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SPI Plastic Container Coding System
SPI Plastic Container Coding System
SPI Plastic Container Coding System
SPI Plastic Container Coding System
ALLOY
Terms in plastics used to describe a blend of polymers with other polymers or copolymers, usually where the properties of the alloy exceed those of the constituents (see Synergism). SOURCE: Canadian Plastics Industry Association
Mais »ADDITIVE
Any substance compounded into resin to modify its properties. Additives can be antioxidants, colorants, pigments, light stabilizers, etc. SOURCE: Canadian Plastics Industry Association
Mais »ACRYLIC
A synthetic resin of acrylic or methacrylic esters. Methacrylates are usually methyl, ethyl, butyl, lauryl or stearyl. Acrylics are widely known for their clarity properties. SOURCE: Canadian Plastics Industry Association
Mais »ACETATE
A derivative of acetic acid. SOURCE: Canadian Plastics Industry Association
Mais »ACETAL
Rigid thermoplastic produced by the reaction of purified formaldehyde. Molecular structure is linear acetal with unbranched polyoxymethylene chains. SOURCE: Canadian Plastics Industry Association
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