주식회사비앤비 B&B

Products

Admixtures for concrete construction - PC

Products

Admixtures for concrete construction - PC

Introduction PCE Superplasticizer

B&B Co., LTD is a raw material supplier for the construction chemical market that has developed POLYCARBOXYLATE ETHER in KOREA. It is a high performance concrete admixture such as water reduction, slump retention and workability by achieving ultimate compressive strength of concrete.
Also B&B Co.,LTD has preferential policies of partnership with customers to harmonize concrete technology.

Advantages

- Maintain the flow-ability of the concrete for a long time
- High slump & Excellent slump retention
- Higher strength concrete by reducing w/c ratio
- Reduction of labor and energy costs by high workability of concrete

Packaging

- ISO Tank
- Bulk supply(21MT/Flexi)
- 1,100KG/IBC
- 220KG/DRUM

Storage

Keep container closed when not in use. Do not store in direct sunlight and hot temperature. Keep them between 5°C and 40°C

Specification

Please scroll to the right to see the table.

Classification	BNB® PCE Grade	Specifications
Classification	BNB® PCE Grade	pH	Viscosity ( cps )	Solid content (%)	Specific gravity	Appearance
High range water reducing Superplasticizer	BFT-500SM	3.5 ± 0.5	Max. 500	50.0 ±1	1.10 ±0.05	Light Brown Liquid
	BFT-500SA	4.5 ± 0.5	Max. 500
	BFT-500SV	5.0 ± 0.5	Max. 500
Slump keeping superplasticizer with water reducing ability	BTW-500SM	3.5 ± 0.5	Max. 500
Slump keeping superplasticizer with water reducing ability	BTW-500SV	3.5 ± 0.5	Max. 500
Slump keeping Superplasticizer	BFW-500SM	3.5 ± 0.5	Max. 500
Slump keeping Superplasticizer	BFW-500SV	4.5 ± 0.5	Max. 500
High early strength Superplasticizer	BFS-500	4.0 ± 2.0	Max. 1000
Remarks		pH Meter	30rpm, 25℃ Spindle #2	105℃,2hr	20℃	Visual

BFT-500K (WATER REDUCING TYPE-POLYCARBOXYLIC COPOLYMER)

Introduction

BFT-500K is an acrylic acid type polycarboxylate based superplasticizer,
⁠which can display high Dispersion performance and slump retention time due to
⁠steric and electrostatic repulsion effects, which are part of polymer structures.
⁠ In addition, its excellent dispersion Retention time makes it possible to Transport
⁠long distance, adjust hardening Time, and manufacture excellent quality concrete
⁠suitable for construction sites.

Advantages

- Improve durability and manufacture high-strength concrete due to the decrease of unit quantity
- The quantity of cement used is lowered and the bleeding phenomenon of material Separation is decreased.
- Excellent workability and water tightness are secured.

Applications

- Bridges, high buildings and structures that require durability and high strength.
- SOC structures including LNG bases, high/subways, construction and tnnels.
- Concrete with high contents of fly ash, blast furnace slag or silica fume.
- Manufacture of prefabricated, precast and prestressed concrete.
- Manufacture of self-leveling concrete.

Packing

21 MT Flexi Tank / 220 kg Drum / 1.1 MT IBC Tank

Guidance

- Normally it can be used with 0.45 to 0.25 wt% of the cement.
- The best formulation should be made on site after completing enough tests
- It can be used with sodium-based lignin admixture and inorganic accelerating hardening agent

Caution

Do not allow product to freeze or be stored in temperature below Freezing.
If freezing occurs, contact the manufacturer representative.

Technical Services

B&B’s professional technicial service staff gives a definite answer to your
technicial questions and technicial assistance.
⁠
Tel : 031-377-7833 Fax : 031-376-9786 E-mail : bnbchem@hanmail.net

PHYSICAL PROPERTIES

Appearance	Brown liquid
Non-volatile (wt%)	50.0 ± 1.0
pH (Neat)	4.5 ± 1
Viscosity (cps/25℃)	Max. 700
Specific Gravity (20℃)	1.10 ± 0.05
Use	High range water reducing superplasticizer for ready mix concrete and precast concrete

MIX DESIGN

Please scroll to the right to see the table.

Strength	W/B (%)	S/a (%)	Unit Weight (kg/m3)						AD (20%) (CX %)
Strength	W/B (%)	S/a (%)	W	C	F/A	S/F	S	G	AD (20%) (CX %)
35MPa	38.3	45	167	371	65		789	972	0.7
60MPa	28.1	43.5	165	504	84		711	930	1.1
100MPa	19.6	35	154	700		84	525	983	1.6
S: Washed Sea Sand (S.G: 2.60), G: Crushed Gravel (S.G: 2.63), AD: BFT-500K (20% Solid Contents + 0.15% defoamer), F/A : Fly-ash, S/F : Silica fume

2. 실험결과

Please scroll to the right to see the table.

Item	Slump Flow (mm)			Air Content (%)		Compressive Strength (Mpa)
Item	Initial	30 min	60 min	Initial	60 min	3 days	7 days	28 days
BFT-500K	550	535	515	5	4.2	22.5	43.5	55.5

BFW-500SV (SLUMP RETENTION TYPE-POLYCARBOXYLIC COPOLYMER)

Introduction

BFW-500SV is an acrylic acid type polycarboxylate based superplasticizer, which can display high
⁠Dispersion performance and slump retention time due to steric and electrostatic repulsion effects,
⁠which are part of polymer structures.
⁠ In addition, its excellent dispersion Retention time makes it possible to Transport long distance,
⁠Adjust hardening Time, and manufacture excellent quality concrete suitable for construction sites.

Advantages

- Prevents slump loss of high strength concrete.
- Reduces the quantity of cement used and bleeding.
- Improves workability.
- Decreases heat of hydration and makes it possible to adjust cement setting and hardening time
- Makes it possible to transport long distances for a long period of time.
- Suitable for ready-mix concrete.

Applications

- Bridges, high buildings and structures that require durability and high strength.
- SOC structures including LNG bases, high/subways, construction and tunnels.
- Concrete with high contents of fly ash, blast furnace slag or silica fume.
- Manufacture of prefabricated, precast and presstressed concrete.
- Manufacture of self-leveling concrete.

Packing

21 MT Flexi Tank / 220 kg Drum / 1.1 MT IBC Tank

Guidance

Caution

Do not allow product to freeze or be stored in temperature below Freezing.
If freezing occurs, contact the manufacturer representative.

Technical Services

B&B’s professional technicial service staff gives a definite answer to your
technicial questions and technicial assistance.
⁠ Tel : 031-377-7833 Fax : 031-376-9786 E-mail : bnbchem@hanmail.net

PHYSICAL PROPERTIES

Appearance	Brown liquid
Non-volatile (wt%)	50.0 ± 1.0
pH (Neat)	4.5± 0.5
Viscosity (cps/25℃)	Max. 500
Specific Gravity (20℃)	1.10 ± 0.05
Use	Water reducing & Slump keeping superplasticizer for ready mix concrete and precast concrete

MIX DESIGN

Strength	W/B (%)	S/a (%)	Unit Weight (kg/㎥)					AD (B х wt.%)
Strength	W/B (%)	S/a (%)	W	C	F/A	S	G	AD (B х wt.%)
35MPa	38.3	45	167	371	65	789	972	0.7
60MPa	28.1	43.5	165	504	84	711	930	1.1
S: Washed Sea Sand (S.G: 2.60), G: Crushed Gravel (S.G: 2.63), AD: BFW-500SV (20% Solid Contents +defoamer)

Characteristic

Handling and Storage

* Non-flammable & non-toxic. When contacting with skin or clothing, wash with water.
* Keep containers closed when not in use.
* When frozen, it can be used after melting, but the function needs to be confirmed before use.
* Before use, please check and refer to MSDS.

Caution

* Non-flammable & Do not allow product to freeze or be stored in temperature below freezing. If freezing occurs, contact the manufacturer representative.

Application

Please scroll to the right to see the table.

Type	Grade	Application	Remark
High range water Reducing Superplasticizer	BFT-500SM	- High Flowing Concrete - Higher Water Reducibility - Higher Early Strength - Ready mix concrete - Precast Concrete and Manufactured Concrete Products	To improve concrete performance, we re commend that BFT Series or, BTW Series should be used with BFW-500 in the proper ratio.
High range water Reducing Superplasticizer	BFT-500K
Slump keeping superplasticizer with water reducing ability	BFW-500SM	- Higher Slump Retention - Not Sensitive at Temperature And Materials variation - Ready mix concrete
Slump keeping superplasticizer with water reducing ability	BFW-500SV
Slump keeping Superplasticizer	BFW-500SM	- Higher Slump/ Flow Retention Application - Not Sensitive at Temperature and Materials variation - Less Bleeding - Increases Segregation Resistance
Slump keeping Superplasticizer	BFW-500SV
Early Strength Superplasticizer	BFS-500	- Excellent Setting Under Low Temp - For Precast Concrete and Manufactured Concrete Products

Guidance

- Normally it can be used with 0.1 to 2.0 wt% of the cement. - The best formulation should be made on site after completing enough tests.. - It can be used with sodium-based lignin admixture and retarder, inorganic accelerating hardening agent.

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