Page 68 - Maeve Whelan

STEP 4: PAINTED BROWN POSTER PAINT AND WIPED AWAY
STEP 2: PRIME TEMPLATES EXCESS FOR GRAIN EFFECT

STEP 1: FORM THE TEMPLATES
STEP 3: SPRAYED TEMPLATE WITH IVORY SILK

Birch Wood Manufacturing

Methods of treatment of silicone rubbers are

categorized as high-temperature curing Birch trees are members of the Betula The success of wood manufacturing rests on the mill’s ability
process (HTV) and low-temperature curing family and grow abundantly in North to retain the wood’s quality throughout the manufacturing
process.
process (RTV) based on the types of polymer America. Birch wood is typically creamy

used. Depending on the specifications of the white in the sap wood and then golden •Edging: Removing irregular edges and defects from sawn
finished product, the manufacture of silicon brown in the core stock. Paper birch is pieces.
rubber is done in different ways. Some of these dominated by sapwood with small brown

production methods include injection molding knotty hearts running down the middle, •Trimming: The trimmer squares off the ends of lumber into

AND extrusion. while yellow birch is typically a larger uniform pieces based on market dimensions.
diameter tree with a significant amount of

•Extrusion is a manufacturing process designed golden brown in the center. •Rough Lumber Sorting: Pieces are segregated based on
to shape a silicon rubber product by the use of dimension and final product production: unseasoned (known as

a die. As far as hardwoods are concerned, Birch green), or dry.
is easy to use and fairly priced, making it a

•During the process, the raw materials (silicon, perfect craft wood. Birch is a solid, hard •Stickering: Lumber destined for dry production is stacked
with spacers (known as stickers) that allow air to circulate
rubber, catalyst, binders, among other and heavy birch with a good shock within the stack. (Green product skips this stage).
additives) are fed into the extruder at high resistance. Birch is easy to use with power

temperatures coupled with the spinning motion tools. •Drying: Lumber is kiln-dried to facilitate natural MC
of the screw. EXAMPLES evaporation.
Wood is made, turned and shaped to

•The material is then forced through die of a produce toys, tongue depressors, •Planning: Smoothing the surface of each lumber piece and

given form before the post-curing process. toothpicks, paper pulp and high-end making its width and thickness uniform.
furniture. In addition, the birch keeps the

•The finished product is then cleaned, cooled screws and nails firmly and sticks easily. •Grading: The process of assessing the characteristics of
and cut to the required sizes. each lumber piece in order to assign its “grade” (quality).