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Pottery Plaster

Main reference values: > means greater than, < means less than

Category Product
name
Water-mixing
amount
(%)
Influx
time
(minutes)
Finish
time
(minutes)
Expansion
(%)
Strength(MPa) Applications Features
Wet
tension
Wet
compression
For
general-use
HS-600 56-60 8.5-10 35-47 <0.18 >1.4 >8.3 General spinning lathe Excellent moisture absorbency
Quick-drying plaster molds
Anti-pore-clogging
Good material removal from new molds
High moisture absorbency despite low water-mixing amount
HS-650
(Equivalent grade)
61-65 7.5-9.5 35-47 <0.18 >1.1 >7.4 General spinning lathe
Pressure casting
HS-700 66-70 7.5-9 32-44 <0.18 >1 >6.4 Pressure casting
HS-750
(Grade-A equivalent)
71-75 7-9 32-44 <0.18 >0.9 >5.9 General casting
For sand
match
prototype
molds
HS-700
Minimal expansion
66-70 7.5-9.5 32-44 <0.15 >1 >6.4 Sample molds Minimal expansion
Good workability
For cases High case 46-50 9 31-43 <0.1 >1.3 >10.8 Case molds
(Mainly for lathe molds)
Minimal expansion
Neutral
H23B 40 7 <50 <0.08 >1.4 >16.5 Case molds Minimal expansion, high-strength
Good workability
Neutral
ST cases 50-55 6.5-9 29-41 <0.08 >1.3 >10.8 Case molds Minimal expansion
Good workability
Alkaline
For wet
presses
C-100P 35 10 <60 <0.1 - - Wet presses
High-pressure casting
Minimal expansion
Good permeability
Outstanding durability
For special
casting
C-100 32 10 44 0.07-0.11 >2.4 >23.5 Special casting Outstanding durability
Good permeability
Mold drying unnecessary

Metal Casting Plaster

Main reference values: ≥ means greater than, ≤ means less than

Category Product
name
Water-mixing
amount
(%)
Stir
time
(minutes)
Finish
time
(minutes)
Final
expansion
(%)
Strength(MPa) Applications Features
Wet
tension
Wet
compression
Foamability G-1 80 Special stirring 30-40 <0.13 - - Tire mold making Good permeability
Good disintegration
Good heat retention
Non-foaming G-2 47-49 6 40-55 <0.12 >0.7 >3.6 Pâte de verre for generic prototype-making Good dimensional precision
Good casting surface smoothness
G-6 47-49 4 35-45 <0.12 >0.8 >3.9 Tire mold making Good dimensional precision
Good casting surface smoothness
For lost-wax
casting
T-6X 36-38 4 - <0.7 >0.3 >1.3 Generic prototype-making Good dimensional precision
Good casting surface smoothness
Easy removal from mold
Gift 40 3 - 0.5-0.9 >0.3 >2 Rings and other ornaments
Eyeglass components
Compatible with rapid heating
Good dimensional precision
Great casting surface smoothness

Plaster for Filler (Construction and civil engineering)

Main reference values

Type Product name Purity(%)
CaSO4
Median
diameter
(μm)
Usage characteristics Usage applications
Dihydrate
plaster
(CaSO4・2H2O)
Raw Plaster A - - Calcium sulfate component
Powder characteristics (e.g. feature modifications)
Filtration aid antibiotic medium
Filler for resins and paints, agrochemicals, incense, fertilizers, etc.
P52A 95 40
P52B 95 20
Hemihydrate
plaster
(CaSO4・1/2H2O)
P21A
(Alpha plaster)
95 25 Note 1: Moisture absorbency
Powder characteristics (e.g. feature modifications)
Calcium sulfate component
Hydration and hardening
Desiccant for resins and plastics
Filler for resins and plastics
Agrochemical carrier
Plaster board, plaster putty
Polishing fixative, and more
TA-85N
(Beta plaster)
95 10-25
SB
(Beta gypsum)
95 20
FT-2
(Beta gypsum)
95 20
Type-II anhydrous
plaster
(IICaSO4)
D-101A 95 20 Calcium sulfate component
Powder characteristics (e.g. feature modifications)
Additive for special cements
Filler for (heat-resistant) resins and paints, and more.
D-700 *1:85 15-30
Type-III anhydrous
plaster
(IIICaSO4)
D-1 *2:90 20 Note 2: Absorbency (desiccation)
Powder characteristics (e.g. feature modifications)
Desiccant for resins and paints
Filler for resins and paints, and more

Note 1: “Moisture absorbency” refers to the material’s ability to absorb moisture (water droplets).
Note 2: “Absorbency” (“desiccation”) refers to the material’s ability to absorb moisture from the air.

*1: II-CaSO4 is at least 95% pure CaSO4.
*2: III-CaSO4 is at least 95% pure CaSO4.

Calcium Sulfate (For use as a food additive)

Main reference values: ≥ means greater than, ≤ means less than

Type Product name 150 mesh
pass
Bulk
density
pH Packaging
(kg)
Applications Features
General-use Calcium sulfate B >93 0.8 6-7.5 25 Food additives
Beer for drinking
Water conditioner
Snow-white, high-purity
Calcium sulfate D >95 0.9 6-7.5 25
Calcium sulfate S >93 0.8 6-7.5 20
Calcium sulfate T >95 0.7 6-7.5 20
Calcium sulfate J >75 0.7 6-7.5 20
For tofu Nittosumashi powder >93 0.7 6-7.5 15 Food additive
Coagulating agent for tofu
Produces firm, delicious, flawless, snow-white tofu.

Tooling Plaster

Main reference values: ≥ means greater than, ≤ means less than *Measurements taken during drying.

Category Product
name
Water-mixing
amount
(%)
Stir
time
(minutes)
Finish
time
(minutes)
Final
expansion
(%)
Strength(MPa) Applications Features
Wet
tension
Wet
compression
Resin mixture B-10 25-27 5 55-72 <0.3 - *>23.5 Large precision plaster copies
Hollow shapes
Wax molds
Minimal expansion
Good strength and hardness
Alkaline
B-110 30-33 7 30-42 <0.12 - *>25 Small precision plaster copies
Hollow shapes
Good strength and hardness
Alkaline
B-11・B 10 37-49 <0.1 >1.27 >9.8 Special backup plaster Low-heat
Neutral
Low-heat
Neutral
For neutral
models
B-12 38-42 10 35-45 <0.12 >1.76 >13.7 For general models
Wax molds
High-strength
Neutral
Do not mix with alkalis
For
minimal-expansion
models
B-13 38-43 10 45-60 <0.06 >1.47 >11.8 Reverse models
Plaster copies
Minimal expansion
Standard
Alkaline
B-13R 38-43 7 32-42 <0.07 >1.76 >12.8 Reverse models
Plaster copies
Ideal for small models
Minimal expansion
Quick-setting
Alkaline
B-13TY 38-43 10 80-100 <0.06 >1.47 >11.8 Reverse models
Plaster copies
Ideal for small models
Minimal expansion
Quick-setting
Alkaline
B-13MS 48-52 7 32-42 <0.08 >1.67 >11.8 For plaster carving
Resin reverse models
Good workability
Alkaline
B-13MSZ 48-52 5 23-31 <0.1 >1.67 >11.8 For plaster carving
Resin reverse models
Good workability
Instant-setting
Alkaline

Orthopedic Plaster

Main reference values

Category Product
name
Water-mixing
amount
(%)
Stir
time
(minutes)
Mold
removal time
(minutes)
Final
expansion
(%)
Strength(MPa) Applications Features
Wet
tension
Wet
compression
For orthopedic
use
Orthopedic exsiccated plaster 70-72 6-8 25-35 0.23 1.2 7.3 For plastic surgery (powdered) Snow-white, high-strength

Miscellaneous Plaster

Main reference values: ≥ means greater than, ≤ means less than

Category Product
name
Water-mixing
amount
(%)
Stir
time
(minutes)
Mold removal
time
(minutes)
Final
expansion
(%)
Strength(MPa) Applications Features
Wet
tension
Wet
compression
For art
and
educational tools
For educational tools 71-77 6-8 - - - - For art, for educational tools Snow-white, high-strength
For grinding For grinding 66-70 7-9 17-23 <0.1 >0.7 >3.9 Optics glass
Grinding fixed
Minimal expansion
X plaster 70-76 6-8 <25 <0.1 - -

Related Products

Category Product
name
Packaging Units of
delivery
Applications Features
Silicone
rubber
(RTV)
NS-300 1kg 1 Plaster mold matrices, wax, and complex-shaped matrices made from resin, etc. Condensation type, minimal shrinkage
Soft
NS-570 1kg 1 Plaster mold matrices, hollow casting matrices Condensation type, minimal shrinkage
Good tensile strength
NS-1000 1kg 1 Plaster mold matrices, urethane flow matrices Condensation type, minimal shrinkage
Clay Leon Clay S 1kg 20 For plaster, for resin, for general use Spill prevention, clearance
Regular hardness
Leon Clay H 1kg 20 For plaster, for resin, for industrial use Spill prevention, clearance
Moderate hardness
Leon Clay D 1kg 20 For plaster, for resin, for precision use Spill prevention, clearance
High hardness
Mold-releasing
agent
Mold-releasing agent for plaster 900ml 1 For plaster (paraffin-based) Good mold-releasability
Potash soap S 18kg 1 For plaster Good mold-releasability
Additive
for surface
hardening
and
waterproof
sealing
N-Seal A (main agent) 1kg 1 For plaster Additive for increasing surface hardness and waterproof sealing
N-Seal B (solvent) 1kg 1
For Grand White Line 20kg 1 Lane lines for race tracks Safe and hygienic, low-polluting
Calcium carbonate

Synthetic Wood

Main reference values

Product
name
Size
(unit of delivery
and item weight)
Bulk
density
Porosity
(%)
Bending
strength
(kgf/cm2)
Temperature
tolerance
(°C)
Thermal
expansion
(%)
Applications Features
Pearl
board
520×1565×50mm
(2 sets per box, 47 kg)
0.6 60 120±10 150 ±0 For FRP and CFRP
Prepreg molding

NC processing materials

Hollow molds preparation
Good cutting capability, good chipping, lightweight, good dimensional precision, heat-tolerant, not subject to deterioration, rotting, or pest damage
1040×1565×50mm
(16 sheets, 752 kg)
Ace Lite AH 1040×1565×50mm
(16 sheets, 752 kg)
Good cutting capability, lightweight good dimensional precision, heat-tolerant, not subject to deterioration, rotting, or pest damage

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