NUMBER IN PARENTHESES IS SHIPPING WEIGHT

LEGEND:
1 = 1oz.
4 = 4oz.
8 = 8oz.
L = pound
5L = 5 pounds
P = pint
Q = quart
G = gallon

CALCIUM CARBONATE CaCO3

Akaline filler alters the pH of paper to counteract acidic environmental pollutants which can cause paper to deteriorate. An alkaline reserve of 2% above neutral (pH 7.0) - pH 8.0-9.0 is ideal for paper. Use 2-3% by weight to dry fiber. Retention aid improves adhesion. In larger quantities, Calcium Carbonate acts as a filler resulting in softer & more opaque paper which may improve printability; however, may weaken the paper. White powder.

CH-CALC - L $5.00 (1)
CH-CALC - 5L $20.00 (5.5)

CMC METHYL CELLULOSE

Sodium Carboxymethylcellulose
An internal strengthener. Stock solution: 5 tsp. per qt. room temperature water (25g / 1000ml). Stir constantly while adding the powder. 1/3 to 3/4 cups of stock solution per lb. dry fiber (35-78ml / 100g). Tan Powder.

CH-CMC - 4 $8.00 (.3)
CH-CMC - 8 $12.00 (.6)
CH-CMC - L $20.00 (1.1 )
CH-CMC - 5L $65.00 ( 5 )

DOW METHYL - Premium Grade Methocell A 4C

(Stronger than our CMC)
An internal strengthener, stiffener, adhesive or size. Dissolve 8 tsp. Methyl Cellulose into 1/2 cup boiling water. Stir until thoroughly wetted. Add 1 cup freezing cold water. Stir until smooth. Approx. 1/3 - 3/4 cup stock solution per 1 1/2 pounds dry fiber. White Powder.

CH-METHYL - 4 $10.95 (.3)
CH-METHYL - 8 $17.00 (.6)
CH-METHYL - L $28.50 (1.1)
CH-METHYL-5L $71.50 (5)

FORMATION AID

Essential for forming thin Oriental style papers, and to keep pulp painting bottles free flowing. PNS & PMP formation aids are a synthetic substitute for the tororo-aoi plant used traditionally in Nagashizuki / Oriental papermaking. When mixed, it turns pure water into a thick, slippery, stringy, viscous substance which acts to deflocculate, or separate, longer bast fibers and controls drainage during sheet formation. PMP is used under most conditions, where additives are present. PNS is used where no additives are present, or can be used to cause clumping of fibers & additives. 1/4 tsp. per qt. water (1g./1000ml). 1 gal. is enough for a small (15 gal.) vat. Formation aid has an indefinite shelf life in dry form, but should be used within a few weeks after mixing. Organic polymer acrylamide.

CH-PMP - 1 $6.50 (.1)
CH-PMP - 4 $20.00 (.3)
CH-PMP - 8 $35.00 (.6)
CH-PMP - L $57.50 (1)

CH-PNS - 1 $6.50 (.1)
CH-PNS - 4 $20.00 (.3)
CH-PNS - 8 $35.00 (.6)
CH-PNS - L $57.50 (1)

KAOLIN CLAY

A white papermaker's powdered clay, used a s a filler & opacifier; leaves paper with a smooth surface. Useful in paper casting to reduce shrinkage during drying. 3oz. dry Kaolin Clay per pound of dry pulp. White powder.

ch-clay-l $4.00 (1)
ch-clay-5l $7.50 (5.5)
ch-clay-10l $11.50 (11)

LIQUID SIZING

Hercon 70
An internal size used to make paper less absorbent and prevent ink & watercolor feathering and bleed. Neutral pH, showing very good archival characteristics. Use approx.: 8 tsp. per pound of dry pulp (9ml / 100g). Dissolve size in a pint of water. Add the size solution to the pulp during the last few minutes of the beating cycle (in a Hollander beater or other mixing device). Retains maximum effectiveness for at least 9 months. Alkyl ketene dimer emulsion. Refrigerate; subject to damage if frozen

CH-SIZE - P $5.50 (1.25)
CH-SIZE - Q $8.25 (2.5)
CH-SIZE - G $22.00 (9 )
CH-SIZE - 5G $67.50 (50)

PVA ADHESIVE

A water-soluble adhesive. Dries clear with a slight sheen. Considered archival; non-yellowing, this adhesive can be used for bookbinding or for collage. Please anticipate your needs: Subject to damage at freezing temperatures.

CH-GLUE-8 8 oz. $5.75 (.75)
CH-GLUE-P 1 pt. $8.25 (1.25)
CH-GLUE-Q 1 qt. $15.00 (2.5)
CH-GLUE-G 1 Gal. $42.00 (10)

RELICK GLUE

Indispensable for hand made envelopes. Relick glue is a remoistenable adhesive used by hand papermakers for stationery & other applications which require delaying activation of the glue. Apply with a brush or roller. Dilute with water. Store in a cool dry place. Subject to damage at freezing temperatures.

CH-RELICK-2 2 oz. $4.00 (.25)
CH-RELICK-8 8 oz. $9.00 (.75)
CH-RELICK-P 1 pt. $16.00 (1.5)

RETENTION AID # 292

Retention aids enable papermaking fibers to retain pigments, dyes, fillers (calcium carbonate, clays, etc.) & other additives. First, make a stock solution of #292: Approx. 1 tsp. powder per 32 fl.oz. water (5g/ 1000ml). Add 1 1/2 oz. to 4 1/2 oz. #292 stock solution per pound dry fiber (10-30ml / 100g). Or, a ratio of 2-3 / 1 stock solution to dispersed pigment. Each pigment has different requirements. For even dispersion, the stock solution must be diluted at least 10 times with water before it is added to the pulp. The mixed solution is best used within one or two days. Powder has an indefinite shelf life - for maximum potency, the fresher the better. Copolymer acrylamide.

CH-RET - 4 $6.15 (.3)
CH-RET - 8 $10.75 (.6)
CH-RET - L $19.95 (1 )
CH-RET - 5L $60.00 (5.5)

SODA ASH - SODIUM CARBONATE - Na2CO3

Soda Ash is the most common chemical used for cooking fibers and is less harsh in its effects than caustic soda. Soda Ash should be used at a ratio of 18 - 20 grams per 100 grams of dry fiber (or 1 tbs. per 1/4lb). After cooking, most fibers can be beaten by hand - try our Hand Beating Stick. Please exercise caution - wear protective gloves & goggles. See Plant Fibers for Papermaking.

CH-SODA - L $5.25 (1)
CH-SODA - 5L $20.95 (5.5)

SURFACE SIZE 700

Surface Size 700 is useful as a surface size & stiffener. Also used to help protect the dry paper's surface when left unframed or exposed. Surface Size 700 is readily soluble in water. Apply with sprayers, brushes, rollers or by dipping. We recommend 25% to 50% solutions, surface size to water to prevent surface sheen. When dipping in a size vat, concentrations less than 25% should be considered. Even lower concentrations are required when used with a starch. Excellent storage life - up to 24 months at room temperature. Neutral pH. Copolymer resin.

CH-SURFACE-p $10.00 (1.25)
CH-SURFACE-Q $15.00 (2.75)
CH-SURFACE-G $45.00 (10)
CH-SURFACE-5G $150.00 (52)

TITANIUM DIOXIDE TiTO2

Titanium Dioxide is used in paper as a white pigment, filler & as an opacifier. Because titanium dioxide is so bright, it can be used in smaller amounts than other brighteners, with less weakening of the paper. Start at 1-2% by weight of TiO2 to dry fiber: approx.: 1/2-1 tsp. per pound of dry fiber. Retention aid such as our #292 will help retain the TiO2 in the paper. Powder.

CH-TITAN - L $8.00 (1)

PIGMENTS

Formulated specifically for the coloring of paper pulp. Our pigmnets have been carefully selected for their coloring properties & excellent light fastness. Pigments are insoluble, finely ground particles which are deposited physically on the fiber. Unlike dyes, our pigments do not require use of a mordant nor do they need to be rinsed, so they are very easy to use. You will need our Retention Aid #292 to adhere the pigment to the fiber; without retention aid the colors will tend to run. **We recommend making color sample sheets and keeping accurate records so that you can reproduce desired colors. For invaluable information, see Elaine Koretsky's book Color for the Hand Papermaker. Method of Application: Amounts vary depending upon the pigment used; approximately 1 oz. of pigment per pound of dry fiber. To mix colors, we prefer to mix the colored pulps rather than mixing the pigments. *Pigments are subject to damage if frozen: we cannot insure against freezing in Winter shipments. Please order accordingly.

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COLOR FOR THE HAND PAPERMAKER
by Elaine Koretsky

The comprehensive book on coloring handmade paper. This photocopied manual comes with eleven aqueous dispersed color samples. A must have for pigmenting pulp! 46pp. 1990. (pb)

BO-COLOR $18.00 (.5)

PEARLESCENTS

Make your papers shimmer and sparkle with Pearlescent Pigments. Pearlescent Pigments are dry powdered pigments made from mica platelets coated with titanium dioxide and / or iron oxides. Pearlescents readily mix with any medium for surface treatments. All pearlescent pigments are transparent & have relatively low hiding power. Antique colors are designed to be mixed with non-antique pearlescents. Interference Colors (Hi-Lites) produce beautiful two tone color effects like butterfly wings. Use: For western pulps, pour 2 tablespoons of a stock solution of retention agent into 1 cup of water and stir well. Disperse 1 to 2 teaspoons of pearlescent powder in 1 cup of water and mix well. Add to the pulp and stir well. Add the diluted retention agent and mix thoroughly throughout the vat until the pearlescents are evenly dispersed. For Japanese fibers, dilute the pearlescents in 1 cup of water and add to a vat in which the PMP or other formation aid is already mixed. It is not necessary to add retention agent. Results are usually most impressive in thinner sheets. Pearlescents and metallics can be combined with dyed or pigmented pulps as well. When using them with added pigments, first complete the coloring including the retention agent and add the pearlescents or metallics.

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