~100°C) for 2~3 hours before extrusion process to removal of remained moisture, and of pellet surface.

3) When they are processed, extrusion cylider and head temperature is different from according to the kinds of extrusion facility and raw materials. And when extrusion is processed in high temperature, the matter properties and screw life will be affected bad because of carbonization phenomenon.(DOILL WPC can be processed easily less than 10°C compared to the other companies)


Extrusion Molding Process

General conditions of extrusion process(PP, PE WPC) [unit : °C]

C1
C2
C3
C4
C5
C6
A
D1~D4
210~250
210~240
190~220
170~180
150~170
130~160
160~170
150~180
Note
1) In case of PE WPC, they are processed in low temperature than PP. (Refer to the above data.)
2) Processing temperature of parallel twin screw extrusion have to be more than average 10°C than conical twin screw extruder.
3) Load factor : average 50~60 (STD 100)
4) Processing temperature is changeable according to processing velocity.
5) The products are able to do the best qualities and matter properties if the raw materials, extrusion apparatus, molding state and processing conditions is perfect.
(supplying velocity of raw materials, velocity of extrusion operation, pressure, processing temperature, etc)
6) In case of processing, they are good in change of products if they have to be enough cooling down and keeping the horizontality. (The products have to be maintain level)

Application Method of WPC

Injection Products

1) They are easily used, if they have to be pre-dried(Drying Temp : 80~100°C) for 2~4 hours before injection process to removal of remained moisture, and of pellet surface

2) They are produced in proper conditions according to kinds of WPC products, (size, thickness) and synthetic resins.

3) They can be produced in good matter properties using low content products of wood flour because strength is low in thin thickness products.

4) They have to be controlled gate and nozzle.

Storage of WPC
- Stored in a good ventilation, low humidity place with sealed state because of moisture absorption.
- They should be used in a earlier time because of long period storage makes a possibility of moisture permeation.

Packing Unit of WPC
- 25KG Bag - 750KG Flecon Bag

Merits of WPC Products

Eco-friendly WPC are composed of natural wood flour and non-harmful raw materials in body, therefore they are stable and attribute the earth environment, which are green and epochal new materials with merits of lumbers & resins.

Characteristics of WPC Products

Classification
WPC
General Lumber
Plastic
WATER-PROOF AND ANTI-HUMIDITY
O
 
O
DIMENSINAL STABILITY
O
O
O
MOTHPROOF
O
 
O
DURABILITY
O
 
O
IMPACT RESISTANCE
O
 
O
MAINTENANCE
O
 
O
NO HARMFUL MATERIALS
O
 
O
SLIP RESISTANCE
O
O
 
WEATHERABILITY
O
O
 
PROCESSING EASINESS
O
O
 
FEEL AND COLOR OF LUMBERS
O
O
 

Approved Value & Results of WPC

Test Items
Unit
Approved Value
(KS F 3230:2011)
Results
Specific Gravity
-
0.8~1.5
 
None
Maximum bending load
N
H, H-T
MORE THAN 3000
"
S, S-T
MORE THAN 3400
"
Flexural Creep Strain
%
H, H-T
LESS THAN 0.2
"
S, S-T
LESS THAN 0.25
"
Impact resistance
Room temp.
-
No Defects
"
Low temp.
-
No Defects
"
Impact Test (charpy)
kJ/m2
MORE THAN 3.0
"
Warping
%
LESS THAN 2.0
"
Maintenance force of screw
N
H, H-T
MORE THAN 400
"
S, S-T
MORE THAN 780
"
Slip Resistance
C.S.R
MORE THAN 0.40
"
Water absorption
Weigth change
%
LESS THAN 8.0
"
Freezing and Thawing
Maximum bending load change
%
MORE THAN 90
"
Coefficient of Linear Thermal Expansion
1/°C
S-T, H-T
Below 3.0 x 10-5)
"
S, H
Below 6.0 x 10-5)
"
Weatherability
Impact change
%
MORE THAN 80
"
Contents of Harmful
Materials
AS
mg/L
LESS THAN 0.1
"
Cd
mg/L
LESS THAN 0.1
"
Cr
mg/L
LESS THAN 0.1
"
Pb
mg/L
LESS THAN 0.1
"
Hg
mg/L
LESS THAN 0.005
"
Formaldehyde Emission
mg/L
LESS THAN 1.5
"
Flame-resistance test
Carbonized length
cn
LESS THAN 20
"
 
Remaining Time of flame
sec
LESS THAN 10 seconds
"

Approved Value & Results of WPC

WOODY PATTERN MASTER BATCH

Woody pattern Master Batches are functional colorants with woody pattern products if you can use in extrusion & injection, which are pellet type by mixed and concentrated the special diverse synthetic resins(PVC, ABS, ASA,PS,PE,etc), additives, colorants. Therefore, they are expressed natural woody pattern and advanced natural feeling like material lumbers if you can use. They are also possible to co-extrusion, especially you can feel natural fragrances if you can use with natural wood flour.

Use : Woody Pattern Effect of Window Frames, Door Frames, Doors, Sound-proof Walls, Moldings, Floors, Furnitures, Stationery Goods, Equipments for Leisure, etc.

MIXED PIGMENTS FOR WPC

When WPC are produced, they are used in easily without special colormatching and measuring quantity process by supplying mixed pigments with additives which are adjusted in client’s demand according to colors, kinds of resins and mechanical properties in case of direct mixing.


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