An IMaterial object represents the material a block is made of.

It might be required for you to import the package if you encounter any issues, so better be safe than sorry and add the import.
import crafttweaker.block.IMaterial;

ZenGetter	ZenMethod	반환 타입
ZenGetter blocksLight	ZenMethod blocksLight()	반환 타입 bool
ZenGetter blocksMovement	ZenMethod blocksMovement()	반환 타입 bool
ZenGetter canBurn	ZenMethod getCanBurn()	반환 타입 bool
ZenGetter mobilityFlag	ZenMethod getMobilityFlag()	반환 타입 string
ZenGetter liquid	ZenMethod isLiquid()	반환 타입 bool
ZenGetter opaque	ZenMethod isOpaque()	반환 타입 bool
ZenGetter replaceable	ZenMethod isReplaceable()	반환 타입 bool
ZenGetter solid	ZenMethod isSolid()	반환 타입 bool
ZenGetter toolNotRequired	ZenMethod isToolNotRequired()	반환 타입 bool
ZenGetter ​	ZenMethod setReplaceable()	반환 타입 IMaterial

Uses an IMaterial.
Returns a bool.

ZenScript
 Copy
materialObj.matches(IMaterial other);

You can use these methods to get the vanilla minecraft materials

ZenScript
 Copy
crafttweaker.blocks.IMaterial.air();
crafttweaker.blocks.IMaterial.anvil();
crafttweaker.blocks.IMaterial.barrier();
crafttweaker.blocks.IMaterial.cactus();
crafttweaker.blocks.IMaterial.cake();
crafttweaker.blocks.IMaterial.carpet();
crafttweaker.blocks.IMaterial.circuits();
crafttweaker.blocks.IMaterial.clay();
crafttweaker.blocks.IMaterial.cloth();
crafttweaker.blocks.IMaterial.coral();
crafttweaker.blocks.IMaterial.craftedSnow();
crafttweaker.blocks.IMaterial.dragonEgg();
crafttweaker.blocks.IMaterial.fire();
crafttweaker.blocks.IMaterial.glass();
crafttweaker.blocks.IMaterial.gourd();
crafttweaker.blocks.IMaterial.grass();
crafttweaker.blocks.IMaterial.ground();
crafttweaker.blocks.IMaterial.ice();
crafttweaker.blocks.IMaterial.iron();
crafttweaker.blocks.IMaterial.lava();
crafttweaker.blocks.IMaterial.leaves();
crafttweaker.blocks.IMaterial.packedIce();
crafttweaker.blocks.IMaterial.piston();
crafttweaker.blocks.IMaterial.plants();
crafttweaker.blocks.IMaterial.portal();
crafttweaker.blocks.IMaterial.redstoneLight();
crafttweaker.blocks.IMaterial.rock();
crafttweaker.blocks.IMaterial.sand();
crafttweaker.blocks.IMaterial.snow();
crafttweaker.blocks.IMaterial.sponge();
crafttweaker.blocks.IMaterial.structureVoid();
crafttweaker.blocks.IMaterial.tnt();
crafttweaker.blocks.IMaterial.vine();
crafttweaker.blocks.IMaterial.water();
crafttweaker.blocks.IMaterial.web();
crafttweaker.blocks.IMaterial.wood();